{"id":5914,"date":"2015-08-31T14:04:55","date_gmt":"2015-08-31T12:04:55","guid":{"rendered":"http:\/\/welem.com\/enr\/?page_id=5914"},"modified":"2025-07-27T13:11:06","modified_gmt":"2025-07-27T11:11:06","slug":"ventilation-double-flux","status":"publish","type":"page","link":"https:\/\/welem.com\/enr\/ventilation-double-flux\/","title":{"rendered":"Ventilation double-flux"},"content":{"rendered":"<style type=\"text\/css\"> \n#cmsms_row_69f3efcbc66dc .cmsms_row_outer_parent { \n\tpadding-top: 0px; \n} \n\n#cmsms_row_69f3efcbc66dc .cmsms_row_outer_parent { \n\tpadding-bottom: 0px; \n} \n\n \n#cmsms_heading_69f3efcbc6790, #cmsms_heading_69f3efcbc6790 a { \n\tfont-weight:400; \n\tfont-style:normal; \n\tmargin-top:0px; \n\tmargin-bottom:20px; \n} \n \n#cmsms_row_69f3efcbc686c .cmsms_row_outer_parent { \n\tpadding-top: 0px; \n} \n\n#cmsms_row_69f3efcbc686c .cmsms_row_outer_parent { \n\tpadding-bottom: 10px; \n} \n\n \n#cmsms_row_69f3efcbc6d5f .cmsms_row_outer_parent { \n\tpadding-top: 0px; \n} \n\n#cmsms_row_69f3efcbc6d5f .cmsms_row_outer_parent { \n\tpadding-bottom: 30px; \n} \n\n \n#cmsms_row_69f3efcbc6e1d .cmsms_row_outer_parent { \n\tpadding-top: 0px; \n} \n\n#cmsms_row_69f3efcbc6e1d .cmsms_row_outer_parent { \n\tpadding-bottom: 0px; \n} \n\n \n#cmsms_heading_69f3efcbc6e64, #cmsms_heading_69f3efcbc6e64 a { \n\tfont-weight:400; \n\tfont-style:normal; \n\tmargin-top:0px; \n\tmargin-bottom:20px; \n} \n \n#cmsms_row_69f3efcbc6e72 .cmsms_row_outer_parent { \n\tpadding-top: 0px; \n} \n\n#cmsms_row_69f3efcbc6e72 .cmsms_row_outer_parent { \n\tpadding-bottom: 10px; \n} \n\n \n#cmsms_row_69f3efcbc71d3 .cmsms_row_outer_parent { \n\tpadding-top: 0px; \n} \n\n#cmsms_row_69f3efcbc71d3 .cmsms_row_outer_parent { \n\tpadding-bottom: 30px; \n} \n\n \n#cmsms_notice_69f3efcbc72ae { \n\tbackground-color:#4f3d3c; \n\tborder-color:#bfd029; \n\tcolor:#cccccc; \n} \n.cmsms_notice:before {\n\n\tcolor:#bfd029; \n}\n \n#cmsms_row_69f3efcbc72ce .cmsms_row_outer_parent { \n\tpadding-top: 0px; \n} \n\n#cmsms_row_69f3efcbc72ce .cmsms_row_outer_parent { \n\tpadding-bottom: 0px; \n} \n\n \n#cmsms_heading_69f3efcbc7313, #cmsms_heading_69f3efcbc7313 a { \n\tfont-weight:400; \n\tfont-style:normal; \n\tmargin-top:0px; \n\tmargin-bottom:20px; \n} \n \n#cmsms_row_69f3efcbc7320 .cmsms_row_outer_parent { \n\tpadding-top: 0px; \n} \n\n#cmsms_row_69f3efcbc7320 .cmsms_row_outer_parent { \n\tpadding-bottom: 30px; \n} \n\n \n#cmsms_notice_69f3efcbc7a75 { \n\tbackground-color:#4f3d3c; \n\tborder-color:#fcbd16; \n\tcolor:#fcbd16; \n} \n.cmsms_notice:before {\n\n\tcolor:#fcbd16; \n}\n \n#cmsms_row_69f3efcbc7a93 .cmsms_row_outer_parent { \n\tpadding-top: 0px; \n} \n\n#cmsms_row_69f3efcbc7a93 .cmsms_row_outer_parent { \n\tpadding-bottom: 50px; \n} \n\n \n#cmsms_icon_box_69f3efcbc7b2d h1:before { \n\tcolor:#bfd029; \n} \n#cmsms_icon_box_69f3efcbc7b2d .cmsms_button { \n\tfont-weight:100; \n\tfont-style:normal; \n\tpadding-right:20px; \n\tpadding-left:20px; \n} \n#cmsms_icon_box_69f3efcbc7b2d .cmsms_button:hover { \n} \n \n#cmsms_icon_box_69f3efcbc7b7a h1:before { \n\tcolor:#bfd029; \n} \n#cmsms_icon_box_69f3efcbc7b7a .cmsms_button { \n\tfont-weight:100; \n\tfont-style:normal; \n\tpadding-right:20px; \n\tpadding-left:20px; \n} \n#cmsms_icon_box_69f3efcbc7b7a .cmsms_button:hover { \n} \n<\/style><div id=\"cmsms_row_69f3efcbc66dc\" class=\"cmsms_row cmsms_color_scheme_default\">\n<div class=\"cmsms_row_outer_parent\">\n<div class=\"cmsms_row_outer\">\n<div class=\"cmsms_row_inner\">\n<div class=\"cmsms_row_margin\">\n<div class=\"cmsms_column one_first\">\n<h3 id=\"cmsms_heading_69f3efcbc6790\" class=\"cmsms_heading\">Jusqu&rsquo;\u00e0 20% de perte d&rsquo;\u00e9nergie par la ventilation<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"cmsms_row_69f3efcbc686c\" class=\"cmsms_row cmsms_color_scheme_default\">\n<div class=\"cmsms_row_outer_parent\">\n<div class=\"cmsms_row_outer\">\n<div class=\"cmsms_row_inner\">\n<div class=\"cmsms_row_margin\">\n<div class=\"cmsms_column one_half\">\n<div class=\"cmsms_text\">\n<p>Dans les b\u00e2timents existants (ant\u00e9rieurs \u00e0 la r\u00e9glementations thermiques RT2012), le renouvellement d\u2019air est assur\u00e9e pour partie par les fuites d\u2019\u00e9tanch\u00e9it\u00e9 (non volontaires) et par une extraction m\u00e9canique qui remplace en permanence l\u2019air int\u00e9rieur par de l\u2019air l\u2019ext\u00e9rieur. Le fait de ventiler conduit donc \u00e0 des <strong>d\u00e9perditions thermiques non n\u00e9gligeables (autour de 20-30 kWh\/m\u00b2.a \u2013 soit 450 euros par an de chauffage<\/strong> pour une maison de 150m\u00b2 avec un chauffage \u00e9lectrique).<strong><br \/>\n<\/strong><\/p>\n<\/div>\n<\/div>\n<div class=\"cmsms_column one_half\">\n<div class=\"cmsms_img  cmsms_image_n\">\n<img decoding=\"async\" src=\"https:\/\/welem.com\/enr\/wp-content\/uploads\/2015\/08\/RepartitionDeperditionMaison-300x223.png\" \/>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"cmsms_row_69f3efcbc6d5f\" class=\"cmsms_row cmsms_color_scheme_default\">\n<div class=\"cmsms_row_outer_parent\">\n<div class=\"cmsms_row_outer\">\n<div class=\"cmsms_row_inner\">\n<div class=\"cmsms_row_margin\">\n<div class=\"cmsms_column one_first\">\n<div class=\"cmsms_text\">\n<p>Ce taux de renouvellement d\u2019air se situe approximativement entre 0.30 et 0.60 volumes\/heures (cela d\u00e9pend des configurations de logement : nombre de pi\u00e8ces d\u2019eau, nombre d\u2019occupants). Celui ci est n\u00e9cessaire pour des raisons hygi\u00e9niques et sanitaires : il faut \u00e9vacuer l\u2019air pollu\u00e9, l\u2019humidit\u00e9, il faut renouveler en oxyg\u00e8ne le local. <strong>Il faut donc renouveler l\u2019int\u00e9gralit\u00e9 du volume d\u2019air du logement toutes les deux\/trois heures.<br \/>\n<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"cmsms_row_69f3efcbc6e1d\" class=\"cmsms_row cmsms_color_scheme_default\">\n<div class=\"cmsms_row_outer_parent\">\n<div class=\"cmsms_row_outer\">\n<div class=\"cmsms_row_inner\">\n<div class=\"cmsms_row_margin\">\n<div class=\"cmsms_column one_first\">\n<h3 id=\"cmsms_heading_69f3efcbc6e64\" class=\"cmsms_heading\">Vers des logements basse consommation<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"cmsms_row_69f3efcbc6e72\" class=\"cmsms_row cmsms_color_scheme_default\">\n<div class=\"cmsms_row_outer_parent\">\n<div class=\"cmsms_row_outer\">\n<div class=\"cmsms_row_inner\">\n<div class=\"cmsms_row_margin\">\n<div class=\"cmsms_column two_third\">\n<div class=\"cmsms_text\">\n<p>Dans la logique du b\u00e2timent basse consommation, on recherchera une meilleure conservation de chaleur, afin de r\u00e9duire consid\u00e9rablement la puissance des chaudi\u00e8res. Ce qui n\u00e9cessitait 10 kW il y a 20 ans, peut se contenter de 1 ou 2 kW aujourd\u2019hui. Cela veut dire que l\u2019on consomme moins d\u2019\u00e9nergie \u00e9videment, mais \u00e9galement que la p\u00e9riode de chauffe devient circonscrite aux p\u00e9riodes les plus froides.<br \/>\nDans une \u2018vraie\u2019 d\u00e9marche de logement \u00e0 basse consommation, l\u2019objectif sera de r\u00e9duire toutes les sources de d\u00e9perditions de chaleur et d\u2019augmenter la valorisation des apports thermiques gratuits, sans rogner sur la qualit\u00e9 de l\u2019air ni le confort thermique. Un travail sera donc effectu\u00e9 sur l\u2019isolation de l\u2019enveloppe du b\u00e2ti mais \u00e9galement sur son \u00e9tanch\u00e9it\u00e9 \u00e0 l\u2019air et sur l\u2019a\u00e9ration.<\/p>\n<\/div>\n<\/div>\n<div class=\"cmsms_column one_third\">\n<div class=\"cmsms_img  cmsms_image_n\">\n<img decoding=\"async\" src=\"https:\/\/welem.com\/enr\/wp-content\/uploads\/2015\/08\/GroupeVMCDFHautRendement-169x300.jpg\" \/>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"cmsms_row_69f3efcbc71d3\" class=\"cmsms_row cmsms_color_scheme_default\">\n<div class=\"cmsms_row_outer_parent\">\n<div class=\"cmsms_row_outer\">\n<div class=\"cmsms_row_inner\">\n<div class=\"cmsms_row_margin\">\n<div class=\"cmsms_column one_first\">\n<div class=\"cmsms_text\">\n<p>La r\u00e9duction des besoins d\u2019\u00e9nergie du b\u00e2timent a plusieurs avantages :<\/p>\n<ul>\n<li>Les po\u00eales \u00e0 bois (granul\u00e9s ou b\u00fbche), consid\u00e9r\u00e9s pr\u00e9c\u00e9demment comme de l\u2019agr\u00e9ment peuvent produire sans probl\u00e8me tous les besoins de chauffage d\u2019une maison (<a href=\"\/enr?page_id=1718\">Contactez-nous<\/a> nous vous ferons part des\u00a0retours d\u2019exp\u00e9rience de nos clients).<\/li>\n<li>Dans les b\u00e2timents tr\u00e8s bien isol\u00e9s (d\u00e9marche passive), on a besoin de si peu de chaleur qu\u2019on peut utiliser les r\u00e9seaux de ventilation pour l\u2019acheminer dans les pi\u00e8ces.<\/li>\n<\/ul>\n<\/div>\n<div id=\"cmsms_notice_69f3efcbc72ae\" class=\"cmsms_notice cmsms_notice_custom cmsms-icon-spin3 animate-spin\">\n<div class=\"notice_icon\"><\/div>\n<div class=\"notice_content\">\n<p>Et c\u2019est dans ce cas de figure que la ventilation \u00e0 r\u00e9cup\u00e9ration de chaleur (on parle de ventilation double flux) prend tout son int\u00e9r\u00eat. Un caisson de ventilation assure \u00e0 la fois l\u2019extraction et l\u2019amen\u00e9e d\u2019air ext\u00e9rieur dans les pi\u00e8ces de vie. Un \u00e9changeur de chaleur permet aux flux d\u2019\u00e9changer leurs calories sans se m\u00e9langer. Il est envisageable sur les caissons r\u00e9cents de r\u00e9chauffer l\u2019air entrant de 0\u00b0C \u00e0 17\u00b0C sans difficult\u00e9.<br \/>\nLe syst\u00e8me peut \u00eatre ensuite perfectionn\u00e9, avec des filtres, une r\u00e9gulation plus ou moins fine pour que le d\u00e9bit d\u2019air s\u2019adapte aux occupants, soit tr\u00e8s silencieux, etc.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"cmsms_row_69f3efcbc72ce\" class=\"cmsms_row cmsms_color_scheme_default\">\n<div class=\"cmsms_row_outer_parent\">\n<div class=\"cmsms_row_outer\">\n<div class=\"cmsms_row_inner\">\n<div class=\"cmsms_row_margin\">\n<div class=\"cmsms_column one_first\">\n<h3 id=\"cmsms_heading_69f3efcbc7313\" class=\"cmsms_heading\">De l&rsquo;importance d&rsquo;avoir un air filtr\u00e9<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"cmsms_row_69f3efcbc7320\" class=\"cmsms_row cmsms_color_scheme_default\">\n<div class=\"cmsms_row_outer_parent\">\n<div class=\"cmsms_row_outer\">\n<div class=\"cmsms_row_inner\">\n<div class=\"cmsms_row_margin\">\n<div class=\"cmsms_column one_fourth\">\n<div class=\"cmsms_img  cmsms_image_n\">\n<img decoding=\"async\" src=\"https:\/\/welem.com\/enr\/wp-content\/uploads\/FiltreVMCDF-e1511719360614-169x300.jpg\" \/>\n<\/div>\n<\/div>\n<div class=\"cmsms_column three_fourth\">\n<div class=\"cmsms_text\">\n<p><span style=\"text-align: left;\">En terme de filtration d&rsquo;air, un syst\u00e8me de ventilation double flux pr\u00e9sente plusieurs avantages:<\/span><\/p>\n<ul>\n<li>Extraction du gaz carbonique produit par les occupants du logement,<\/li>\n<li>Rejet des COV, compos\u00e9s organique volatiles tr\u00e8s pr\u00e9sents dans les rev\u00eatements et peintures neufs,<\/li>\n<li>Emp\u00eache l&rsquo;introduction dans l&rsquo;habitat de polluants chimiques ou pollens allerg\u00e8nes pr\u00e9sents dans l&rsquo;air ext\u00e9rieur, comme le montre les filtres de VMC double flux dans la photo ci-contre.<\/li>\n<\/ul>\n<\/div>\n<div id=\"cmsms_notice_69f3efcbc7a75\" class=\"cmsms_notice cmsms_notice_custom cmsms-icon-warning-empty\">\n<div class=\"notice_icon\"><\/div>\n<div class=\"notice_content\">\n<p>Les filtres doivent \u00eatre imp\u00e9rativement remplac\u00e9s tous les six mois.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"cmsms_row_69f3efcbc7a93\" class=\"cmsms_row cmsms_color_scheme_default\">\n<div class=\"cmsms_row_outer_parent\">\n<div class=\"cmsms_row_outer\">\n<div class=\"cmsms_row_inner\">\n<div class=\"cmsms_row_margin\">\n<div class=\"cmsms_column one_half\">\n<div id=\"cmsms_icon_box_69f3efcbc7b2d\" class=\"cmsms_icon_box cmsms_box_heading\">\n<div class=\"icon_box_inner\">\n<h3 class=\"cmsms-icon-globe-5\">Exemples d\u2032installations<\/h3>\n<div class=\"icon_box_text\">\n<p>Vous pouvez avoir un aper\u00e7u de nos installations de po\u00eales \u00e0 granul\u00e9s en consultant la carte de nos installations<\/p>\n<\/div>\n<a href=\"\/enr\/installations\" class=\"cmsms_button icon_box_button\">Voir la carte<\/a>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cmsms_column one_half\">\n<div id=\"cmsms_icon_box_69f3efcbc7b7a\" class=\"cmsms_icon_box cmsms_box_heading\">\n<div class=\"icon_box_inner\">\n<h3 class=\"cmsms-icon-calendar-alt-1\">Gamme de VMC double-flux<\/h3>\n<div class=\"icon_box_text\">\n<p>Retrouver une partie de notre gamme de po\u00eales \u00e0 granules sur notre boutique en ligne<\/p>\n<\/div>\n<a href=\"\/enr\/categorie-produit\/ventilation\/vmc-df\/?pa_manufacturer=zehnder\" class=\"cmsms_button icon_box_button\">Voir les centrales double-flux<\/a>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":75,"featured_media":0,"parent":0,"menu_order":45,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5914","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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