{"id":10230,"date":"2026-01-26T15:52:15","date_gmt":"2026-01-26T14:52:15","guid":{"rendered":"https:\/\/frischluftmanager.com\/retrofit\/"},"modified":"2026-01-26T17:01:38","modified_gmt":"2026-01-26T16:01:38","slug":"retrofit-en","status":"publish","type":"page","link":"https:\/\/frischluftmanager.com\/en\/retrofit-en\/","title":{"rendered":"RetroFit+"},"content":{"rendered":"<div id='av-layout-grid-1'  class='av-layout-grid-container av-353ev1z-a0dca74264b7374a2d0db2eb9d2e30aa entry-content-wrapper main_color av-flex-cells  avia-builder-el-0  el_before_av_section  avia-builder-el-first  av-cell-min-height av-cell-min-height-75  container_wrap fullsize'   data-av_minimum_height_pc='75'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mkv7z0bd-e3b8b2c893fe117253c80a51c29915ef\">\n.flex_cell.av-mkv7z0bd-e3b8b2c893fe117253c80a51c29915ef{\nvertical-align:top;\nbackground:url(https:\/\/frischluftmanager.com\/wp-content\/uploads\/2026\/01\/yoga-frau3.jpg) 0% 0% no-repeat scroll ;\n}\n<\/style>\n<div class='flex_cell av-mkv7z0bd-e3b8b2c893fe117253c80a51c29915ef av-gridrow-cell av_one_full no_margin  avia-builder-el-1  avia-builder-el-no-sibling  content-align-top avia-full-stretch'  ><div class='flex_cell_inner'><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-v7zd13r-fa1cbc14d81ec7309121be4c779b2891\">\n#top .hr.hr-invisible.av-v7zd13r-fa1cbc14d81ec7309121be4c779b2891{\nheight:150px;\n}\n<\/style>\n<div  class='hr av-v7zd13r-fa1cbc14d81ec7309121be4c779b2891 hr-invisible  avia-builder-el-2  el_before_av_hr  avia-builder-el-first  av-small-hide av-mini-hide'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-31us1nb-7a42d64e2e2b86efdc0223ce8f305e57\">\n#top .hr.hr-invisible.av-31us1nb-7a42d64e2e2b86efdc0223ce8f305e57{\nheight:300px;\n}\n<\/style>\n<div  class='hr av-31us1nb-7a42d64e2e2b86efdc0223ce8f305e57 hr-invisible  avia-builder-el-3  el_after_av_hr  el_before_av_one_fourth  av-desktop-hide av-medium-hide'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<div  class='flex_column av-u6suavr-881e369f17b81d9234b5076c12237577 av_one_fourth  avia-builder-el-4  el_after_av_hr  el_before_av_three_fifth  first flex_column_div  '     ><\/div><div  class='flex_column av-tsfgm6v-769c134d2e4fd4f46254454afeaea81c av_three_fifth  avia-builder-el-5  el_after_av_one_fourth  avia-builder-el-last  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-t6c1hzr-a97aaf4229e19c9dcc38b3f6030c1bca\">\n#top .av-special-heading.av-t6c1hzr-a97aaf4229e19c9dcc38b3f6030c1bca{\npadding-bottom:10px;\ncolor:#ffffff;\n}\nbody .av-special-heading.av-t6c1hzr-a97aaf4229e19c9dcc38b3f6030c1bca .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-t6c1hzr-a97aaf4229e19c9dcc38b3f6030c1bca .special-heading-inner-border{\nborder-color:#ffffff;\n}\n.av-special-heading.av-t6c1hzr-a97aaf4229e19c9dcc38b3f6030c1bca .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-t6c1hzr-a97aaf4229e19c9dcc38b3f6030c1bca av-special-heading-h1 custom-color-heading  avia-builder-el-6  el_before_av_textblock  avia-builder-el-first '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >RetroFit+<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ssi8z3r-398ecf5442aadfaf1daf0fbedd83336f\">\n#top .av_textblock_section.av-ssi8z3r-398ecf5442aadfaf1daf0fbedd83336f .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-ssi8z3r-398ecf5442aadfaf1daf0fbedd83336f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h2 style=\"font-weight: 400;\">Modernize instead of buying completely new.<\/h2>\n<p style=\"font-weight: 400;\">RetroFit+ modernizes existing ventilation units in line with requirements and is future-proof &#8211; without the need for a complete new purchase or long downtimes.<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-s9lk36f-177e4346f40438892db87d2c5cc97bd7-wrap avia-button-left  avia-builder-el-8  el_after_av_textblock  avia-builder-el-last '><a href='https:\/\/frischluftmanager.com\/en\/contact\/'  class='avia-button av-s9lk36f-177e4346f40438892db87d2c5cc97bd7 av-link-btn avia-icon_select-no avia-size-x-large avia-position-left avia-color-theme-color'   aria-label=\"Request advice\"><span class='avia_iconbox_title' >Request advice<\/span><\/a><\/div><\/p><\/div><\/p>\n<\/div><\/div><\/div><div id='av_section_1'  class='avia-section av-s0end5j-e538b83cb39ce706a8dadf00fcae7034 main_color avia-section-huge avia-no-border-styling  avia-builder-el-9  el_after_av_layout_row  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-10230'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-rh9z9pz-dcd2db2a828826c71d40fd63716c5c23 av_one_half  avia-builder-el-10  el_before_av_one_half  avia-builder-el-first  first flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2oqrl93-2627c044f97aabaec071d03f8000653d\">\n#top .av-special-heading.av-2oqrl93-2627c044f97aabaec071d03f8000653d{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-2oqrl93-2627c044f97aabaec071d03f8000653d .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-2oqrl93-2627c044f97aabaec071d03f8000653d .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-2oqrl93-2627c044f97aabaec071d03f8000653d av-special-heading-h2  avia-builder-el-11  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Why replacing existing ventilation units can be expensive and problematic.<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-qj8cbsn-fe807b497ff65b8e48c530c694ce865a '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"font-weight: 400;\">Existing ventilation units need to be replaced regularly because they are no longer fit for purpose in technical, energy or regulatory terms. However, the complete replacement brings new problems with it.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-2l3q307-8d26cd87de589131c3df1f7e98bd4101 av_one_half  avia-builder-el-13  el_after_av_one_half  avia-builder-el-last  flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ppoj03b-15d8cbee1d60bdd83e67d0e42d36783b\">\n#top .avia-icon-list-container.av-ppoj03b-15d8cbee1d60bdd83e67d0e42d36783b .iconlist_icon{\ncolor:#0a8dd3;\nbackground-color:#ffffff;\n}\n#top .avia-icon-list-container.av-ppoj03b-15d8cbee1d60bdd83e67d0e42d36783b .iconlist_icon svg:first-child{\nstroke:#0a8dd3;\nfill:#0a8dd3;\n}\n<\/style>\n<div  class='avia-icon-list-container av-ppoj03b-15d8cbee1d60bdd83e67d0e42d36783b  avia-builder-el-14  avia-builder-el-no-sibling '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-ppoj03b-15d8cbee1d60bdd83e67d0e42d36783b avia-iconlist-animate'>\n<li><div class='iconlist_icon av-p55o2d3-2e738ea144f80d40d5799385e9f27f98 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='right-open' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"11\" height=\"32\" viewBox=\"0 0 11 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-2' aria-describedby='av-svg-desc-2' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-2'>Right-open<\/title>\n<desc id='av-svg-desc-2'>Right-open<\/desc>\n<path d=\"M3.136 7.168l7.232 7.552q0.512 0.512 0.512 1.28 0 0.704-0.512 1.216l-7.232 7.552q-0.512 0.512-1.28 0.512t-1.28-0.512q-1.152-1.152 0-2.56l5.952-6.208-5.952-6.272q-1.152-1.408 0-2.56 0.512-0.512 1.312-0.512t1.248 0.512z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Technical condition and conformity of the device\"><h3 class='av_iconlist_title iconlist_title  '  itemprop=\"headline\" >Technical condition and conformity of the device<\/h3><\/header><div class='iconlist_content '  itemprop=\"text\" ><ul>\n<li>Ventilation unit is too old<\/li>\n<li>No longer meets legal requirements or standards<\/li>\n<li>Device is defective<\/li>\n<li>Prone to failures<\/li>\n<li>Repairs take a long time<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-og5xszb-a44efa2860ad3e9457e259cbcda84625 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='right-open' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"11\" height=\"32\" viewBox=\"0 0 11 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-3' aria-describedby='av-svg-desc-3' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-3'>Right-open<\/title>\n<desc id='av-svg-desc-3'>Right-open<\/desc>\n<path d=\"M3.136 7.168l7.232 7.552q0.512 0.512 0.512 1.28 0 0.704-0.512 1.216l-7.232 7.552q-0.512 0.512-1.28 0.512t-1.28-0.512q-1.152-1.152 0-2.56l5.952-6.208-5.952-6.272q-1.152-1.408 0-2.56 0.512-0.512 1.312-0.512t1.248 0.512z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Energy efficiency and operating costs\"><h3 class='av_iconlist_title iconlist_title  '  itemprop=\"headline\" >Energy efficiency and operating costs<\/h3><\/header><div class='iconlist_content '  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>High energy consumption<\/li>\n<li>System is a power guzzler<\/li>\n<li>High maintenance costs<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-o52i387-3bb804cc656b12828b254cf7c4ad507e avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='right-open' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"11\" height=\"32\" viewBox=\"0 0 11 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-4' aria-describedby='av-svg-desc-4' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-4'>Right-open<\/title>\n<desc id='av-svg-desc-4'>Right-open<\/desc>\n<path d=\"M3.136 7.168l7.232 7.552q0.512 0.512 0.512 1.28 0 0.704-0.512 1.216l-7.232 7.552q-0.512 0.512-1.28 0.512t-1.28-0.512q-1.152-1.152 0-2.56l5.952-6.208-5.952-6.272q-1.152-1.408 0-2.56 0.512-0.512 1.312-0.512t1.248 0.512z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: System and future viability\"><h3 class='av_iconlist_title iconlist_title  '  itemprop=\"headline\" >System and future viability<\/h3><\/header><div class='iconlist_content '  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>Device cannot be connected to current building technology<\/li>\n<li>Missing digital interfaces<\/li>\n<li>Device is not future-proof<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-nnyeqfr-7e3be7a9b18f67e27f465e2e01b6f26f avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='right-open' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"11\" height=\"32\" viewBox=\"0 0 11 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-5' aria-describedby='av-svg-desc-5' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-5'>Right-open<\/title>\n<desc id='av-svg-desc-5'>Right-open<\/desc>\n<path d=\"M3.136 7.168l7.232 7.552q0.512 0.512 0.512 1.28 0 0.704-0.512 1.216l-7.232 7.552q-0.512 0.512-1.28 0.512t-1.28-0.512q-1.152-1.152 0-2.56l5.952-6.208-5.952-6.272q-1.152-1.408 0-2.56 0.512-0.512 1.312-0.512t1.248 0.512z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Problems with replacement\"><h3 class='av_iconlist_title iconlist_title  '  itemprop=\"headline\" >Problems with replacement<\/h3><\/header><div class='iconlist_content '  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>New ventilation unit does not fit into the structural conditions<\/li>\n<li>New device is too expensive<\/li>\n<li>With the new device, the entire system must be adapted<\/li>\n<li>Replacement takes too long and operation remains at a standstill<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-n9lx75j-a8eacc6b2558e86ad082b253127c613d avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='right-open' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"11\" height=\"32\" viewBox=\"0 0 11 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-6' aria-describedby='av-svg-desc-6' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-6'>Right-open<\/title>\n<desc id='av-svg-desc-6'>Right-open<\/desc>\n<path d=\"M3.136 7.168l7.232 7.552q0.512 0.512 0.512 1.28 0 0.704-0.512 1.216l-7.232 7.552q-0.512 0.512-1.28 0.512t-1.28-0.512q-1.152-1.152 0-2.56l5.952-6.208-5.952-6.272q-1.152-1.408 0-2.56 0.512-0.512 1.312-0.512t1.248 0.512z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Effects on operation and use\"><h3 class='av_iconlist_title iconlist_title  '  itemprop=\"headline\" >Effects on operation and use<\/h3><\/header><div class='iconlist_content '  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>High downtimes and restrictions on ongoing operations<\/li>\n<li>High dependency on repairs and spare parts<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/div>\n<\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mwhullj-5e71b04c5e43320779758303284bf520\">\n.avia-section.av-mwhullj-5e71b04c5e43320779758303284bf520{\nbackground-color:#0a8dd3;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_2'  class='avia-section av-mwhullj-5e71b04c5e43320779758303284bf520 main_color avia-section-huge avia-no-border-styling  avia-builder-el-15  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-10230'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-mc5npuf-0af331847281b6f94a1a4c6662ede209 av_two_third  avia-builder-el-16  el_before_av_one_half  avia-builder-el-first  first flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lysprdj-ace635b1ec5072f4ede977f79ddcdcdb\">\n#top .av-special-heading.av-lysprdj-ace635b1ec5072f4ede977f79ddcdcdb{\npadding-bottom:10px;\ncolor:#ffffff;\n}\nbody .av-special-heading.av-lysprdj-ace635b1ec5072f4ede977f79ddcdcdb .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lysprdj-ace635b1ec5072f4ede977f79ddcdcdb .special-heading-inner-border{\nborder-color:#ffffff;\n}\n.av-special-heading.av-lysprdj-ace635b1ec5072f4ede977f79ddcdcdb .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lysprdj-ace635b1ec5072f4ede977f79ddcdcdb av-special-heading-h2 custom-color-heading  avia-builder-el-17  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >What RetroFit+ does<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc2jvvb-7eb5adc5f76d450d2697bc27c6248777\">\n#top .av_textblock_section.av-lc2jvvb-7eb5adc5f76d450d2697bc27c6248777 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-lc2jvvb-7eb5adc5f76d450d2697bc27c6248777 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"font-weight: 400;\">RetroFit+ systematically modernizes existing ventilation units &#8211; from analysis to commissioning.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-kv4h0af-228cae5af121911d6a35ac9af38818ab av_one_half  avia-builder-el-19  el_after_av_two_third  el_before_av_one_half  first flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kegoxh3-fbf2427093fa18cf9ac6e919326fedff\">\n#top .avia-icon-list-container.av-kegoxh3-fbf2427093fa18cf9ac6e919326fedff .iconlist_icon{\ncolor:#bad531;\nbackground-color:#ffffff;\n}\n#top .avia-icon-list-container.av-kegoxh3-fbf2427093fa18cf9ac6e919326fedff .iconlist_icon svg:first-child{\nstroke:#bad531;\nfill:#bad531;\n}\n#top #wrap_all .avia-icon-list-container.av-kegoxh3-fbf2427093fa18cf9ac6e919326fedff .av_iconlist_title{\ncolor:#ffffff;\n}\n.avia-icon-list-container.av-kegoxh3-fbf2427093fa18cf9ac6e919326fedff .iconlist_content{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-icon-list-container av-kegoxh3-fbf2427093fa18cf9ac6e919326fedff  avia-builder-el-20  avia-builder-el-no-sibling '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-kegoxh3-fbf2427093fa18cf9ac6e919326fedff avia-iconlist-animate'>\n<li><div class='iconlist_icon av-k66y1uf-21abdc863d0d174a3d6d7ff3f95c5321 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-7' aria-describedby='av-svg-desc-7' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-7'>Check<\/title>\n<desc id='av-svg-desc-7'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Analysis and planning\"><h3 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Analysis and planning<\/h3><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>On-site inspection of the devices with complete data acquisition<\/li>\n<li>Air and power measurements incl.:\n<ul>\n<li>Static pressure increase<\/li>\n<li>Electrical power consumption<\/li>\n<li>External duct pressure<\/li>\n<li>Checking V-belts and seals<\/li>\n<li>Volume flow measurement according to DIN 12599<\/li>\n<li>Recording the internal dimensions of the fan chamber incl. interfering contours<\/li>\n<\/ul>\n<\/li>\n<li>Measurement report with design of new fans or fan grids<\/li>\n<li>Profitability analysis including amortization calculation<\/li>\n<li>Customer interview and checklist for the needs analysis<\/li>\n<li>Development of a modernization concept<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-jif7q2f-2c230ff1a57f9fafad946bb826e1e086 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-8' aria-describedby='av-svg-desc-8' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-8'>Check<\/title>\n<desc id='av-svg-desc-8'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Technical design and components\"><h3 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Technical design and components<\/h3><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>Use of direct-driven EC fans:\n<ul>\n<li>Electronic motor protection<\/li>\n<li>Operating and fault message<\/li>\n<li>Analog input 0-10 V<\/li>\n<li>MODBUS interface for control and data acquisition<\/li>\n<\/ul>\n<\/li>\n<li>Pressure bulkhead made of galvanized 3 mm material, adapted to the system<\/li>\n<li>Switch cabinet per air direction:\n<ul>\n<li>MODBUS display and control unit<\/li>\n<li>Individual fuse, operating light, internal bus cabling<\/li>\n<li>Integration into existing supply lines up to 4\u00d720 mm\u00b2<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/div><div  class='flex_column av-1wlwyxj-e0a344de1d1a8da7c76bc01822235dc7 av_one_half  avia-builder-el-21  el_after_av_one_half  avia-builder-el-last  flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-inpfc7r-5196cbb4a38a2b0d6f43faebbbe8263e\">\n#top .avia-icon-list-container.av-inpfc7r-5196cbb4a38a2b0d6f43faebbbe8263e .iconlist_icon{\ncolor:#bad531;\nbackground-color:#ffffff;\n}\n#top .avia-icon-list-container.av-inpfc7r-5196cbb4a38a2b0d6f43faebbbe8263e .iconlist_icon svg:first-child{\nstroke:#bad531;\nfill:#bad531;\n}\n#top #wrap_all .avia-icon-list-container.av-inpfc7r-5196cbb4a38a2b0d6f43faebbbe8263e .av_iconlist_title{\ncolor:#ffffff;\n}\n.avia-icon-list-container.av-inpfc7r-5196cbb4a38a2b0d6f43faebbbe8263e .iconlist_content{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-icon-list-container av-inpfc7r-5196cbb4a38a2b0d6f43faebbbe8263e  avia-builder-el-22  avia-builder-el-no-sibling '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-inpfc7r-5196cbb4a38a2b0d6f43faebbbe8263e avia-iconlist-animate'>\n<li><div class='iconlist_icon av-i5oepo7-97eff732958cd307f4bd7c93737cf528 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-9' aria-describedby='av-svg-desc-9' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-9'>Check<\/title>\n<desc id='av-svg-desc-9'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Installation and commissioning\"><h3 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Installation and commissioning<\/h3><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>Dismantling and professional disposal of old fans<\/li>\n<li>Hygienic closure of the openings<\/li>\n<li>Mounting the fan wall with fans<\/li>\n<li>Installation of volume flow and differential pressure measurement<\/li>\n<li>Wiring the fans to the retrofit control cabinet<\/li>\n<li>Cleaning and disinfecting the ventilation chamber<\/li>\n<li>Commissioning incl. measurement of:\n<ul>\n<li>Power consumption<\/li>\n<li>static pressure<\/li>\n<li>Air volume<\/li>\n<li>Parameterization of the fans<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-hu5dfvb-c05817902cfeb4ccd8fd4f1c88daa962 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-10' aria-describedby='av-svg-desc-10' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-10'>Check<\/title>\n<desc id='av-svg-desc-10'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Handover and documentation\"><h3 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Handover and documentation<\/h3><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>Instruction of operating and maintenance personnel<\/li>\n<li>Preparation of the complete audit documents<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-hb5n8rb-28fbf25830f86a418f6ef5ac19c38df3 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-11' aria-describedby='av-svg-desc-11' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-11'>Check<\/title>\n<desc id='av-svg-desc-11'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Customer service\"><h3 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Customer service<\/h3><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>24\/7 support hotline<\/li>\n<li>Technical queries<\/li>\n<li>Troubleshooting<\/li>\n<li>Spare parts management<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-gnxuxqv-0e299e41f88ae514f778874bf361c4d1 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-12' aria-describedby='av-svg-desc-12' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-12'>Check<\/title>\n<desc id='av-svg-desc-12'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Funding opportunities\"><h3 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Funding opportunities<\/h3><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>Use of funding programs such as BAFA and KfW<\/li>\n<li>Support with applications<\/li>\n<li>Support with amortization and profitability calculations<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_3'  class='avia-section av-g77r9o7-01b6d4f4aaa19c3c7d39f31dc91359f7 main_color avia-section-huge avia-no-border-styling  avia-builder-el-23  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-10230'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-fpyfarb-18dc8b9a9e539da0492e5c491d0f05f8 av_two_third  avia-builder-el-24  el_before_av_one_half  avia-builder-el-first  first flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fjuyx6f-72d50f12164f56d4e6b80e1fe1ee2219\">\n#top .av-special-heading.av-fjuyx6f-72d50f12164f56d4e6b80e1fe1ee2219{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-fjuyx6f-72d50f12164f56d4e6b80e1fe1ee2219 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-fjuyx6f-72d50f12164f56d4e6b80e1fe1ee2219 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-fjuyx6f-72d50f12164f56d4e6b80e1fe1ee2219 av-special-heading-h2  avia-builder-el-25  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Specific changes for system operators<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-f4yu2xj-5cd4e413b83ce4cc43a5538b8c25dc10 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"font-weight: 400;\">RetroFit+ is effective where existing ventilation units cause high costs, uncertainty and restrictions. Modernization improves efficiency, operational reliability and future viability in a targeted manner &#8211; without the need for a complete new purchase.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-eaqju9j-82d2eeaee2c51862bba8ae0fc2b4266e av_one_half  avia-builder-el-27  el_after_av_two_third  el_before_av_one_half  first flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-dzzm87r-e692cc9692c6bc8827a66a7b0e1b86ce\">\n#top .avia-icon-list-container.av-dzzm87r-e692cc9692c6bc8827a66a7b0e1b86ce .iconlist_icon{\ncolor:#bad531;\nbackground-color:#ffffff;\n}\n#top .avia-icon-list-container.av-dzzm87r-e692cc9692c6bc8827a66a7b0e1b86ce .iconlist_icon svg:first-child{\nstroke:#bad531;\nfill:#bad531;\n}\n<\/style>\n<div  class='avia-icon-list-container av-dzzm87r-e692cc9692c6bc8827a66a7b0e1b86ce  avia-builder-el-28  avia-builder-el-no-sibling '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-dzzm87r-e692cc9692c6bc8827a66a7b0e1b86ce avia-iconlist-animate'>\n<li><div class='iconlist_icon av-de00aaf-85f751dc91b7423536b653834a33f7b4 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-13' aria-describedby='av-svg-desc-13' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-13'>Check<\/title>\n<desc id='av-svg-desc-13'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Profitability and costs\"><h3 class='av_iconlist_title iconlist_title  '  itemprop=\"headline\" >Profitability and costs<\/h3><\/header><div class='iconlist_content '  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>Significant cost savings<\/li>\n<li>Up to 50 % less energy consumption<\/li>\n<li>Short amortization period of 2-3 years on average<\/li>\n<li>Reduced maintenance costs<\/li>\n<li>Use of funding programs<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-cyl005z-d6a365ee7ba9370a9b25dafddf7a3749 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-14' aria-describedby='av-svg-desc-14' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-14'>Check<\/title>\n<desc id='av-svg-desc-14'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Operational safety and availability\"><h3 class='av_iconlist_title iconlist_title  '  itemprop=\"headline\" >Operational safety and availability<\/h3><\/header><div class='iconlist_content '  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>Greater operational safety<\/li>\n<li>Less downtime<\/li>\n<li>Extended service life of existing devices<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-cgr8v7b-b4f7d152198bd8c6fbb017394dc93457 avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-15' aria-describedby='av-svg-desc-15' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-15'>Check<\/title>\n<desc id='av-svg-desc-15'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Energy efficiency and sustainability\"><h3 class='av_iconlist_title iconlist_title  '  itemprop=\"headline\" >Energy efficiency and sustainability<\/h3><\/header><div class='iconlist_content '  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>Greater energy efficiency<\/li>\n<li>Reduced CO\u2082 emissions<\/li>\n<li>Compliance with current energy standards<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/div><div  class='flex_column av-can720n-d132b28da66eb35ba13c87500e5ce5d8 av_one_half  avia-builder-el-29  el_after_av_one_half  avia-builder-el-last  flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-bpq8593-90cbc589282dd10c36ef67280d736bf7\">\n#top .avia-icon-list-container.av-bpq8593-90cbc589282dd10c36ef67280d736bf7 .iconlist_icon{\ncolor:#bad531;\nbackground-color:#ffffff;\n}\n#top .avia-icon-list-container.av-bpq8593-90cbc589282dd10c36ef67280d736bf7 .iconlist_icon svg:first-child{\nstroke:#bad531;\nfill:#bad531;\n}\n<\/style>\n<div  class='avia-icon-list-container av-bpq8593-90cbc589282dd10c36ef67280d736bf7  avia-builder-el-30  avia-builder-el-no-sibling '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-bpq8593-90cbc589282dd10c36ef67280d736bf7 avia-iconlist-animate'>\n<li><div class='iconlist_icon av-b631gwn-def9df227cfa1c226fca501bd35934cd avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-16' aria-describedby='av-svg-desc-16' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-16'>Check<\/title>\n<desc id='av-svg-desc-16'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Future viability and system integration\"><h3 class='av_iconlist_title iconlist_title  '  itemprop=\"headline\" >Future viability and system integration<\/h3><\/header><div class='iconlist_content '  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>Future-proof, digital interfaces<\/li>\n<li>Simple connection to existing systems<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-avmpdfb-5fd8e6d2d30a20595f8adffcf18a9b5a avia-font-svg_entypo-fontello avia-svg-icon avia-font-svg_entypo-fontello'><span class='av-icon-char' data-av_svg_icon='check' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"21\" height=\"32\" viewBox=\"0 0 21 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-17' aria-describedby='av-svg-desc-17' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-17'>Check<\/title>\n<desc id='av-svg-desc-17'>Check<\/desc>\n<path d=\"M7.968 27.2q-1.088 0-1.792-0.896l-5.76-7.552q-0.512-0.768-0.384-1.664t0.832-1.472 1.632-0.448 1.504 0.896l3.776 4.928 9.472-15.168q0.512-0.768 1.376-0.96t1.696 0.256q0.768 0.512 0.96 1.376t-0.256 1.696l-11.2 17.92q-0.64 1.024-1.792 1.024z\"><\/path>\n<\/svg><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Comfort and quality in operation\"><h3 class='av_iconlist_title iconlist_title  '  itemprop=\"headline\" >Comfort and quality in operation<\/h3><\/header><div class='iconlist_content '  itemprop=\"text\" ><ul style=\"font-weight: 400;\">\n<li>Demand-oriented ventilation performance<\/li>\n<li>Noise reduction<\/li>\n<li>No rubber abrasion due to beltless drives<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-aarn1sn-0cfac4127b4725d95221266d90eeac69\">\n.avia-section.av-aarn1sn-0cfac4127b4725d95221266d90eeac69{\nbackground-color:#bad531;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_4'  class='avia-section av-aarn1sn-0cfac4127b4725d95221266d90eeac69 main_color avia-section-huge avia-no-border-styling  avia-builder-el-31  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-10230'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-9sef1cn-9a884842e3c27e207b74b5c785737bf2 av_two_third  avia-builder-el-32  el_before_av_one_half  avia-builder-el-first  first flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9f0kxh3-807951b3f5aafdc011179cdc7fb66408\">\n#top .av-special-heading.av-9f0kxh3-807951b3f5aafdc011179cdc7fb66408{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-9f0kxh3-807951b3f5aafdc011179cdc7fb66408 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-9f0kxh3-807951b3f5aafdc011179cdc7fb66408 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-9f0kxh3-807951b3f5aafdc011179cdc7fb66408 av-special-heading-h2  avia-builder-el-33  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >How RetroFit+ works in practice<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-8xg20dz-46cdfc5ced5d444ee6f4bfe97126df47 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"font-weight: 400;\">RetroFit+ is used where existing ventilation units need to be modernized without replacing them completely.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-8mc7aif-b97570edbd042014751d4312cda95ddb av_one_half  avia-builder-el-35  el_after_av_two_third  el_before_av_one_half  first flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7xilsnr-4f007e4c75c819a9d551489547d15c44\">\n#top .av-special-heading.av-7xilsnr-4f007e4c75c819a9d551489547d15c44{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-7xilsnr-4f007e4c75c819a9d551489547d15c44 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-7xilsnr-4f007e4c75c819a9d551489547d15c44 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-7xilsnr-4f007e4c75c819a9d551489547d15c44 av-special-heading-h3  avia-builder-el-36  el_before_av_iconlist  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Typical application situations<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7nvsss7-90c9126c25b82fb45a00b4c53d9062c2\">\n#top .avia-icon-list-container.av-7nvsss7-90c9126c25b82fb45a00b4c53d9062c2 .iconlist_icon{\ncolor:#ffffff;\n}\n#top .avia-icon-list-container.av-7nvsss7-90c9126c25b82fb45a00b4c53d9062c2 .iconlist_icon svg:first-child{\nstroke:#ffffff;\nfill:#ffffff;\n}\n<\/style>\n<div  class='avia-icon-list-container av-7nvsss7-90c9126c25b82fb45a00b4c53d9062c2  avia-builder-el-37  el_after_av_heading  avia-builder-el-last '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-small av-7nvsss7-90c9126c25b82fb45a00b4c53d9062c2 avia-iconlist-animate'>\n<li><div class='iconlist_icon av-74nqj7b-544f49324212c85b7d4d47c2462dc174 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry av-iconlist-empty\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Existing ventilation units that no longer meet current energy or technical requirements\"><div class='av_iconlist_title iconlist_title_small  '  itemprop=\"headline\" >Existing ventilation units that no longer meet current energy or technical requirements<\/div><\/header><div class='iconlist_content '  itemprop=\"text\" ><\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-6vuis3b-dbe3fb0cedf73e43b3c038b08cf4c370 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry av-iconlist-empty\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Appliances for which a complete replacement is not structurally, economically or operationally feasible\"><div class='av_iconlist_title iconlist_title_small  '  itemprop=\"headline\" >Appliances for which a complete replacement is not structurally, economically or operationally feasible<\/div><\/header><div class='iconlist_content '  itemprop=\"text\" ><\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-61rrvcn-281798f2f20a31bba76d49bdb94ec710 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry av-iconlist-empty\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Modernization during operation\"><div class='av_iconlist_title iconlist_title_small  '  itemprop=\"headline\" >Modernization during operation<\/div><\/header><div class='iconlist_content '  itemprop=\"text\" ><\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-5y57idz-a022cb083a06df9a87e20a9a66a7e9e0 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry av-iconlist-empty\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Appliances with high energy and maintenance costs\"><div class='av_iconlist_title iconlist_title_small  '  itemprop=\"headline\" >Appliances with high energy and maintenance costs<\/div><\/header><div class='iconlist_content '  itemprop=\"text\" ><\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<li><div class='iconlist_icon av-iu0njr-e529190a00a5cf1e23781d7346665b81 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry av-iconlist-empty\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Devices with increasing susceptibility to failure\"><div class='av_iconlist_title iconlist_title_small  '  itemprop=\"headline\" >Devices with increasing susceptibility to failure<\/div><\/header><div class='iconlist_content '  itemprop=\"text\" ><\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/p><\/div><div  class='flex_column av-4o60bhz-79bfc3a0a030b00d5f2339602e3a1468 av_one_half  avia-builder-el-38  el_after_av_one_half  avia-builder-el-last  flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-49avwzb-fd98cf1229ce9d36c0068f8cf0038ed3\">\n#top .av-special-heading.av-49avwzb-fd98cf1229ce9d36c0068f8cf0038ed3{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-49avwzb-fd98cf1229ce9d36c0068f8cf0038ed3 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-49avwzb-fd98cf1229ce9d36c0068f8cf0038ed3 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-49avwzb-fd98cf1229ce9d36c0068f8cf0038ed3 av-special-heading-h3  avia-builder-el-39  el_before_av_iconlist  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Typical users<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3vo00pj-93b88a9a9162097d9a82c44f89d0302b\">\n#top .avia-icon-list-container.av-3vo00pj-93b88a9a9162097d9a82c44f89d0302b .iconlist_icon{\ncolor:#ffffff;\n}\n#top .avia-icon-list-container.av-3vo00pj-93b88a9a9162097d9a82c44f89d0302b .iconlist_icon svg:first-child{\nstroke:#ffffff;\nfill:#ffffff;\n}\n.avia-icon-list-container.av-3vo00pj-93b88a9a9162097d9a82c44f89d0302b .iconlist_content{\ncolor:#000000;\n}\n<\/style>\n<div  class='avia-icon-list-container av-3vo00pj-93b88a9a9162097d9a82c44f89d0302b  avia-builder-el-40  el_after_av_heading  avia-builder-el-last '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-small av-3vo00pj-93b88a9a9162097d9a82c44f89d0302b avia-iconlist-animate'>\n<li><div class='iconlist_icon av-3ioc113-68a3c25690cb3d282e29f0e67c3b5723 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue816' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Plant operator\"><h3 class='av_iconlist_title iconlist_title_small  '  itemprop=\"headline\" >Plant operator<\/h3><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul>\n<li>Industry and trade<\/li>\n<li>Public buildings<\/li>\n<li>Health and care facilities<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/p><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2te4jef-1327a6e366b7beea8b0a900e46d6fb7b\">\n.avia-section.av-2te4jef-1327a6e366b7beea8b0a900e46d6fb7b{\nbackground-color:#333333;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_5'  class='avia-section av-2te4jef-1327a6e366b7beea8b0a900e46d6fb7b main_color avia-section-huge avia-no-border-styling  avia-builder-el-41  el_after_av_section  avia-builder-el-last  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-10230'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-2i7480n-6af3790352fc778e92245ca29fb9fe5f av_two_third  avia-builder-el-42  avia-builder-el-no-sibling  first flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-26tqkgn-7a3ac09e3e7179a1393668d88273a939\">\n#top .av-special-heading.av-26tqkgn-7a3ac09e3e7179a1393668d88273a939{\npadding-bottom:10px;\ncolor:#ffffff;\n}\nbody .av-special-heading.av-26tqkgn-7a3ac09e3e7179a1393668d88273a939 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-26tqkgn-7a3ac09e3e7179a1393668d88273a939 .special-heading-inner-border{\nborder-color:#ffffff;\n}\n.av-special-heading.av-26tqkgn-7a3ac09e3e7179a1393668d88273a939 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-26tqkgn-7a3ac09e3e7179a1393668d88273a939 av-special-heading-h2 custom-color-heading  avia-builder-el-43  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Ready to modernize your ventilation units?<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1fzx6xj-3fbfc9335ce0da2410019da7a37e6884\">\n#top .av_textblock_section.av-1fzx6xj-3fbfc9335ce0da2410019da7a37e6884 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-1fzx6xj-3fbfc9335ce0da2410019da7a37e6884 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"font-weight: 400;\">RetroFit+ makes existing ventilation units efficient, economical and future-proof again. Without the need for a completely new purchase.<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-3rgbyv-cb1b007060f94303538695a01c107686-wrap avia-button-left  avia-builder-el-45  el_after_av_textblock  el_before_av_textblock '><a href='https:\/\/frischluftmanager.com\/en\/contact\/'  class='avia-button av-3rgbyv-cb1b007060f94303538695a01c107686 av-link-btn avia-icon_select-no avia-size-x-large avia-position-left avia-color-theme-color'   aria-label=\"Request advice\"><span class='avia_iconbox_title' >Request advice<\/span><\/a><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-u3epcn-d4f853d058500aa2947bd86fd7d0af3e\">\n#top .av_textblock_section.av-u3epcn-d4f853d058500aa2947bd86fd7d0af3e .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-u3epcn-d4f853d058500aa2947bd86fd7d0af3e '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><div>\n<p class=\"p3\">For an initial assessment, we only need the basic device data.<\/p>\n<\/div>\n<\/div><\/section><\/p><\/div>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":8,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10230","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.5) - 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