{"id":6471,"date":"2026-05-10T17:26:21","date_gmt":"2026-05-10T09:26:21","guid":{"rendered":"https:\/\/www.china-heatpump.com\/?post_type=heatpump_faqs&#038;p=6471"},"modified":"2026-05-10T17:50:19","modified_gmt":"2026-05-10T09:50:19","slug":"how-does-the-evi-heat-pump-unit-achieve-better-performance-in-cold-weather","status":"publish","type":"heatpump_faqs","link":"https:\/\/www.china-heatpump.com\/fr\/heatpump_faqs\/how-does-the-evi-heat-pump-unit-achieve-better-performance-in-cold-weather\/","title":{"rendered":"Comment la pompe \u00e0 chaleur EVI est-elle plus performante par temps froid ?"},"content":{"rendered":"<p>Les pompes \u00e0 chaleur Kolant EVI (Enhanced Vapor Injection) offrent des performances exceptionnelles \u00e0 basse temp\u00e9rature gr\u00e2ce \u00e0 un cycle de r\u00e9frig\u00e9ration optimis\u00e9 et \u00e0 des am\u00e9liorations structurelles sp\u00e9ciales.<\/p>\n<p>Premi\u00e8rement, elle adopte une <strong>Compresseur \u00e0 injection de vapeur am\u00e9lior\u00e9 EVI avec \u00e9conomiseur<\/strong>. Contrairement \u00e0 la compression ordinaire \u00e0 un \u00e9tage, il injecte de la vapeur de r\u00e9frig\u00e9rant interm\u00e9diaire \u00e0 basse temp\u00e9rature dans la chambre de compression du compresseur. Cela permet d'obtenir un effet de compression quasi bi-\u00e9tag\u00e9, de r\u00e9duire efficacement le taux de compression et d'\u00e9viter la surchauffe du compresseur et l'affaiblissement de la puissance dans des conditions glaciales.<\/p>\n<p>Deuxi\u00e8mement, <strong>la technologie d'injection de vapeur<\/strong> augmente l'enthalpie globale du syst\u00e8me. Elle compl\u00e8te la capacit\u00e9 de chauffage, ce qui r\u00e9duit consid\u00e9rablement la baisse de performance dont souffrent les pompes \u00e0 chaleur conventionnelles par temps froid. L'unit\u00e9 peut maintenir une puissance de chauffage stable et \u00e9lev\u00e9e m\u00eame \u00e0 une temp\u00e9rature comprise entre -25 \u00b0C et -30 \u00b0C.<\/p>\n<p>En outre, il est \u00e9quip\u00e9 de <strong>composants de base r\u00e9sistants aux basses temp\u00e9ratures<\/strong>, Le syst\u00e8me d'\u00e9change de chaleur est optimis\u00e9 et le syst\u00e8me de lubrification r\u00e9sistant au froid est am\u00e9lior\u00e9. Ces conceptions garantissent une circulation fluide du r\u00e9frig\u00e9rant et un fonctionnement fiable de l'unit\u00e9 \u00e0 des temp\u00e9ratures ambiantes extr\u00eamement basses.<\/p>\n<p>Gr\u00e2ce aux am\u00e9liorations susmentionn\u00e9es, les pompes \u00e0 chaleur EVI conservent un COP \u00e9lev\u00e9 et une efficacit\u00e9 de chauffage stable dans les climats froids, ce qui r\u00e9sout parfaitement le probl\u00e8me de la mauvaise r\u00e9sistance au froid des pompes \u00e0 chaleur ordinaires.<\/p>","protected":false},"featured_media":6152,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"categories":[],"faqcat":[397],"class_list":["post-6471","heatpump_faqs","type-heatpump_faqs","status-publish","has-post-thumbnail","hentry","faqcat-heat-pump-faqs"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.china-heatpump.com\/fr\/wp-json\/wp\/v2\/heatpump_faqs\/6471","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.china-heatpump.com\/fr\/wp-json\/wp\/v2\/heatpump_faqs"}],"about":[{"href":"https:\/\/www.china-heatpump.com\/fr\/wp-json\/wp\/v2\/types\/heatpump_faqs"}],"version-history":[{"count":0,"href":"https:\/\/www.china-heatpump.com\/fr\/wp-json\/wp\/v2\/heatpump_faqs\/6471\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.china-heatpump.com\/fr\/wp-json\/wp\/v2\/media\/6152"}],"wp:attachment":[{"href":"https:\/\/www.china-heatpump.com\/fr\/wp-json\/wp\/v2\/media?parent=6471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.china-heatpump.com\/fr\/wp-json\/wp\/v2\/categories?post=6471"},{"taxonomy":"faqcat","embeddable":true,"href":"https:\/\/www.china-heatpump.com\/fr\/wp-json\/wp\/v2\/faqcat?post=6471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}