{"id":4855,"date":"2026-01-19T18:07:39","date_gmt":"2026-01-19T17:07:39","guid":{"rendered":"https:\/\/avant4degres.fr\/?page_id=4855"},"modified":"2026-08-14T12:12:28","modified_gmt":"2026-08-14T10:12:28","slug":"pourquoi-entretenir-sa-ventilation","status":"publish","type":"page","link":"https:\/\/avant4degres.fr\/en\/pourquoi-entretenir-sa-ventilation\/","title":{"rendered":"Pourquoi entretenir sa ventilation ?"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"4855\" class=\"elementor elementor-4855\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bc17b9a e-flex e-con-boxed e-con e-parent\" data-id=\"bc17b9a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c18aaae elementor-widget elementor-widget-heading\" data-id=\"c18aaae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Pourquoi entretenir sa ventilation ?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e2dbbfd e-flex e-con-boxed e-con e-parent\" data-id=\"e2dbbfd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aeb325e elementor-widget elementor-widget-text-editor\" data-id=\"aeb325e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>19 janvier 2026<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a29be5 elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"4a29be5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Carrousel d\u2019images\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 8\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-2-300x300.png\" alt=\"Bouche d&#039;extraction\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 8\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-3-300x300.png\" alt=\"Conduit d&#039;extraction\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 of 8\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-4-291x300.png\" alt=\"Conduit d&#039;extraction\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 of 8\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-6-300x300.png\" alt=\"Filtre int\u00e9rieur-ext\u00e9rieur\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"5 of 8\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-5-300x300.png\" alt=\"Filtre ext\u00e9rieur-int\u00e9rieur\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"6 of 8\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-7-300x300.png\" alt=\"Filtres VMC double flux\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"7 of 8\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-8-300x300.png\" alt=\"Ventilation VMC double flux\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"8 of 8\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/Notions-elementaires-dhygiene-pratique-300x300.png\" alt=\"Notions \u00e9l\u00e9mentaires d&#039;hygi\u00e8ne pratique\" \/><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a6b3022 e-flex e-con-boxed e-con e-parent\" data-id=\"a6b3022\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6afc54d elementor-widget elementor-widget-text-editor\" data-id=\"6afc54d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Il y a des gens tr\u00e8s fiers de leur ventilation naturelle low tech par simples ouvertures dans les murs obstru\u00e9es par des grilles. Mais si les conduits sont bouch\u00e9s aux trois-quarts par de la poussi\u00e8re et des toiles d\u2019araign\u00e9es accumul\u00e9es depuis 50 ans, ce sont juste d\u2019\u00e9normes ponts thermiques. <strong>Une ventilation, qu\u2019elle soit naturelle, m\u00e9canique, r\u00e9partie, simple flux, auto, hygro, par insufflation, double flux, \u00e7a s\u2019entretient.<\/strong><\/p><p>Alors on sort son aspirateur, son plumeau, son furet et ses lingettes microfibres et on nettoie les grilles, les conduits, les bouches d\u2019extraction, les mortaises (entr\u00e9es d\u2019air) sur les fen\u00eatres, les bouches d\u2019insufflation, les ailettes du ventilateur, les filtres\u2026 selon son type de ventilation.<\/p><p>Le but de la ventilation est d\u2019<strong>assurer en continu le renouvellement de l\u2019air int\u00e9rieur et d\u2019\u00e9vacuer les polluants<\/strong> au sens large\u00a0: CO<sub>2<\/sub>, particules fines, compos\u00e9s organiques volatiles (COV), radon, sans parler de l\u2019humidit\u00e9\u2026 Si les entr\u00e9es et les sorties d\u2019air sont encrass\u00e9es, elles ne peuvent pas assurer le renouvellement de l\u2019air et <strong>a\u00e9rer une ou deux fois par jour ne sera pas suffisant pour assurer un air sain<\/strong> (sans parler de l\u2019usure pr\u00e9coce des moteurs des VMC).<\/p><p>Les trois premi\u00e8res photos montrent une <strong>bouche d\u2019extraction<\/strong> non nettoy\u00e9e depuis 5 ans et se passent de commentaire. Les deux suivantes sont les <strong>filtres de ma VMC double flux<\/strong> non nettoy\u00e9s depuis 3 mois : le premier est le filtre ext\u00e9rieur \u2192 int\u00e9rieur, il pr\u00e9sente un peu de poussi\u00e8re et quelques insectes, mais ce n\u2019est pas catastrophique. La photo suivante montre le filtre int\u00e9rieur \u2192 ext\u00e9rieur qui prot\u00e8ge l\u2019\u00e9changeur, un peu poussi\u00e9reux, mais correct \u00e9galement. <strong>Un entretien r\u00e9gulier reste donc l\u2019id\u00e9al pour assurer un air int\u00e9rieur sain.<\/strong><\/p><p>En conclusion, comme le disait le bon docteur \u00c9mile Galtier-Boissi\u00e8re en 1896, \u00ab air confin\u00e9, air vici\u00e9 \u00bb !<\/p><p><img decoding=\"async\" class=\"emoji\" role=\"img\" draggable=\"false\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/16.0.1\/svg\/1f4f7.svg\" alt=\"\ud83d\udcf7\" \/> Illustration du Dr Galtier-Boissi\u00e8re \u00a9 MOOC QAI de Tipee &amp; Cerema<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-41342e8 e-flex e-con-boxed e-con e-parent\" data-id=\"41342e8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-53f7b4b elementor-align-center elementor-mobile-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"53f7b4b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/avant4degres.fr\/en\/mes-offres-daccompagnement-dans-votre-parcours-de-renovation\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Je veux une visite-analyse<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Pourquoi entretenir sa ventilation ? 19 janvier 2026 Il y a des gens tr\u00e8s fiers de leur ventilation naturelle low tech par simples ouvertures dans les murs obstru\u00e9es par des grilles. Mais si les conduits sont bouch\u00e9s aux trois-quarts par de la poussi\u00e8re et des toiles d\u2019araign\u00e9es accumul\u00e9es depuis 50 ans, ce sont juste d\u2019\u00e9normes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_front_end_style_editor":"no","ocean_post_layout":"full-width","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"off","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"on","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"off","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","footnotes":""},"class_list":["post-4855","page","type-page","status-publish","hentry","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pourquoi entretenir sa ventilation ? - Avant 4 degr\u00e9s<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/avant4degres.fr\/en\/pourquoi-entretenir-sa-ventilation\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pourquoi entretenir sa ventilation ? - Avant 4 degr\u00e9s\" \/>\n<meta property=\"og:description\" content=\"Pourquoi entretenir sa ventilation ? 19 janvier 2026 Il y a des gens tr\u00e8s fiers de leur ventilation naturelle low tech par simples ouvertures dans les murs obstru\u00e9es par des grilles. Mais si les conduits sont bouch\u00e9s aux trois-quarts par de la poussi\u00e8re et des toiles d\u2019araign\u00e9es accumul\u00e9es depuis 50 ans, ce sont juste d\u2019\u00e9normes [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/avant4degres.fr\/en\/pourquoi-entretenir-sa-ventilation\/\" \/>\n<meta property=\"og:site_name\" content=\"Avant 4 degr\u00e9s\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-14T10:12:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-2-300x300.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/\",\"url\":\"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/\",\"name\":\"Pourquoi entretenir sa ventilation ? - Avant 4 degr\u00e9s\",\"isPartOf\":{\"@id\":\"https:\/\/avant4degres.fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-2-300x300.png\",\"datePublished\":\"2026-01-19T17:07:39+00:00\",\"dateModified\":\"2026-08-14T10:12:28+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/#primaryimage\",\"url\":\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-2-300x300.png\",\"contentUrl\":\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-2-300x300.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/avant4degres.fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Pourquoi entretenir sa ventilation ?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/avant4degres.fr\/#website\",\"url\":\"https:\/\/avant4degres.fr\/\",\"name\":\"Avant 4 degr\u00e9s\",\"description\":\"Enduits naturels et conseil en r\u00e9novation \u00e9cologique\",\"publisher\":{\"@id\":\"https:\/\/avant4degres.fr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/avant4degres.fr\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/avant4degres.fr\/#organization\",\"name\":\"Avant 4 degr\u00e9s\",\"url\":\"https:\/\/avant4degres.fr\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/avant4degres.fr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2023\/11\/Logo.png\",\"contentUrl\":\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2023\/11\/Logo.png\",\"width\":965,\"height\":964,\"caption\":\"Avant 4 degr\u00e9s\"},\"image\":{\"@id\":\"https:\/\/avant4degres.fr\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.linkedin.com\/in\/florence-alliese\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Pourquoi entretenir sa ventilation ? - Avant 4 degr\u00e9s","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/avant4degres.fr\/en\/pourquoi-entretenir-sa-ventilation\/","og_locale":"en_GB","og_type":"article","og_title":"Pourquoi entretenir sa ventilation ? - Avant 4 degr\u00e9s","og_description":"Pourquoi entretenir sa ventilation ? 19 janvier 2026 Il y a des gens tr\u00e8s fiers de leur ventilation naturelle low tech par simples ouvertures dans les murs obstru\u00e9es par des grilles. Mais si les conduits sont bouch\u00e9s aux trois-quarts par de la poussi\u00e8re et des toiles d\u2019araign\u00e9es accumul\u00e9es depuis 50 ans, ce sont juste d\u2019\u00e9normes [&hellip;]","og_url":"https:\/\/avant4degres.fr\/en\/pourquoi-entretenir-sa-ventilation\/","og_site_name":"Avant 4 degr\u00e9s","article_modified_time":"2026-08-14T10:12:28+00:00","og_image":[{"url":"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-2-300x300.png","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"Estimated reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/","url":"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/","name":"Pourquoi entretenir sa ventilation ? - Avant 4 degr\u00e9s","isPartOf":{"@id":"https:\/\/avant4degres.fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/#primaryimage"},"image":{"@id":"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/#primaryimage"},"thumbnailUrl":"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-2-300x300.png","datePublished":"2026-01-19T17:07:39+00:00","dateModified":"2026-08-14T10:12:28+00:00","breadcrumb":{"@id":"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/#primaryimage","url":"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-2-300x300.png","contentUrl":"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/01\/VMC-2-300x300.png"},{"@type":"BreadcrumbList","@id":"https:\/\/avant4degres.fr\/pourquoi-entretenir-sa-ventilation\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/avant4degres.fr\/"},{"@type":"ListItem","position":2,"name":"Pourquoi entretenir sa ventilation ?"}]},{"@type":"WebSite","@id":"https:\/\/avant4degres.fr\/#website","url":"https:\/\/avant4degres.fr\/","name":"Avant 4 degr\u00e9s","description":"Enduits naturels et conseil en r\u00e9novation \u00e9cologique","publisher":{"@id":"https:\/\/avant4degres.fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/avant4degres.fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/avant4degres.fr\/#organization","name":"Avant 4 degr\u00e9s","url":"https:\/\/avant4degres.fr\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/avant4degres.fr\/#\/schema\/logo\/image\/","url":"https:\/\/avant4degres.fr\/wp-content\/uploads\/2023\/11\/Logo.png","contentUrl":"https:\/\/avant4degres.fr\/wp-content\/uploads\/2023\/11\/Logo.png","width":965,"height":964,"caption":"Avant 4 degr\u00e9s"},"image":{"@id":"https:\/\/avant4degres.fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.linkedin.com\/in\/florence-alliese\/"]}]}},"_links":{"self":[{"href":"https:\/\/avant4degres.fr\/en\/wp-json\/wp\/v2\/pages\/4855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/avant4degres.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/avant4degres.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/avant4degres.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/avant4degres.fr\/en\/wp-json\/wp\/v2\/comments?post=4855"}],"version-history":[{"count":22,"href":"https:\/\/avant4degres.fr\/en\/wp-json\/wp\/v2\/pages\/4855\/revisions"}],"predecessor-version":[{"id":5424,"href":"https:\/\/avant4degres.fr\/en\/wp-json\/wp\/v2\/pages\/4855\/revisions\/5424"}],"wp:attachment":[{"href":"https:\/\/avant4degres.fr\/en\/wp-json\/wp\/v2\/media?parent=4855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}