{"id":18526,"date":"2024-11-22T10:43:20","date_gmt":"2024-11-22T09:43:20","guid":{"rendered":"https:\/\/cubeconcepts.de\/?p=18526"},"modified":"2026-04-28T14:25:55","modified_gmt":"2026-04-28T12:25:55","slug":"chauffer-avec-le-photovoltaique","status":"publish","type":"post","link":"https:\/\/cubeconcepts.de\/fr\/heizen-mit-photovoltaik\/","title":{"rendered":"Heizen mit Photovoltaik: PV-Strom f\u00fcr W\u00e4rmepumpen &amp; Infrarotheizungen"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><em>(Mis \u00e0 jour en avril 2026)<\/em> Le chauffage photovolta\u00efque utilise le courant solaire auto-produit pour les syst\u00e8mes de chauffage \u00e9lectriques et <strong>r\u00e9duit les co\u00fbts \u00e9nerg\u00e9tiques de 30 \u00e0 60 % %<\/strong>. La combinaison avec des pompes \u00e0 chaleur ou des radiateurs infrarouges est particuli\u00e8rement \u00e9conomique, car l'\u00e9lectricit\u00e9 autoproduite remplace l'\u00e9lectricit\u00e9 ch\u00e8re du r\u00e9seau et les combustibles fossiles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce post montre pourquoi <a href=\"https:\/\/cubeconcepts.de\/fr\/chauffage-des-halls-reduire-les-couts-augmenter-lefficacite\/\" type=\"post\" id=\"18576\">Chauffages modernes pour halls<\/a> rentable, quand cela convient et comment les entreprises peuvent utiliser les subventions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi le chauffage au photovolta\u00efque devient-il rentable<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En 2026, le tarif de rachat de l&#x27;\u00e9lectricit\u00e9 solaire se situera entre 7 et 9 ct\/kWh, tandis que l&#x27;\u00e9lectricit\u00e9 du r\u00e9seau co\u00fbtera entre 25 et 35 ct\/kWh. L&#x27;\u00e9lectricit\u00e9 photovolta\u00efque autoconsomm\u00e9e permet donc d&#x27;\u00e9conomiser entre 60 et 70 ct par kWh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>En outre,<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le prix du CO\u2082 augmente (actuellement entre 55 et 65 \u20ac\/tonne, libre \u00e9change \u00e0 partir de 2028)<\/li>\n\n\n\n<li>Les co\u00fbts du chauffage fossile explosent<\/li>\n\n\n\n<li>L'autoconsommation prot\u00e8ge contre les risques de prix<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9sultat<\/strong>: R\u00e9duction des frais de chauffage de 40 \u00e0 60 %, amortissement en 5 \u00e0 10 ans.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quels syst\u00e8mes de chauffage conviennent au PV ?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pompes \u00e0 chaleur<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Id\u00e9al pour<\/strong>: Bureaux bien isol\u00e9s, halls avec chauffage par le sol, eau chaude.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Avantages<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Haut rendement (COP 3-5) : 1 kWh d'\u00e9lectricit\u00e9 \u2192 3-5 kWh de chaleur<\/li>\n\n\n\n<li>Chauffage + Refroidissement dans un syst\u00e8me<\/li>\n\n\n\n<li>Temp\u00e9ratures de d\u00e9part basses (adapt\u00e9es au PV)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Co\u00fbts<\/strong>: 10 000 \u2013 25 000 \u20ac (selon la taille), aide pouvant atteindre 70 % (KfW 458)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Chauffages infrarouges<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Id\u00e9al pour<\/strong>Hautes salles, ateliers, entrep\u00f4ts \u2013 chaleur pr\u00e9cise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Avantages<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chaleur rayonnante directe (pas de chauffage par air)<\/li>\n\n\n\n<li>Installation facile (montage au plafond)<\/li>\n\n\n\n<li>Temps de pr\u00e9chauffage rapide, divisible par zone<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Co\u00fbts<\/strong>: 200 \u2013 4 000 \u20ac par appareil, faible entretien<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9conomie : chauffage solaire PV vs. gaz<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Exemple<\/strong>: Halle de 500 m\u00b2, besoin de chauffage de 50 000 kWh\/an en fonctionnement 24h\/24<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Syst\u00e8me<\/strong><\/td><td><strong>Co\u00fbts annuels<\/strong><\/td><td><strong>\u00c9conomie vs Gaz<\/strong><\/td><td><strong>Amortissement<\/strong><\/td><\/tr><tr><td>Chauffage au gaz<\/td><td>7 500 \u20ac (15 ct\/kWh)<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td>Pompe \u00e0 chaleur + PV<\/td><td>3.500 \u20ac<\/td><td>4.000 \u20ac<\/td><td>6 \u2013 8 ans<\/td><\/tr><tr><td>Infrarouge + PV<\/td><td>4.500 \u20ac<\/td><td>3.000 \u20ac<\/td><td>4 \u2013 6 ans<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Pour quelles entreprises cela vaut-il la peine ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Appropri\u00e9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Restaurateur de b\u00e2timents<\/strong>: PV + pompe \u00e0 chaleur lors de la r\u00e9novation du toit<\/li>\n\n\n\n<li><strong>Nouvelle construction<\/strong>Planification d'un syst\u00e8me de chauffage basse temp\u00e9rature associ\u00e9 \u00e0 du photovolta\u00efque<\/li>\n\n\n\n<li><strong>Propri\u00e9taire de PV<\/strong>: Utiliser l'exc\u00e9dent de courant au lieu de l'injecter<\/li>\n\n\n\n<li><strong>G\u00e9rant de hall<\/strong>Infrarouge pour les charges de pointe<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Optimal pour :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Forte consommation d'\u00e9lectricit\u00e9 pendant la journ\u00e9e<\/li>\n\n\n\n<li>Bonne isolation (pompe \u00e0 chaleur)<\/li>\n\n\n\n<li>Hautes pi\u00e8ces (infrarouges)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mise \u00e0 niveau : \u00e9tape par \u00e9tape<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Analyse<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00e9terminer les besoins en chauffage (kWh\/an) <\/li>\n\n\n\n<li>V\u00e9rifier le potentiel PV (kWc) <\/li>\n\n\n\n<li>Analyse de rentabilit\u00e9<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Choix du syst\u00e8me<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pompe \u00e0 chaleur : COP &gt; 3,5, d\u00e9part &lt; 35 \u00b0C <\/li>\n\n\n\n<li>Infrarouge : densit\u00e9 de puissance 100\u2013200 W\/m\u00b2 <\/li>\n\n\n\n<li><a href=\"https:\/\/cubeconcepts.de\/fr\/produits\/cube-efficiencyunit\/\" type=\"page\" id=\"18381\">Syst\u00e8me de gestion de l'\u00e9nergie<\/a> (EMS) pour contr\u00f4le PV<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Financement et soutien<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>KfW 458 : jusqu&#x27;\u00e0 70 % de subvention <\/li>\n\n\n\n<li>Contracting : 0 \u20ac de fonds propres <\/li>\n\n\n\n<li>Conseil BAFA : subvention pour 50 \u00e0 80 %<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. Installation<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Phase par phase (pas d'interruption d'exploitation) <\/li>\n\n\n\n<li>Int\u00e9gration PV (Compensation \u00e0 z\u00e9ro) <\/li>\n\n\n\n<li>R\u00e9ception technique<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Avantages en un coup d'\u0153il<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Avantage<\/strong><\/td><td><strong>Pompe \u00e0 chaleur + PV<\/strong><\/td><td><strong>Infrarouge + PV<\/strong><\/td><\/tr><tr><td>Efficacit\u00e9<\/td><td>COP 3-5<\/td><td>Rayonnement direct<\/td><\/tr><tr><td>Co\u00fbts \/ an<\/td><td>Bas<\/td><td>gering je nach Intensit\u00e4t<\/td><\/tr><tr><td>Promotion<\/td><td>\u00c9lev\u00e9 (70 %)<\/td><td>Moyen<\/td><\/tr><tr><td>Flexibilit\u00e9<\/td><td>Central<\/td><td>Exactement<\/td><\/tr><tr><td>\u00c9conomie de CO\u2082<\/td><td>Tr\u00e8s haut<\/td><td>Haut<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Cadre juridique 2026<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s le nouveau <strong>Loi sur le chauffage (<a href=\"https:\/\/cubeconcepts.de\/fr\/du-gev-a-la-gmg\/\" type=\"post\" id=\"27258\">GMG<\/a>)<\/strong> Alors que les chauffages fossiles sont toujours autoris\u00e9s, le prix du CO\u2082 (actuellement 55 \u00e0 65 \u20ac\/t et consid\u00e9rablement plus \u00e0 l'avenir) les rend plus chers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avantages chauffage PV :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aucune obligation de gaz vert <\/li>\n\n\n\n<li>Ind\u00e9pendamment de l'\u00e9volution des prix du CO\u2082<\/li>\n\n\n\n<li>Financement garanti jusqu'en 2029<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Le chauffage avec PV est-il rentable ?<\/summary>\n<p class=\"wp-block-paragraph\">Oui, pour une autoconsommation &gt; 50% : r\u00e9duction des co\u00fbts de 40 \u00e0 60% par rapport au gaz et \u00e0 l&#x27;\u00e9lectricit\u00e9 du r\u00e9seau.<\/p>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Pompe \u00e0 chaleur ou infrarouge?<\/summary>\n<p class=\"wp-block-paragraph\">Pompe \u00e0 chaleur pour pi\u00e8ces basses et isol\u00e9es, infrarouge pour les halls.<\/p>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Quel est le montant de la subvention ?<\/summary>\n<p class=\"wp-block-paragraph\">KfW 458 : jusqu&#x27;\u00e0 70 % pour les pompes \u00e0 chaleur, 0 % de TVA sur les installations photovolta\u00efques.<\/p>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Ai-je besoin d'un EMS ?<\/summary>\n<p class=\"wp-block-paragraph\">Oui, pour une utilisation optimale du PV et une \u00e9ligibilit\u00e9 aux subventions.<\/p>\n<\/details>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/cubeconcepts.de\/fr\/categorie\/themes-photovoltaiques\/\">Retour \u00e0 l'aper\u00e7u<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Le chauffage photovolta\u00efque permet de r\u00e9duire les co\u00fbts \u00e9nerg\u00e9tiques de 30 \u00e0 60 %, car l&#x27;\u00e9lectricit\u00e9 autoproduite remplace l&#x27;achat co\u00fbteux d&#x27;\u00e9lectricit\u00e9 sur le r\u00e9seau et les combustibles fossiles. Alors que les pompes \u00e0 chaleur s\u00e9duisent par leur haut rendement (COP de 3 \u00e0 5), les chauffages infrarouges offrent, dans les grands halls, une chaleur rayonnante cibl\u00e9e, avec des co\u00fbts d&#x27;installation r\u00e9duits et une grande flexibilit\u00e9.<\/p>","protected":false},"author":3,"featured_media":18560,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62,25],"tags":[],"class_list":["post-18526","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mobilitaet-klimatisierung-sektorenkopplung","category-photovoltaik"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Heizen mit Photovoltaik: W\u00e4rmepumpe + PV \u2013 Wirtschaftlichkeit | CUBE CONCEPTS<\/title>\n<meta name=\"description\" content=\"Heizen mit Solarstrom: W\u00e4rmepumpe oder Infrarot? 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