{"id":5995,"date":"2026-04-28T20:58:10","date_gmt":"2026-04-28T12:58:10","guid":{"rendered":"https:\/\/www.china-heatpump.com\/?p=5995"},"modified":"2026-05-04T17:00:23","modified_gmt":"2026-05-04T09:00:23","slug":"how-does-the-evi-heat-pump-unit-achieve-better-performance-in-cold-weather","status":"publish","type":"post","link":"https:\/\/www.china-heatpump.com\/de\/how-does-the-evi-heat-pump-unit-achieve-better-performance-in-cold-weather\/","title":{"rendered":"Wie erreicht die EVI-W\u00e4rmepumpeneinheit eine bessere Leistung bei kaltem Wetter?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5995\" class=\"elementor elementor-5995\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9887b53 e-flex e-con-boxed e-con e-parent\" data-id=\"9887b53\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f13ee22 elementor-widget elementor-widget-text-editor\" data-id=\"f13ee22\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div>Answer: Kolant EVI (Enhanced Vapor Injection) heat pumps realize outstanding low-temperature performance via optimized refrigeration cycle and special structural upgrades.<\/div><div>\u00a0<\/div><div>Erstens wird ein <strong>EVI enhanced vapor injection compressor<\/strong> with an economizer. Different from ordinary single-stage compression, it injects intermediate low-temperature refrigerant vapor into the compressor\u2019s compression chamber. This achieves a quasi two-stage compression effect, effectively reducing the compression ratio and avoiding compressor overheating and power attenuation in frigid conditions.<\/div><div>\u00a0<\/div><div>Second, the vapor injection technology increases the overall enthalpy of the system. It supplements heating capacity, greatly weakening the performance drop that conventional heat pumps suffer in cold weather. The unit can maintain stable and strong heating output even at -25\u00b0C to -30\u00b0C.<\/div><div>\u00a0<\/div><div>In addition, it is equipped with low-temperature resistant core components, enhanced cold-resistant lubrication system and optimized heat exchange structure. These designs ensure smooth refrigerant circulation and reliable unit operation under extreme low ambient temperature.<\/div><div>\u00a0<\/div><div>Dank der oben genannten Verbesserungen bieten EVI-W\u00e4rmepumpen auch in kalten Klimazonen einen hohen COP-Wert und eine stabile Heizleistung und l\u00f6sen damit das Problem der geringen K\u00e4ltebest\u00e4ndigkeit herk\u00f6mmlicher W\u00e4rmepumpen auf perfekte Weise.<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Answer: Kolant EVI (Enhanced Vapor Injection) heat pumps realize outstanding low-temperature performance via optimized refrigeration cycle and special structural upgrades.\u00a0First, [&hellip;]<\/p>","protected":false},"author":2,"featured_media":6152,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","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 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