{"id":4200,"date":"2023-02-27T08:49:24","date_gmt":"2023-02-27T00:49:24","guid":{"rendered":"https:\/\/www.kcvents.com\/office-fresh-air-ventilation\/"},"modified":"2026-09-16T20:06:00","modified_gmt":"2026-09-16T12:06:00","slug":"office-fresh-air-ventilation","status":"publish","type":"post","link":"https:\/\/www.kcvents.com\/ar\/office-fresh-air-ventilation\/","title":{"rendered":"How to Get More Fresh Air in Your Office Without Freezing or Baking"},"content":{"rendered":"<h1 class=\"wp-block-heading\">How to Get More Fresh Air in Your Office Without Freezing or Baking<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Getting more fresh air in an office usually means supplying outdoor air through the ventilation system and exhausting stale air \u2014 and the trick is doing it without ruining the indoor temperature or running up the energy bill. The answer is balanced mechanical ventilation with heat recovery: fresh filtered air in, stale air out, with the heat recovered so the office stays comfortable. This guide explains the options for improving office fresh air at every level of budget.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">In This Guide<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.kcvents.com\/wp-content\/uploads\/2026\/08\/office-fresh-air-ventilation.webp\" alt=\"Office fresh air ventilation\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"#why-office-air-gets-stale\">Why Office Air Gets Stale<\/a><\/li><li><a href=\"#what-fresh-air-means-for-an-office\">What \u201cFresh Air\u201d Means for an Office<\/a><\/li><li><a href=\"#level-1-improve-natural-ventilation\">Level 1: Improve Natural Ventilation<\/a><\/li><li><a href=\"#level-2-exhaust-and-supply-fans\">Level 2: Exhaust and Supply Fans<\/a><\/li><li><a href=\"#level-3-balanced-ventilation-with-heat-recovery\">Level 3: Balanced Ventilation with Heat Recovery<\/a><\/li><li><a href=\"#putting-it-together\">Putting It Together<\/a><\/li><li><a href=\"#frequently-asked-questions\">Frequently Asked Questions<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Why Office Air Gets Stale<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.kcvents.com\/wp-content\/uploads\/2026\/08\/office-ventilation-system.webp\" alt=\"\u0646\u0638\u0627\u0645 \u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u0645\u0643\u0627\u062a\u0628\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">An office is a dense occupancy space: people, computers, printers, and cleaning products all add CO\u2082, particles, and VOCs to the air. In a modern, sealed office with limited ventilation, the CO\u2082 climbs during the day, and occupants feel drowsy and unfocused. The concentration is commonly worse in meeting rooms and open-plan zones near midday.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">According to the U.S. EPA, people spend about 90% of their time indoors, and concentrations of some indoor pollutants can be two to five times higher than outdoor levels. <a href=\"https:\/\/www.epa.gov\/indoor-air-quality-iaq\/inside-story-guide-indoor-air-quality\" target=\"_blank\" rel=\"noopener\">Source: U.S. EPA, The Inside Story: A Guide to Indoor Air Quality<\/a>. For an office, fresh-air supply is not a luxury \u2014 it is the difference between a productive afternoon and a stuffy one.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What \u201cFresh Air\u201d Means for an Office<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Three things together make an office feel fresh:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Outdoor air supply<\/strong> \u2014 enough fresh air to dilute CO\u2082 and pollutants.<\/li><li><strong>Exhaust<\/strong> \u2014 stale air (CO\u2082, odors, pollutants) actually leaving.<\/li><li><strong>Comfort<\/strong> \u2014 the fresh air arrives at a comfortable temperature, not as a draft or a furnace blast.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The standard guidance for how much outdoor air an office needs comes from ventilation codes (e.g., ASHRAE 62.1), which set outdoor-air rates based on occupancy and floor area. If your office feels stuffy, the first question is whether the fresh-air rate is actually being met \u2014 not whether someone should simply open a window.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Level 1: Improve Natural Ventilation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The cheapest steps, useful in mild weather or as a supplement:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Open windows cross-ventilated<\/strong> \u2014 inlet low on one side, outlet high opposite, so air flows through.<\/li><li><strong>Use CO\u2082 as a guide<\/strong> \u2014 a small CO\u2082 monitor tells you when the room is actually stale.<\/li><li><strong>Night purge<\/strong> \u2014 in mild seasons, open the office at night to flush out accumulated CO\u2082 and heat before staff arrive.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Limits: windows depend on weather, noise, and outdoor air quality, do not filter the air, and in winter or summer they fight the HVAC system. Natural ventilation is a supplement, not the office solution.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Level 2: Exhaust and Supply Fans<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When windows are not enough, add mechanical fans:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u0645\u0631\u0627\u0648\u062d \u0627\u0644\u0633\u062d\u0628 (\u0627\u0644\u0634\u0641\u0637)<\/strong> pull stale air out; fresh air enters through intake vents or fans.<\/li><li><strong>Supply fans<\/strong> push filtered fresh air in; stale air leaks out through exhaust paths.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This is simple and affordable, and it delivers real fresh air. But without heat recovery, the air you exhaust is conditioned air \u2014 in winter you are pumping heated air out, which raises the energy bill and can make the space drafty if the replacement air is cold.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Level 3: Balanced Ventilation with Heat Recovery<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The durable office solution is a balanced ventilation system with heat recovery (an HRV, or an ERV where humidity matters):<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u062a\u062c\u0644\u0628 \u0645\u0631\u0648\u062d\u0629 \u0627\u0644\u0625\u0645\u062f\u0627\u062f \u0647\u0648\u0627\u0621\u064b \u0646\u0642\u064a\u064b\u0627 \u0648\u0645\u0641\u0644\u062a\u0631\u064b\u0627.<\/li><li>\u062a\u0637\u0631\u062f \u0645\u0631\u0648\u062d\u0629 \u0627\u0644\u0639\u0627\u062f\u0645 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0631\u0627\u0643\u062f \u0628\u0645\u0639\u062f\u0644 \u0645\u062a\u0637\u0627\u0628\u0642.<\/li><li>\u064a\u0646\u0642\u0644 \u0642\u0644\u0628 \u0627\u0633\u062a\u0631\u062f\u0627\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u064e \u0628\u064a\u0646 \u0627\u0644\u0627\u062b\u0646\u064a\u0646\u060c \u0628\u062d\u064a\u062b \u064a\u0635\u0644 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a \u0645\u0639\u062a\u062f\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0633\u0628\u0642\u064b\u0627 \u2014 \u0628\u0644\u0627 \u062a\u062c\u0645\u062f\u060c \u0648\u0628\u0644\u0627 \u062d\u0631\u0627\u0631\u0629 \u0645\u0641\u0631\u0637\u0629\u060c \u0648\u0628\u0644\u0627 \u0647\u062f\u0631 \u0644\u0644\u0637\u0627\u0642\u0629.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0647\u0630\u0627 \u0647\u0648 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0630\u064a \u062a\u0635\u0641\u0647 \u0625\u0631\u0634\u0627\u062f\u0627\u062a \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0643\u0627\u062a\u0628\u060c \u064a\u062a\u0648\u0644\u0649 \u062c\u0647\u0627\u0632 ERV\/HRV \u062a\u062c\u0627\u0631\u064a \u0625\u0645\u062f\u0627\u062f \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u062e\u0627\u0631\u062c\u064a \u0628\u064a\u0646\u0645\u0627 \u064a\u062a\u0648\u0644\u0649 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0643\u064a\u064a\u0641 (HVAC) \u0627\u0644\u062d\u0627\u0644\u064a \u0636\u0628\u0637 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u2014 \u064a\u0639\u0645\u0644 \u0627\u0644\u0627\u062b\u0646\u0627\u0646 \u0645\u0639\u064b\u0627 \u0644\u0627 \u0636\u062f \u0628\u0639\u0636\u0647\u0645\u0627.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Putting It Together<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0643\u062a\u0628<\/th><th>\u0627\u0644\u0646\u0647\u062c \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647<\/th><\/tr><\/thead><tbody><tr><td>\u0637\u0642\u0633 \u0645\u0639\u062a\u062f\u0644\u060c \u0648\u0646\u0648\u0627\u0641\u0630 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0641\u062a\u062d<\/td><td>\u062a\u0647\u0648\u064a\u0629 \u0645\u062a\u0642\u0627\u0637\u0639\u0629 \u0637\u0628\u064a\u0639\u064a\u0629 + \u062c\u0647\u0627\u0632 \u0645\u0631\u0627\u0642\u0628\u0629 \u062b\u0627\u0646\u064a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CO\u2082)<\/td><\/tr><tr><td>\u0645\u064a\u0632\u0627\u0646\u064a\u0629 \u0645\u062d\u062f\u0648\u062f\u0629\u060c \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0647\u0648\u0627\u0621 \u062b\u0627\u0628\u062a\u0629<\/td><td>\u0645\u0631\u0627\u0648\u062d \u0639\u0627\u062f\u0645 + \u0625\u0645\u062f\u0627\u062f \u0645\u0641\u0644\u062a\u0631\u060c \u0645\u0639 \u062a\u0642\u0628\u0644 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0637\u0627\u0642\u0629<\/td><\/tr><tr><td>\u0645\u0643\u062a\u0628 \u0645\u062d\u0643\u0645 \u0627\u0644\u0625\u063a\u0644\u0627\u0642\u060c \u0627\u0644\u0631\u0627\u062d\u0629 + \u0627\u0644\u0637\u0627\u0642\u0629 \u0644\u0647\u0645\u0627 \u0627\u0644\u0623\u0647\u0645\u064a\u0629<\/td><td>\u0646\u0638\u0627\u0645 HRV\/ERV \u0645\u062a\u0648\u0627\u0632\u0646 \u0645\u0639 \u0627\u0633\u062a\u0631\u062f\u0627\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/td><\/tr><tr><td>\u0627\u0631\u062a\u0641\u0627\u0639 \u062b\u0627\u0646\u064a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CO\u2082) \u0641\u064a \u063a\u0631\u0641 \u0645\u062d\u062f\u062f\u0629<\/td><td>\u0627\u0644\u062a\u062d\u0643\u0645 \u062d\u0633\u0628 \u0627\u0644\u0637\u0644\u0628 \u2014 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0641\u064a \u0627\u0644\u0623\u0645\u0627\u0643\u0646 \u0627\u0644\u062a\u064a \u064a\u0631\u062a\u0641\u0639 \u0641\u064a\u0647\u0627 \u062b\u0627\u0646\u064a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CO\u2082)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u062e\u0637\u0648\u0627\u062a \u0639\u0645\u0644\u064a\u0629 \u0628\u063a\u0636 \u0627\u0644\u0646\u0638\u0631 \u0639\u0646 \u0627\u0644\u0646\u0638\u0627\u0645:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u0642\u064a\u0627\u0633 \u062b\u0627\u0646\u064a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CO\u2082)<\/strong> \u0641\u064a \u0623\u0633\u0648\u0623 \u0627\u0644\u063a\u0631\u0641 \u2014 \u0641\u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u062a\u062a\u0641\u0648\u0642 \u0639\u0644\u0649 \u0627\u0644\u062a\u062e\u0645\u064a\u0646.<\/li><li><strong>\u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u062a\u0647\u0648\u064a\u0629<\/strong> \u062e\u0644\u0627\u0644 \u0633\u0627\u0639\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u060c \u0648\u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644\u0647\u0627 \u0642\u0628\u0644 \u0633\u0627\u0639\u0627\u062a \u0627\u0644\u0630\u0631\u0648\u0629.<\/li><li><strong>\u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u0641\u0644\u0627\u062a\u0631<\/strong> \u2014 \u064a\u0642\u0644\u0644 \u0627\u0644\u0641\u0644\u062a\u0631 \u0627\u0644\u0645\u0633\u062f\u0648\u062f \u062f\u0648\u0646 \u0623\u0646 \u062a\u0644\u0627\u062d\u0638 \u0645\u0646 \u062a\u062f\u0641\u0642 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a (\u0627\u0646\u0638\u0631 \u0625\u0644\u0649 <a href=\"\/ar\/ventilation-maintenance-guide\/\">maintenance guide<\/a>).<\/li><li><strong>\u0644\u0627 \u062a\u0643\u062a\u0641\u0650 \u0628\u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0648\u064a\u0631 \u0627\u0644\u0647\u0648\u0627\u0621 \u0641\u0642\u0637<\/strong> \u2014 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0646\u0638\u0627\u0645 \u064a\u0639\u0645\u0644 \u0641\u064a \u0648\u0636\u0639 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0648\u064a\u0631 \u0641\u0642\u0637\u060c \u0641\u0625\u0646\u0647 \u064a\u0642\u0648\u0645 \u0628\u0646\u0642\u0644 \u062b\u0627\u0646\u064a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CO\u2082) \u0641\u064a \u0627\u0644\u0623\u0631\u062c\u0627\u0621 \u062f\u0648\u0646 \u0627\u0644\u062a\u062e\u0644\u0635 \u0645\u0646\u0647.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0633: \u0645\u0627 \u0643\u0645\u064a\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a \u0627\u0644\u062a\u064a \u064a\u062d\u062a\u0627\u062c\u0647\u0627 \u0627\u0644\u0645\u0643\u062a\u0628\u061f<\/strong> \u062c: \u062a\u0639\u062a\u0645\u062f \u0623\u0643\u0648\u0627\u062f \u0648\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062a\u0647\u0648\u064a\u0629 (\u0645\u062b\u0644 ASHRAE 62.1) \u0641\u064a \u062a\u062d\u062f\u064a\u062f \u0643\u0645\u064a\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u062e\u0627\u0631\u062c\u064a \u0639\u0644\u0649 \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0625\u0634\u063a\u0627\u0644 \u0648\u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629. \u0648\u064a\u064f\u0639\u062f \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062c\u0647\u0627\u0632 \u0645\u0631\u0627\u0642\u0628\u0629 CO\u2082 \u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0639\u0645\u0644\u064a\u0629: \u0641\u0625\u0630\u0627 \u0627\u0631\u062a\u0641\u0639\u062a \u0645\u0633\u062a\u0648\u064a\u0627\u062a CO\u2082 \u0644\u0645\u0639\u062f\u0644\u0627\u062a \u0639\u0627\u0644\u064a\u0629\u060c \u0641\u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u0645\u0639\u062f\u0644 \u062a\u062f\u0641\u0642 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a \u0623\u0642\u0644 \u0645\u0646 \u062d\u0627\u062c\u0629 \u0627\u0644\u0634\u0627\u063a\u0644\u064a\u0646.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0633: \u0647\u0644 \u064a\u0643\u0641\u064a \u0641\u062a\u062d \u0627\u0644\u0646\u0627\u0641\u0630\u0629 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0647\u0648\u0627\u0621 \u0646\u0642\u064a \u0641\u064a \u0627\u0644\u0645\u0643\u062a\u0628\u061f<\/strong> \u062c: \u0642\u062f \u064a\u0643\u0641\u064a \u0623\u062d\u064a\u0627\u0646\u0627\u064b \u0641\u064a \u0627\u0644\u0637\u0642\u0633 \u0627\u0644\u0645\u0639\u062a\u062f\u0644\u060c \u0644\u0643\u0646 \u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u0644\u0627\u0639\u062a\u0645\u0627\u062f \u0639\u0644\u064a\u0647. \u0641\u0627\u0644\u0646\u0648\u0627\u0641\u0630 \u062a\u064f\u062f\u062e\u0644 \u0647\u0648\u0627\u0621\u064b \u063a\u064a\u0631 \u0645\u0641\u0644\u062a\u0631 \u0648\u063a\u064a\u0631 \u0645\u0643\u064a\u0641\u060c \u0648\u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u062d\u0627\u0644\u0629 \u0627\u0644\u0637\u0642\u0633 \u0648\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0636\u0648\u0636\u0627\u0621\u060c \u0643\u0645\u0627 \u0623\u0646\u0647\u0627 \u062a\u0639\u0627\u0631\u0636 \u0639\u0645\u0644 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0643\u064a\u064a\u0641 (HVAC) \u062e\u0644\u0627\u0644 \u0641\u0635\u0648\u0644 \u0627\u0644\u0635\u064a\u0641 \u0648\u0627\u0644\u0634\u062a\u0627\u0621. \u0644\u0630\u0627\u060c \u0641\u0625\u0646 \u0627\u0644\u0625\u0645\u062f\u0627\u062f \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a \u0647\u0648 \u0627\u0644\u062d\u0644 \u0627\u0644\u062f\u0627\u0626\u0645 \u0648\u0627\u0644\u0645\u0648\u062b\u0648\u0642.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0633: \u0645\u0627 \u0623\u0641\u0636\u0644 \u0637\u0631\u064a\u0642\u0629 \u0644\u0625\u062f\u062e\u0627\u0644 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a \u0625\u0644\u0649 \u0627\u0644\u0645\u0643\u062a\u0628 \u062f\u0648\u0646 \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u062a\u062f\u0641\u0626\u0629 \u0623\u0648 \u0627\u0644\u062a\u0628\u0631\u064a\u062f\u061f<\/strong> \u062c: \u064a\u0648\u0641\u0631 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0645\u0632\u0648\u062f \u0628\u0648\u062d\u062f\u0629 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u062d\u0631\u0627\u0631\u0629\/\u0627\u0644\u0637\u0627\u0642\u0629 (HRV\/ERV) \u0647\u0648\u0627\u0621\u064b \u0646\u0642\u064a\u0627\u064b \u0648\u0645\u0641\u0644\u0651\u062a\u0631\u0627\u064b\u060c \u0648\u064a\u0633\u062a\u0639\u064a\u062f \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0645\u0646 \u0647\u0648\u0627\u0621 \u0627\u0644\u0639\u0627\u062f\u0645\u060c \u0628\u062d\u064a\u062b \u064a\u062f\u062e\u0644 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a \u0628\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0642\u0631\u064a\u0628\u0629 \u0645\u0646 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629. \u0648\u0647\u0630\u0627 \u0647\u0648 \u0627\u0644\u0646\u0647\u062c \u0627\u0644\u0645\u0639\u062a\u0645\u062f \u0641\u064a <a href=\"\/ar\/commercial-ventilation-playbook\/\">commercial ventilation playbook<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0633: \u0647\u0644 \u064a\u0645\u0643\u0646 \u0644\u0645\u0646\u0642\u064a \u0627\u0644\u0647\u0648\u0627\u0621 \u0623\u0646 \u064a\u062d\u0644 \u0645\u062d\u0644 \u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a \u0641\u064a \u0627\u0644\u0645\u0643\u062a\u0628\u061f<\/strong> \u062c: \u0644\u0627. \u064a\u0642\u0648\u0645 \u0645\u0646\u0642\u064a \u0627\u0644\u0647\u0648\u0627\u0621 \u0628\u0641\u0644\u062a\u0631\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0628\u0627\u0644\u0641\u0639\u0644 \u062f\u0627\u062e\u0644 \u0627\u0644\u063a\u0631\u0641\u0629\u061b \u0641\u0647\u0648 \u0644\u0627 \u064a\u064f\u062f\u062e\u0644 \u0647\u0648\u0627\u0621\u064b \u0646\u0642\u064a\u0627\u064b \u0648\u0644\u0627 \u064a\u062a\u062e\u0644\u0635 \u0645\u0646 \u062b\u0627\u0646\u064a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CO\u2082). \u064a\u062c\u0628 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0644\u062a\u062c\u062f\u064a\u062f \u0648\u062a\u0628\u0627\u062f\u0644 \u0627\u0644\u0647\u0648\u0627\u0621\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u064f\u0633\u062a\u062e\u062f\u0645 \u062c\u0647\u0627\u0632 \u0627\u0644\u062a\u0646\u0642\u064a\u0629 \u0643\u0639\u0646\u0635\u0631 \u062a\u0643\u0645\u064a\u0644\u064a \u0641\u0642\u0637 \u0644\u0641\u0644\u062a\u0631\u0629 \u0627\u0644\u062c\u0633\u064a\u0645\u0627\u062a \u0627\u0644\u0645\u062d\u0645\u0648\u0644\u0629 \u062c\u0648\u0627\u064b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0633: \u0644\u0645\u0627\u0630\u0627 \u064a\u0635\u0628\u062d \u062c\u0648 \u0645\u0643\u062a\u0628\u064a \u062e\u0627\u0646\u0642\u0627\u064b \u0628\u062d\u0644\u0648\u0644 \u0645\u0646\u062a\u0635\u0641 \u0627\u0644\u0638\u0647\u064a\u0631\u0629\u061f<\/strong> \u062c: \u062a\u062a\u0631\u0627\u0643\u0645 \u0645\u0644\u0648\u062b\u0627\u062a \u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u062b\u0627\u0646\u064a \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CO\u2082) \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0645\u0639\u062f\u0644 \u0625\u0645\u062f\u0627\u062f \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a \u0623\u0642\u0644 \u0645\u0646 \u0627\u062d\u062a\u064a\u0627\u062c \u0634\u0627\u063a\u0644\u064a \u0627\u0644\u0645\u0643\u0627\u0646. \u062a\u062d\u0642\u0642 \u0645\u0646 \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0648\u0646\u0633\u0628\u0629 CO\u2082\u061b \u0648\u0627\u0644\u062d\u0644 \u0627\u0644\u0635\u062d\u064a\u062d \u064a\u0643\u0645\u0646 \u0641\u064a \u0632\u064a\u0627\u062f\u0629 \u0625\u062f\u062e\u0627\u0644 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u060c \u0648\u0644\u064a\u0633 \u0641\u064a \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0628\u0631\u064a\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0633: \u0645\u0627 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0646\u0638\u0627\u0645 \u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a \u0627\u0644\u062a\u064a \u064a\u062d\u062a\u0627\u062c\u0647\u0627 \u0627\u0644\u0645\u0643\u062a\u0628\u061f<\/strong> \u062c: \u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u062a\u062f\u0641\u0642 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u062e\u0627\u0631\u062c\u064a \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0645\u0639\u062f\u0644 \u0627\u0644\u0625\u0634\u063a\u0627\u0644 \u0648\u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0648\u0641\u0642\u0627\u064b \u0644\u0644\u0623\u0643\u0648\u0627\u062f \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629\u060c \u062b\u0645 \u0645\u0637\u0627\u0628\u0642\u0629 \u0645\u0639\u062f\u0644 \u062a\u062f\u0641\u0642 \u0627\u0644\u0647\u0648\u0627\u0621 \u0644\u0644\u0648\u062d\u062f\u0629 \u0639\u0646\u062f \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0627\u0633\u062a\u0627\u062a\u064a\u0643\u064a \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a. \u064a\u062a\u064a\u062d \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0628\u0627\u0644\u062a\u062d\u0643\u0645 \u0639\u0646\u062f \u0627\u0644\u0637\u0644\u0628 (Demand control - CO\u2082) \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0646\u0638\u0648\u0645\u0629 \u0628\u0627\u0644\u0645\u0639\u062f\u0644 \u0627\u0644\u062f\u0642\u064a\u0642 \u0627\u0644\u0630\u064a \u064a\u062d\u062a\u0627\u062c\u0647 \u0627\u0644\u0645\u0643\u062a\u0628 \u0641\u0639\u0644\u064a\u0627\u064b.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>\u0647\u0644 \u062a\u0631\u063a\u0628 \u0641\u064a \u062a\u062d\u0633\u064a\u0646 \u062c\u0648\u062f\u0629 \u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u0643\u062a\u0628\u061f<\/strong> \u062a\u0642\u0648\u0645 KCvents \u0628\u062a\u0635\u0646\u064a\u0639 \u0648\u062d\u062f\u0627\u062a \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629\u060c \u0648\u0645\u0631\u0627\u0648\u062d \u0645\u062c\u0627\u0631\u064a \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u062f\u0645\u062c\u0629 (inline duct fans)\u060c \u0648\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0646\u0642\u064a \u0644\u0644\u0645\u0643\u0627\u062a\u0628 \u0648\u0627\u0644\u0645\u0628\u0627\u0646\u064a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629\u060c \u0648\u0627\u0644\u0645\u062e\u0635\u0635\u0629 \u0644\u0642\u0637\u0627\u0639\u0627\u062a \u0627\u0644\u062c\u0645\u0644\u0629\u060c \u0648\u0645\u0635\u0646\u0639\u064a \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0623\u0635\u0644\u064a\u0629 (OEM)\u060c \u0648\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0627\u0644\u062e\u0627\u0635\u0629. <a href=\"\/ar\/request-quote\/\">Request a quote<\/a> \u0628\u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0644\u062f\u064a\u0643\u060c \u0648\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0625\u0634\u063a\u0627\u0644\u060c \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0643.<\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"<p>Options for getting more fresh air in an office, from natural ventilation to heat recovery, without losing comfort.<\/p>","protected":false},"author":1,"featured_media":4182,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","iawp_total_views":8,"footnotes":""},"categories":[129],"tags":[151,144,72,139],"class_list":["post-4200","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ventilation-applications","tag-ashrae-62-1","tag-co2-control","tag-indoor-air-quality","tag-office"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/posts\/4200","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/comments?post=4200"}],"version-history":[{"count":1,"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/posts\/4200\/revisions"}],"predecessor-version":[{"id":4217,"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/posts\/4200\/revisions\/4217"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/media\/4182"}],"wp:attachment":[{"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/media?parent=4200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/categories?post=4200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kcvents.com\/ar\/wp-json\/wp\/v2\/tags?post=4200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}