{"id":4650,"date":"2026-09-04T02:00:00","date_gmt":"2026-09-04T02:00:00","guid":{"rendered":"https:\/\/www.26yc.com\/ashrae-62-1-ventilation-energy-recovery\/"},"modified":"2026-10-08T23:36:10","modified_gmt":"2026-10-09T06:36:10","slug":"ashrae-62-1-ventilation-energy-recovery","status":"publish","type":"post","link":"https:\/\/www.26yc.com\/zh_cn\/ashrae-62-1-ventilation-energy-recovery\/","title":{"rendered":"ASHRAE 62.1 \u901a\u98ce\u4e0e\u80fd\u91cf\u56de\u6536"},"content":{"rendered":"<p><strong>ASHRAE 62.1-2022<\/strong> sets the minimum ventilation rates for acceptable indoor air quality, and its requirements directly drive how much outdoor air &mdash; and therefore how much recoverable energy &mdash; a system must handle. Energy recovery is the bridge between good ventilation and reasonable energy bills.<\/p>\n<h2>The Ventilation Rate Procedure<\/h2>\n<p>\u7b2c 6.2 \u8282\u91c7\u7528\u901a\u98ce\u7387\u8ba1\u7b97\u7a0b\u5e8f\u3002\u67d0\u7a7a\u95f4\u7684\u65b0\u98ce\u9700\u6c42\u4e3a\uff1a<\/p>\n<p style=\"padding:10px 14px;background:#f6f6f6;border-left:3px solid #c9a23a\">V<sub>bz<\/sub> = R<sub>p<\/sub> &times; P + R<sub>a<\/sub> &times; A<\/p>\n<p>\u5176\u4e2d R<sub>p<\/sub> \u4e3a\u4eba\u5747\u65b0\u98ce\u91cf\uff0cR<sub>a<\/sub> \u4e3a\u5355\u4f4d\u9762\u79ef\u6307\u6807\uff0cP \u4e3a\u4eba\u6570\uff0cA \u4e3a\u5730\u9762\u9762\u79ef\u3002\u8868 6.2.2.1 \u5217\u51fa\u4e86 R<sub>p<\/sub> \u548c R<sub>a<\/sub> \u9488\u5bf9\u6bcf\u79cd\u5360\u7528\u7c7b\u578b\u3002\u8f83\u9ad8\u7684 R<sub>p<\/sub> \u7684\u7a7a\u95f4\uff08\u6559\u5ba4\u3001\u4f53\u80b2\u9986\u3001\u5b9e\u9a8c\u5ba4\uff09\u4f1a\u5c06\u65b0\u98ce\u5360\u6bd4\u63a8\u9ad8\u81f3\u89e6\u53d1\u4ee5\u4e0b\u6761\u4ef6\u7684 70% \u9608\u503c\uff1a <a href=\"https:\/\/www.26yc.com\/zh_cn\/ashrae-90-1-heat-recovery-requirements\/\">ASHRAE 90.1 \u7684\u56de\u6536\u5f3a\u5236\u8981\u6c42<\/a>.<\/p>\n<h2>Why Recovery Pairs with 62.1<\/h2>\n<ul>\n<li>\u66f4\u591a\u65b0\u98ce\u610f\u5473\u7740\u66f4\u591a\u7684\u4f9b\u70ed\u4e0e\u4f9b\u51b7\u8d1f\u8377\u3002 <a href=\"https:\/\/www.26yc.com\/zh_cn\/membrane-energy-recovery-ventilation\/\">\u819c\u5f0f\u80fd\u91cf\u56de\u6536\u901a\u98ce\u673a<\/a> \u6216\u8f6c\u8f6e\u5c06\u5176\u4e2d\u5927\u90e8\u5206\u80fd\u91cf\u8fd4\u56de\u5230\u8fdb\u98ce\u6c14\u6d41\u4e2d\u3002<\/li>\n<li>62.1 \u8981\u6c42\u901a\u98ce\u4e0d\u5f97\u9020\u6210\u52a0\u538b\u95ee\u9898\u3002\u501f\u52a9\u56de\u6536\u82af\u4f53\u7684\u5e73\u8861\u5f0f\u9001\u6392\u98ce\u53ef\u4f7f\u5efa\u7b51\u4fdd\u6301\u63a5\u8fd1\u4e2d\u6027\u538b\u529b\u3002<\/li>\n<li>\u5728\u5173\u952e\u7a7a\u95f4\u4e2d\uff0c\u9694\u79bb\u81f3\u5173\u91cd\u8981\uff1a\u5b9e\u9a8c\u5ba4\u53ca <a href=\"https:\/\/www.26yc.com\/zh_cn\/cleanroom-hvac-heat-recovery\/\">\u6d01\u51c0\u5ba4<\/a> \u4f18\u5148\u9009\u7528\u65e0\u4ea4\u53c9\u6c61\u67d3\u7684\u819c\u5f0f\u82af\u4f53\uff0c\u800c\u975e\u65cb\u8f6c\u8f6c\u8f6e\u3002<\/li>\n<\/ul>\n<h2>Local Exhaust and Makeup Air<\/h2>\n<p>When a space has local exhaust (fume hoods, kitchens), 62.1 requires matching makeup air. That makeup air is a prime recovery candidate &mdash; but check the 90.1 exceptions for hazardous and grease exhaust before specifying a wheel.<\/p>\n<h2>Practical Sizing<\/h2>\n<p>\u4ece 62.1 \u7684\u8d39\u7387\u5f00\u59cb\uff0c\u7136\u540e\u8fd0\u884c\u4ee5\u4e0b <a href=\"https:\/\/www.26yc.com\/zh_cn\/ahu-selection-calculation\/\">AHU \u9009\u578b\u8ba1\u7b97<\/a> \u4ee5\u53ca <a href=\"https:\/\/www.26yc.com\/zh_cn\/ahu-components\/\">AHU \u7ec4\u4ef6<\/a> \u56de\u6536\u82af\u4f53\u4f4d\u4e8e\u6c14\u6d41\u4e2d\u7684\u5e03\u7f6e\u3002\u5148\u5bf9\u56de\u6536\u88c5\u7f6e\u9009\u578b\uff0c\u53ef\u8ba9\u60a8\u6839\u636e\u4ee5\u4e0b\u8d1f\u8377\u6b63\u786e\u786e\u5b9a\u51b7\u5374\u76d8\u7ba1\u548c\u52a0\u70ed\u76d8\u7ba1\u7684\u5c3a\u5bf8\uff1a <em>\u56de\u6536\u7684<\/em> \u8d1f\u8377\uff0c\u901a\u5e38\u53ef\u7701\u4e0b\u4e00\u7ea7\u8bbe\u5907\u89c4\u683c\u3002<\/p>\n<h2>\u5e38\u89c1\u95ee\u9898<\/h2>\n<p><strong>How does ASHRAE 62.1 drive energy recovery?<\/strong><br \/>Its ventilation rates set how much outdoor air a system must condition, and that outdoor air is the recoverable energy a wheel or membrane can reclaim.<\/p>\n<p><strong>What is the Ventilation Rate Procedure?<\/strong><br \/>A method using per-person and per-area outdoor-air rates multiplied by occupants and floor area to set the space requirement.<\/p>\n<p><strong>How does 62.1 relate to 90.1 recovery mandates?<\/strong><br \/>High outdoor-air fractions from 62.1 can push a system above the 70% threshold that triggers 90.1&#039;s recovery requirement.<\/p>\n<p><strong>Why size recovery before the coil?<\/strong><br \/>Sizing the core first lets the cooling and heating coils be right-sized on the recovered load, often saving an equipment size.<\/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\/heat-pipe-heat-exchanger\/\" title=\"\u70ed\u7ba1\u6362\u70ed\u5668\uff1a\u88ab\u52a8\u70ed\u4f20\u8f93\">\u70ed\u7ba1\u6362\u70ed\u5668\uff1a\u88ab\u52a8\u70ed\u4f20\u8f93<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>ASHRAE 62.1-2022 sets the minimum ventilation rates for acceptable indoor air quality, and its requirements directly drive how much outdoor air &mdash; and therefore how much recoverable energy &mdash; a system must handle. Energy recovery is the bridge between good ventilation and reasonable energy bills. The Ventilation Rate Procedure Section 6.2 uses the Ventilation Rate [&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":[182,214,216],"class_list":["post-4650","post","type-post","status-publish","format-standard","hentry","category-encyclopedia","category-standards-codes","tag-energy-recovery","tag-standards","tag-ventilation"],"_links":{"self":[{"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/posts\/4650","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=4650"}],"version-history":[{"count":2,"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/posts\/4650\/revisions"}],"predecessor-version":[{"id":5197,"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/posts\/4650\/revisions\/5197"}],"wp:attachment":[{"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/media?parent=4650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/categories?post=4650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.26yc.com\/zh_cn\/wp-json\/wp\/v2\/tags?post=4650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}