{"id":1189,"date":"2013-01-17T10:16:48","date_gmt":"2013-01-17T09:16:48","guid":{"rendered":"https:\/\/www.mydatec.com\/?page_id=1189"},"modified":"2021-12-01T14:52:27","modified_gmt":"2021-12-01T13:52:27","slug":"pourquoi-le-cop-augmente-quand-le-temps-diminue","status":"publish","type":"page","link":"https:\/\/www.mydatec.com\/fr\/pourquoi-le-cop-augmente-quand-le-temps-diminue\/","title":{"rendered":"20. COP VMC"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling ctnr-top-h1-classique\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column col-texte\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;\"><h1 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">COP VMC<\/h1><\/div><div class=\"fusion-text fusion-text-1\" style=\"--awb-text-transform:none;\"><h2>Pourquoi le COP augmente quand la temp\u00e9rature diminue ?<\/h2>\n<p>C\u2019est une des caract\u00e9ristiques singuli\u00e8res des pompes \u00e0 chaleur qui travaillent \u00e0 100% sur l\u2019air extrait comme le produit RT de MyDATEC . En effet dans ce type de pompe \u00e0 chaleur, la temp\u00e9rature de la source de calories est une temp\u00e9rature assez stable de l\u2019ordre de 20\u00b0C (Temp\u00e9rature int\u00e9rieure). Cet air de 20\u00b0c rencontre la batterie froide de la pompe \u00e0 chaleur qui lui pr\u00e9l\u00e8ve ses calories. Du c\u00f4t\u00e9 de l\u2019air neuf, si nous prenons une temp\u00e9rature de l\u2019ordre de +7\u00b0c, nous avons un \u00e9chauffement de cet air en traversant la batterie chaude de la pompe \u00e0 chaleur dont le fluide est \u00e0 une temp\u00e9rature de l\u2019ordre de 60\u00b0c. Dans le cas o\u00f9 la temp\u00e9rature de l\u2019air neuf diminue, par exemple de -7\u00b0c, le transfert thermique entre l\u2019air neuf plus froid et la batterie chaude de la pompe \u00e0 chaleur est meilleur que dans le cas de l\u2019air neuf \u00e0 une temp\u00e9rature de + 7\u00b0c car le gradient de temp\u00e9rature est plus important. Le transfert \u00e9tant meilleur, la production de calories en sortie est meilleure pour une consommation \u00e9lectrique \u00e9quivalente, ce qui explique l\u2019augmentation de la performance et donc du COP avec la baisse de la temp\u00e9rature ext\u00e9rieure.<\/p>\n<\/div><div class=\"fusion-text fusion-text-2\" style=\"--awb-text-transform:none;\"><h3>Nota :<\/h3>\n<p>En comparaison, les pompes \u00e0 chaleur les plus connues puisent leurs calories dans l\u2019air ext\u00e9rieur. La temp\u00e9rature ext\u00e9rieure diminuant, les calories sont plus difficiles \u00e0 r\u00e9cup\u00e9rer, c\u2019est la raison pour laquelle le COP diminue lorsque la temp\u00e9rature ext\u00e9rieure diminue. En revanche, compte-tenu des volumes d\u2019air importants brass\u00e9s sur ce type d\u2019appareil, les pompes \u00e0 chaleur sur l\u2019air ext\u00e9rieur peuvent proposer des puissances de chauffage beaucoup plus importantes que les pompes \u00e0 chaleur sur l\u2019air extrait. La puissance de ces derni\u00e8res restent limit\u00e9e car elle d\u00e9pend du d\u00e9bit de ventilation disponible, d\u00e9finit en fonction de la taille et de la destination du logement.<\/p>\n<p><em>F. Lavogiez (\u00c9tude 2012) \u2013 Dir Technique MyDATEC<\/em><\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":26,"comment_status":"closed","ping_status":"open","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-1189","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>COP VMC double flux MyDATEC<\/title>\n<meta name=\"description\" content=\"COP VMC double flux thermodynamique MyDATEC pompe \u00e0 chaleur ventilation air extrait\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mydatec.com\/fr\/pourquoi-le-cop-augmente-quand-le-temps-diminue\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"COP VMC double flux MyDATEC\" \/>\n<meta property=\"og:description\" content=\"COP VMC double flux thermodynamique MyDATEC pompe \u00e0 chaleur ventilation air extrait\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mydatec.com\/fr\/pourquoi-le-cop-augmente-quand-le-temps-diminue\/\" \/>\n<meta property=\"og:site_name\" content=\"MyDATEC\" \/>\n<meta property=\"article:modified_time\" content=\"2021-12-01T13:52:27+00:00\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.mydatec.com\\\/fr\\\/pourquoi-le-cop-augmente-quand-le-temps-diminue\\\/\",\"url\":\"https:\\\/\\\/www.mydatec.com\\\/fr\\\/pourquoi-le-cop-augmente-quand-le-temps-diminue\\\/\",\"name\":\"COP VMC double flux MyDATEC\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.mydatec.com\\\/fr\\\/#website\"},\"datePublished\":\"2013-01-17T09:16:48+00:00\",\"dateModified\":\"2021-12-01T13:52:27+00:00\",\"description\":\"COP VMC double flux thermodynamique MyDATEC pompe \u00e0 chaleur ventilation air extrait\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.mydatec.com\\\/fr\\\/pourquoi-le-cop-augmente-quand-le-temps-diminue\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.mydatec.com\\\/fr\\\/pourquoi-le-cop-augmente-quand-le-temps-diminue\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.mydatec.com\\\/fr\\\/pourquoi-le-cop-augmente-quand-le-temps-diminue\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/www.mydatec.com\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"20. 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