{"id":4655,"date":"2026-09-09T02:00:00","date_gmt":"2026-09-09T02:00:00","guid":{"rendered":"https:\/\/www.26yc.com\/heat-recovery-effectiveness-standards\/"},"modified":"2026-10-08T23:36:10","modified_gmt":"2026-10-09T06:36:10","slug":"heat-recovery-effectiveness-standards","status":"publish","type":"post","link":"https:\/\/www.26yc.com\/zh_cn\/heat-recovery-effectiveness-standards\/","title":{"rendered":"\u70ed\u56de\u6536\u6548\u7387\u6d4b\u8bd5\u6807\u51c6"},"content":{"rendered":"<p>&ldquo;Effectiveness&rdquo; is the number every code and rating system quotes, but the value only means something if the test method is stated. This article maps the main <strong>heat recovery effectiveness test standards<\/strong> \u4ee5\u53ca\u5b83\u4eec\u5982\u4f55\u5b9a\u4e49\u8be5\u6307\u6807\u3002<\/p>\n<h2>Definitions<\/h2>\n<ul>\n<li><strong>\u663e\u70ed\u6548\u7387<\/strong> &eta;<sub>s<\/sub> = (T<sub>\u9001\u98ce<\/sub> &minus; T<sub>\u5ba4\u5916<\/sub>) \/ (T<sub>\u6392\u98ce<\/sub> &minus; T<sub>\u5ba4\u5916<\/sub>).<\/li>\n<li><strong>\u7113\uff08\u5168\u70ed\uff09\u6548\u7387<\/strong> &eta;<sub>t<\/sub> = (h<sub>\u9001\u98ce<\/sub> &minus; h<sub>\u5ba4\u5916<\/sub>) \/ (h<sub>\u6392\u98ce<\/sub> &minus; h<sub>\u5ba4\u5916<\/sub>\uff09\uff0c\u91c7\u7528\u6e7f\u7a7a\u6c14\u7113\u3002<\/li>\n<li><strong>\u6f5c\u70ed\u6548\u7387<\/strong> \u4ee5\u6e7f\u5ea6\u6bd4\u66ff\u4ee3\u7113\u3002<\/li>\n<\/ul>\n<h2>The Standards<\/h2>\n<table>\n<tr>\n<th>\u6807\u51c6<\/th>\n<th>\u8303\u56f4<\/th>\n<\/tr>\n<tr>\n<td>EN 308<\/td>\n<td>\u7a7a\u6c14-\u7a7a\u6c14\u548c\u70df\u6c14\u70ed\u56de\u6536\u88c5\u7f6e\u7684\u8bd5\u9a8c\u7a0b\u5e8f\uff08\u663e\u70ed\u4e0e\u6f5c\u70ed\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td>EN 13053<\/td>\n<td>\u7a7a\u6c14\u5904\u7406\u673a\u7ec4\u7684\u989d\u5b9a\u4e0e\u6027\u80fd\uff0c\u5305\u62ec\u70ed\u56de\u6536\u6bb5\u548c\u538b\u529b\u635f\u5931\u3002<\/td>\n<\/tr>\n<tr>\n<td>EN 13141-7<\/td>\n<td>\u4f4f\u5b85\u673a\u68b0\u9001\u6392\u98ce\u6362\u6c14\u673a\u7ec4\u7684\u6027\u80fd\u6d4b\u8bd5\u3002<\/td>\n<\/tr>\n<tr>\n<td>AHRI 1060 \/ 1061<\/td>\n<td>Energy recovery ventilators &mdash; the method ASHRAE 90.1 references for its 50% minimum.<\/td>\n<\/tr>\n<\/table>\n<h2>Why the Method Matters<\/h2>\n<ul>\n<li>Test conditions differ: Ecodesign measures &eta;<sub>t<\/sub> at &minus;10 &deg;C, 0 &deg;C, and +10 &deg;C outdoor; ASHRAE uses design heating and cooling conditions.<\/li>\n<li>\u6309 AHRI 1060 \u8bc4\u5b9a\u4e3a75%\u7684\u8f6c\u8f6e\uff0c\u7531\u4e8e\u6cc4\u6f0f\u548c\u7ed3\u971c\u7684\u5904\u7406\u65b9\u5f0f\u4e0d\u540c\uff0c\u5728 EN 308 \u4e0b\u8bfb\u6570\u53ef\u80fd\u4e0d\u540c\u3002<\/li>\n<li>Pressure drop is part of the story &mdash; a more effective core that needs a bigger fan can erase the saving, which is why <a href=\"https:\/\/www.26yc.com\/zh_cn\/eu-ecodesign-ventilation-units\/\">\u751f\u6001\u8bbe\u8ba1 SFP \u9650\u503c<\/a> \u5c06\u6548\u7387\u4e0e\u98ce\u673a\u529f\u7387\u6346\u7ed1\u5728\u4e00\u8d77\u3002<\/li>\n<\/ul>\n<h2>Picking a Device Against the Numbers<\/h2>\n<p>Use the measured &eta;<sub>t<\/sub> \u6838\u67e5\u89c4\u8303\u4e0b\u9650\u65f6\u4ece\u76f8\u5173\u6807\u51c6\u5f15\u7528\u3002\u5bf9\u4e8e\u975e\u65cb\u8f6c\u5f0f\u5173\u952e\u901a\u98ce\uff0c\u6bd4\u8f83\u4e00\u79cd <a href=\"https:\/\/www.26yc.com\/zh_cn\/membrane-energy-recovery-ventilation\/\">\u819c\u82af\u4f53<\/a> \u4e0e\u4e00\u79cd <a href=\"https:\/\/www.26yc.com\/zh_cn\/enthalpy-recovery-vs-membrane\/\">\u8f6c\u8f6e<\/a> \u5728\u540c\u4e00\u8bd5\u9a8c\u57fa\u7840\u4e0a\uff0c\u5e76\u5c06\u538b\u964d\u7eb3\u5165\u4ee5\u4e0b\uff1a <a href=\"https:\/\/www.26yc.com\/zh_cn\/ahu-selection-calculation\/\">AHU \u9009\u578b\u8ba1\u7b97<\/a>.<\/p>\n<h2>\u5e38\u89c1\u95ee\u9898<\/h2>\n<p><strong>What is sensible effectiveness?<\/strong><br \/>The ratio of temperature change delivered to the supply air versus the temperature difference between extract and outdoor air.<\/p>\n<p><strong>What is enthalpy effectiveness?<\/strong><br \/>The same ratio using moist-air enthalpy, capturing both temperature and humidity recovery.<\/p>\n<p><strong>Which standards govern recovery testing?<\/strong><br \/>EN 308, EN 13053, and EN 13141-7 in Europe, and AHRI 1060 and 1061 referenced by ASHRAE 90.1.<\/p>\n<p><strong>Why does the test method matter?<\/strong><br \/>Different standards use different conditions and treat leakage and frost differently, so the same device can read differently, and pressure drop must also be considered.<\/p>\n<div class=\"yc-related\">\n<h3>\u76f8\u5173\u6587\u7ae0<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.26yc.com\/zh_cn\/mine-ventilation-heat-recovery\/\" title=\"\u77ff\u4e95\u901a\u98ce\u70ed\u56de\u6536\uff1a\u964d\u4f4e\u98ce\u673a\u8d1f\u8377\u4e0e\u7ed3\u971c\">\u77ff\u4e95\u901a\u98ce\u70ed\u56de\u6536\uff1a\u964d\u4f4e\u98ce\u673a\u8d1f\u8377\u4e0e\u7ed3\u971c<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>&ldquo;Effectiveness&rdquo; is the number every code and rating system quotes, but the value only means something if the test method is stated. This article maps the main heat recovery effectiveness test standards and how they define the metric. Definitions Sensible effectiveness &eta;s = (Tsupply &minus; Toutdoor) \/ (Textract &minus; Toutdoor). Enthalpy (total) effectiveness &eta;t = [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197,241],"tags":[213,162,214],"class_list":["post-4655","post","type-post","status-publish","format-standard","hentry","category-encyclopedia","category-standards-codes","tag-effectiveness","tag-heat-recovery","tag-standards"],"_links":{"self":[{"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/posts\/4655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/comments?post=4655"}],"version-history":[{"count":2,"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/posts\/4655\/revisions"}],"predecessor-version":[{"id":5187,"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/posts\/4655\/revisions\/5187"}],"wp:attachment":[{"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/media?parent=4655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/categories?post=4655"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/tags?post=4655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}