{"id":1166,"date":"2023-07-20T22:18:34","date_gmt":"2023-07-20T22:18:34","guid":{"rendered":"https:\/\/planitpower.com\/?p=1166"},"modified":"2023-07-20T22:18:45","modified_gmt":"2023-07-20T22:18:45","slug":"pompes-a-chaleur-quen-est-il-de-leur-rentabilite","status":"publish","type":"post","link":"https:\/\/planitpower.com\/fr\/pompes-a-chaleur-quen-est-il-de-leur-rentabilite\/","title":{"rendered":"Pompe a chaleur: Quid la rentabilit\u00e9"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/masterelectrical.com\/wp-content\/uploads\/2021\/10\/heat-pump-scaled.jpeg?w=1170&#038;ssl=1\" alt=\"\"\/><\/figure>\n\n\n\n<p>La rentabilit\u00e9 des pompes \u00e0 chaleur reste encore une question \u00e9nigmatique pour certaines personnes qui ont l'intention d'investir dans ce type de g\u00e9n\u00e9rateur de chaleur et froid pour leurs maisons ou b\u00e2timents.<\/p>\n\n\n\n<p>Les pompes \u00e0 chaleur sont une technologie cl\u00e9 pour les b\u00e2timents durables et pour les m\u00e9nages qui recherchent une solution plus rentable mais aussi plus propre pour chauffer leurs b\u00e2timents en hiver et les rafra\u00eechir en \u00e9t\u00e9.<\/p>\n\n\n\n<p>Beaucoup de gens ignorent encore comment fonctionne cette technologie et pourquoi il vaut la peine de s'y investir. Dans cet article, nous allons donner une explication claire et vulgaris\u00e9 sur le fonctionnement des pompes \u00e0 chaleur, et pourquoi nous les consid\u00e9rons comme une technologie propre et fiable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comment elles fonctionnent?<\/h2>\n\n\n\n<p>Une pompe \u00e0 chaleur est compos\u00e9e de quatre \u00e9l\u00e9ments principaux : Le condenseur, l'\u00e9vaporateur, le compresseur et le d\u00e9tendeur. Un r\u00e9frig\u00e9rant circule dans ces quatre composants principaux pour assurer le transfert de chaleur de la source \u00e0 l'autre c\u00f4t\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"840\" height=\"480\" src=\"https:\/\/i0.wp.com\/planitpower.com\/wp-content\/uploads\/2023\/07\/vector-heat-pump-system.jpg?resize=840%2C480&#038;ssl=1\" alt=\"\" class=\"wp-image-1167\"\/><\/figure>\n\n\n\n<p>Le mode op\u00e9ratoire des pompes a chaleur a compression est bas\u00e9 sur deux \u00e9tapes principales:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Extraction de chaleur de la source froide<\/li>\n<\/ul>\n\n\n\n<p>La chaleur est puis\u00e9 d'une source de chaleur via l'\u00e9vaporateur. Cette source de chaleur peut \u00eatre l'air, <a href=\"https:\/\/planitpower.com\/fr\/2022\/04\/18\/geothermal-heat-pump-cost-pros-and-cons-of-switching-to-green-power\/\">sol<\/a>, eau, chaleur perdue. Un fluide frigorig\u00e8ne transf\u00e8re les calories extraites au condenseur \u00e0 l&#039;aide d&#039;un compresseur. Le compresseur joue le r\u00f4le d&#039;une pompe qui augmente la pression et assure la circulation du fluide frigorig\u00e8ne. Le d\u00e9tendeur r\u00e9duit ult\u00e9rieurement la pression selon le cycle de conception de la pompe \u00e0 chaleur.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Evacuation de chaleur vers la source chaude<\/li>\n<\/ul>\n\n\n\n<p>Le r\u00e9frig\u00e9rant lib\u00e8re son \u00e9nergie dans le condenseur, qui la transf\u00e8re au syst\u00e8me de chauffage. Il peut s'agir de syst\u00e8mes \u00e0 air puls\u00e9 tels que les centrales de traitement d'air ou les syst\u00e8mes splits VRV int\u00e9rieurs, ou de syst\u00e8mes hydroniques tels que les radiateurs et les planchers chauffants. Le r\u00e9frig\u00e9rant passe ensuite par le d\u00e9tendeur qui diminue sa pression et le refroidit compl\u00e8tement jusqu'\u00e0 l'\u00e9tat liquide.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourqu'oi les pompes a chaleur sont rentable a s'y investir?<\/h2>\n\n\n\n<p>Une pompe \u00e0 chaleur a une fonction principale : extraire les calories d'une source de chaleur et les transf\u00e9rer au syst\u00e8me de distribution de chaleur de votre b\u00e2timent. Une pompe \u00e0 chaleur peut \u00e9galement inverser son cycle et donc refroidir le b\u00e2timent. Cette derni\u00e8re configuration et sa faisabilit\u00e9 d\u00e9pendent g\u00e9n\u00e9ralement de l'\u00e9chelle du projet, et principalement si vos \u00e9quipements terminaux de chauffage peuvent \u00e9galement refroidir votre int\u00e9rieur.<\/p>\n\n\n\n<p>Le compresseur joue un r\u00f4le cl\u00e9 car il maintient la circulation du r\u00e9frig\u00e9rant dans la pompe \u00e0 chaleur. Pour assurer cette fonction, le compresseur convertit l'\u00e9nergie \u00e9lectrique en \u00e9nergie m\u00e9canique. <\/p>\n\n\n\n<p>Le compresseur consommant de l'\u00e9nergie \u00e9lectrique, vaut-il vraiment la peine d'investir dans une pompe \u00e0 chaleur ?<\/p>\n\n\n\n<p>Une pompe \u00e0 chaleur consomme donc de l'\u00e9lectricit\u00e9 pour produire la chaleur n\u00e9cessaire au chauffage d'un b\u00e2timent. Mais le rapport entre la quantit\u00e9 d'\u00e9nergie \u00e9lectrique et l'\u00e9nergie thermique est assez \u00e9lev\u00e9, ce qui ne laisse aucun doute sur la rentabilit\u00e9 d'une pompe \u00e0 chaleur. Ce rapport appel\u00e9 coefficient de performance (COP) d'une pompe \u00e0 chaleur peut varier en fonction de la source de chaleur et du mod\u00e8le de la pompe \u00e0 chaleur. Il existe deux types de COP :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>COP : Le COP est le rapport entre la production de chaleur cot\u00e9 condenseur (kW) et la puissance \u00e9lectrique absorb\u00e9 par le compresseur  (kW). Le COP doit diminuer si la temp\u00e9rature d'entr\u00e9e disponible baisse. C'est ce qui explique la fluctuation du COP pendant la saison de chauffage.<\/li>\n\n\n\n<li>FPS : Le FPS ou aussi nomm\u00e9 coefficient de performance saisonnier SCOP est le coefficient de performance (COP) moyen d'une pompe \u00e0 chaleur sur l'ensemble de la saison de chauffage. Ce facteur est le meilleur indicateur comparatif des pompes \u00e0 chaleur et de leur rentabilit\u00e9, mais il est plus difficile \u00e0 quantifier. Le SPF ou SCOP est estim\u00e9 via une simulation thermique, ou via un syst\u00e8me de comptabilit\u00e9 \u00e9nerg\u00e9tique en phase de post-installation.<\/li>\n<\/ul>\n\n\n\n<p>Tableau avec COP saisonnier en fonction de la source de chaleur <\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Type de pompe \u00e0 chaleur<\/td><td>COP saisonnier<\/td><\/tr><tr><td>Air-Eau<\/td><td>2.5-3<\/td><\/tr><tr><td>Eau-Eau<\/td><td>4-4.5<\/td><\/tr><tr><td>Eaux souterraines<\/td><td>3.5-4<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">* source: https:\/\/www.bosch-homecomfort.com\/<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion:<\/h2>\n\n\n\n<p>Un investissement dans des pompes \u00e0 chaleur n'est plus une question de rentabilit\u00e9, mais de choix optimal. Choisir la meilleure pompe \u00e0 chaleur pour votre b\u00e2timent peut \u00eatre un casse-t\u00eate, car diff\u00e9rents param\u00e8tres entrent en ligne de compte. Il est recommand\u00e9 de consulter un professionnel avant de prendre une d\u00e9cision d'achat. Pour les projets de moyenne et grande envergure, l'intervention d'un bureau d'\u00e9tudes est absolument n\u00e9cessaire pour la conception et l'implantation d'un syst\u00e8me de chauffage du b\u00e2timent incluant la pompe \u00e0 chaleur. <\/p>","protected":false},"excerpt":{"rendered":"<p>Heat pumps rentability has still secrets for some people who intend to invest in it as a heating source for their buildings. Heat pumps are a key technology for sustainable buildings and for households aiming for more profitable but also clean solution to heat their buildings at winter, and also to cool it down in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[12,11],"tags":[],"class_list":{"0":"post-1166","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-clean-tech","7":"category-energy-efficiency"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Heat Pumps: What about their rentability? 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These water-to-water heat pumps operate autonomously, using energy from a centralized low-temperature heating loop or water circuit. 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