{"id":786,"date":"2021-07-14T04:49:34","date_gmt":"2021-07-14T04:49:34","guid":{"rendered":"https:\/\/khachhang2.web3b.com\/hdec\/?p=786"},"modified":"2022-03-04T17:29:27","modified_gmt":"2022-03-04T17:29:27","slug":"gioi-thie%cc%a3u-ve-he%cc%a3-thong-hvac","status":"publish","type":"post","link":"https:\/\/p69.com.vn\/en\/gioi-thie%cc%a3u-ve-he%cc%a3-thong-hvac\/","title":{"rendered":"INTRODUCING ABOUT HVAC SYSTEM"},"content":{"rendered":"<p><span style=\"font-size: 12pt;\"><strong>1. WHAT IS HVAC?<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\">HVAC\u00a0 stands for the following phrases:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-size: 12pt;\">Heating: heating system<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Ventilating: ventilation system<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Air Conditioning: air conditioning system<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\">HVAC is collectively referred to as the air conditioning system. a system that controls the temperature, humidity and air quality in an indoor space.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-787 aligncenter\" src=\"https:\/\/khachhang2.web3b.com\/hdec\/wp-content\/uploads\/2022\/01\/He-thong-Thong-gio-3-300x169.jpg\" alt=\"\" width=\"820\" height=\"462\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/01\/He-thong-Thong-gio-3-300x169.jpg 300w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/01\/He-thong-Thong-gio-3-scaled-600x338.jpg 600w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/01\/He-thong-Thong-gio-3-1024x576.jpg 1024w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/01\/He-thong-Thong-gio-3-768x432.jpg 768w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/01\/He-thong-Thong-gio-3-1536x864.jpg 1536w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/01\/He-thong-Thong-gio-3-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 820px) 100vw, 820px\" \/><\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><strong>2. ROLE OF HVAC SYSTEM<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\">Works based on the principles of heat transfer, thermodynamics and fluid mechanics. The HVAC system plays the following important roles:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-size: 12pt;\">Provides an acceptable level of indoor air quality and thermal comfort<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Provide the best air quality for humans under any environmental conditions.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Create a space with the highest temperature, quality and humidity.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Make sure the climate in the structure is comfortable and the old air is replaced by fresh air from outside<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\">HAVC system is an important structure, indispensable in the project, heating, ventilation and air conditioning systems have a close relationship with each other.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><strong>3. WHAT IS A HVAC SYSTEM INCLUDED?<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\"><strong>3.1 Heating<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\">The general structure of HVAC heating system\u00a0 includes:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-size: 12pt;\">Boilers<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Heater or heat pump: Used to heat water, steam or possibly air in a central location such as a furnace room in a house, a mechanical room in a large building. The hot steam can be transferred by convection, conduction, or radiation.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\"><strong>3.2: Ventilation system in HVAC<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\">Altering or displacing the airflow in any space to control the temperature or eliminate any combination of moisture, odor, smoke, heat, dust, or bacteria in the air or CO2 and supplemental Oxygen.<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-size: 12pt;\">Exchange airflow with the outside as well as circulate the airflow in the building.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">The ventilation system in HVAC is considered as one of the very important factors to maintain the quality of the air inside each area in the buildings.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\"><strong>3.3\u00a0\u00a0Internal air conditioning system\u00a0HVAC<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\">The air conditioning system performs the function of taking in cold air by:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-size: 12pt;\">The temperature in the air will be removed by the air conditioning system with refrigerants such as: water, air, ice, chemicals&#8230;<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Heat removal takes place through radiation, convection or conduction.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">The refrigeration system will use a reversing valve, which switches from cooling to heating by reversing the flow of refrigerant when warm temperatures are needed.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\"><strong>4. The HVAC SYSTEM CYCLE<\/strong><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 12pt;\">The HVAC cycle follows the following:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-size: 12pt;\">Supply Air: Supply air including cold air and hot air<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Return Air: Brings air back into the system<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Exhaust Air: Exhaust the exhaust air<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;786&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;3&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (3 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (3 votes)    <\/div>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>1. WHAT IS HVAC? HVAC\u00a0 stands for the following phrases: Heating: heating system Ventilating: ventilation system Air Conditioning: air conditioning system HVAC is collectively referred to as the air conditioning system. a system that controls the temperature, humidity and air quality in an indoor space. 2. ROLE OF HVAC SYSTEM Works based on the principles [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":787,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,40],"tags":[],"class_list":["post-786","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","category-tin-tuc-thi-truong-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.1.1 (Yoast SEO v20.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GI\u1edaI THI\u1ec6U H\u00ca\u0323 TH\u00d4\u0301NG HVAC - P69<\/title>\n<meta name=\"description\" content=\"HVAC\u00a0g\u1ecdi chung l\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed.\u00a0m\u1ed9t h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed trong kh\u00f4ng gian trong nh\u00e0.\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/p69.com.vn\/gioi-thie\u0323u-ve-he\u0323-thong-hvac\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[:vi]GI\u01a0\u0301I THI\u00ca\u0323U V\u00ca\u0300 H\u00ca\u0323 TH\u00d4\u0301NG HVAC[:en]INTRODUCING ABOUT HVAC SYSTEM[:]\" \/>\n<meta property=\"og:description\" content=\"HVAC\u00a0g\u1ecdi chung l\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed.\u00a0m\u1ed9t h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed trong kh\u00f4ng gian trong nh\u00e0.\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/p69.com.vn\/gioi-thie\u0323u-ve-he\u0323-thong-hvac\/\" \/>\n<meta property=\"og:site_name\" content=\"P69\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-14T04:49:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-03-04T17:29:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/01\/He-thong-Thong-gio-3-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1440\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"adminhdec\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"adminhdec\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/p69.com.vn\/gioi-thie%cc%a3u-ve-he%cc%a3-thong-hvac\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/p69.com.vn\/gioi-thie%cc%a3u-ve-he%cc%a3-thong-hvac\/\"},\"author\":{\"name\":\"adminhdec\",\"@id\":\"https:\/\/p69.com.vn\/#\/schema\/person\/e7444874c2d9f2d90eb8fbc63e75243f\"},\"headline\":\"INTRODUCING ABOUT HVAC SYSTEM\",\"datePublished\":\"2021-07-14T04:49:34+00:00\",\"dateModified\":\"2022-03-04T17:29:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/p69.com.vn\/gioi-thie%cc%a3u-ve-he%cc%a3-thong-hvac\/\"},\"wordCount\":1797,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/p69.com.vn\/#organization\"},\"articleSection\":[\"News\",\"Market News\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/p69.com.vn\/gioi-thie%cc%a3u-ve-he%cc%a3-thong-hvac\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/p69.com.vn\/gioi-thie%cc%a3u-ve-he%cc%a3-thong-hvac\/\",\"url\":\"https:\/\/p69.com.vn\/gioi-thie%cc%a3u-ve-he%cc%a3-thong-hvac\/\",\"name\":\"GI\u1edaI THI\u1ec6U H\u00ca\u0323 TH\u00d4\u0301NG HVAC - 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