{"id":41521,"date":"2025-06-21T20:51:16","date_gmt":"2025-06-22T03:51:16","guid":{"rendered":"https:\/\/www.hvacredu.net\/staging\/?post_type=product&#038;p=41521"},"modified":"2025-08-07T08:39:05","modified_gmt":"2025-08-07T15:39:05","slug":"221-indoor-air-quality-basics","status":"publish","type":"product","link":"https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/","title":{"rendered":"221 Indoor Air Quality Basics"},"content":{"rendered":"<p class=\"ai-optimize-32 ai-optimize-introduction\"><em>Written by John Kreiger and Chris Dorsi\u00a0 \u00a0 (18 Instructional hours \/ 365 days to complete)\u00a0 Foundation<\/em><\/p>\n<p class=\"ai-optimize-34\">You already know it is your job to provide services related to the comfort of air temperatures inside your clients\u2019 buildings. However, temperature management is not the only thing you need to know. This course will help you better understand the various elements of air quality, introduce the science of air quality, and give you some tips on how to identify and address the potential dangers of poor indoor air quality. The course does not address issues of allergies or chemically sensitive clients outside the basics of indoor air quality. You will learn indoor air properties, air flow, ventilation, moisture, and air filtration systems. This course is recognized for 18 hours of continuing education (CEHs) applicable to NATE re-certification.<\/p>\n<p class=\"ai-optimize-35\"><strong>Modules address the following topics:<\/strong><\/p>\n<ul>\n<li class=\"ai-optimize-36\">IAQ Basics<\/li>\n<li class=\"ai-optimize-37\">Properties of Air<\/li>\n<li class=\"ai-optimize-38\">Air Flow Basics<\/li>\n<li class=\"ai-optimize-39\">Ventilation<\/li>\n<li class=\"ai-optimize-40\">Moisture Management<\/li>\n<li class=\"ai-optimize-41\">Air Filtration<\/li>\n<\/ul>\n<p class=\"ai-optimize-45\"><font color=\"#c20000\"><i>Each course purchase allows 365 days enrollment to complete. Must obtain a 70% or higher to obtain CEU recognition. Course provides you with a Subject Matter Expert (mentor) to assist with questions and all course materials for the duration of the course.<\/i><\/font><\/p>\n<p class=\"ai-optimize-42\"><font color=\"#c20000\"><i>If you are only taking a few courses with us there is not a requirement for a textbook. We will always recommend to our students to have a good general textbook for reference, the mark of a professional!<\/i><\/font><\/p>\n<p class=\"ai-optimize-44\"><strong>Textbook Reference:<\/strong>\u00a0<a href=\"https:\/\/hvacrassets.net\/Textbook\/TextbookPage081021.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/www.hvacrassets.net\/Textbook\/TextbookPage081021.pdf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"ai-optimize-13 ai-optimize-introduction\"><em> (18 Instructional hours \/ 365 days to complete)\u00a0 <\/em><\/p>\n<p class=\"ai-optimize-13 ai-optimize-introduction\">In this course, you will learn about indoor air properties, air flow, ventilation, moisture, and air filtration systems.<\/p>\n","protected":false},"featured_media":41522,"template":"","meta":[],"product_brand":[],"product_cat":[146,145,119,128],"product_tag":[],"class_list":{"0":"post-41521","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-air-conditioning-courses","7":"product_cat-air-distribution","8":"product_cat-building-automation-courses","9":"product_cat-individual-training-courses","11":"first","12":"instock","13":"downloadable","14":"virtual","15":"taxable","16":"purchasable","17":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.2 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>221 Indoor Air Quality Basics - HVACRedu.net - Online HVAC and Refrigeration Training<\/title>\n<meta name=\"description\" content=\"In this course, you will learn about indoor air properties, air flow, ventilation, moisture, and air filtration systems.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"221 Indoor Air Quality Basics\" \/>\n<meta property=\"og:description\" content=\"In this course, you will learn about indoor air properties, air flow, ventilation, moisture, and air filtration systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/\" \/>\n<meta property=\"og:site_name\" content=\"HVACRedu.net - Online HVAC and Refrigeration Training\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hvacredunet\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-07T15:39:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2025\/06\/221-Indoor_Air_Quality_Basics-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"320\" \/>\n\t<meta property=\"og:image:height\" content=\"220\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@hvacreducation\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/shop\\\/221-indoor-air-quality-basics\\\/\",\"url\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/shop\\\/221-indoor-air-quality-basics\\\/\",\"name\":\"221 Indoor Air Quality Basics - HVACRedu.net - Online HVAC and Refrigeration Training\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/shop\\\/221-indoor-air-quality-basics\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/shop\\\/221-indoor-air-quality-basics\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/221-Indoor_Air_Quality_Basics-1.jpg\",\"datePublished\":\"2025-06-22T03:51:16+00:00\",\"dateModified\":\"2025-08-07T15:39:05+00:00\",\"description\":\"In this course, you will learn about indoor air properties, air flow, ventilation, moisture, and air filtration systems.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/shop\\\/221-indoor-air-quality-basics\\\/#breadcrumb\"},\"inLanguage\":\"en\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/shop\\\/221-indoor-air-quality-basics\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en\",\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/shop\\\/221-indoor-air-quality-basics\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/221-Indoor_Air_Quality_Basics-1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/221-Indoor_Air_Quality_Basics-1.jpg\",\"width\":320,\"height\":220,\"caption\":\"Industrial filter for ventilation and air conditioner\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/shop\\\/221-indoor-air-quality-basics\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"221 Indoor Air Quality Basics\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/#website\",\"url\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/\",\"name\":\"HVACRedu.net - Online HVAC and Refrigeration Training\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/#organization\",\"name\":\"www.hvacredu.net\",\"url\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en\",\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"http:\\\/\\\/www.hvacredu.net\\\/staging\\\/wp-content\\\/uploads\\\/2021\\\/05\\\/HVAClogo-2-1.png\",\"contentUrl\":\"http:\\\/\\\/www.hvacredu.net\\\/staging\\\/wp-content\\\/uploads\\\/2021\\\/05\\\/HVAClogo-2-1.png\",\"width\":200,\"height\":54,\"caption\":\"www.hvacredu.net\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hvacredu.net\\\/staging\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/hvacredunet\",\"https:\\\/\\\/x.com\\\/hvacreducation\",\"https:\\\/\\\/www.instagram.com\\\/hvacredu\\\/\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCt3vrukCW1pZlpnmjexqQcA\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"221 Indoor Air Quality Basics - HVACRedu.net - Online HVAC and Refrigeration Training","description":"In this course, you will learn about indoor air properties, air flow, ventilation, moisture, and air filtration systems.","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"221 Indoor Air Quality Basics","og_description":"In this course, you will learn about indoor air properties, air flow, ventilation, moisture, and air filtration systems.","og_url":"https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/","og_site_name":"HVACRedu.net - Online HVAC and Refrigeration Training","article_publisher":"https:\/\/www.facebook.com\/hvacredunet","article_modified_time":"2025-08-07T15:39:05+00:00","og_image":[{"width":320,"height":220,"url":"https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2025\/06\/221-Indoor_Air_Quality_Basics-1.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@hvacreducation","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/","url":"https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/","name":"221 Indoor Air Quality Basics - HVACRedu.net - Online HVAC and Refrigeration Training","isPartOf":{"@id":"https:\/\/www.hvacredu.net\/staging\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/#primaryimage"},"image":{"@id":"https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/#primaryimage"},"thumbnailUrl":"https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2025\/06\/221-Indoor_Air_Quality_Basics-1.jpg","datePublished":"2025-06-22T03:51:16+00:00","dateModified":"2025-08-07T15:39:05+00:00","description":"In this course, you will learn about indoor air properties, air flow, ventilation, moisture, and air filtration systems.","breadcrumb":{"@id":"https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/#breadcrumb"},"inLanguage":"en","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/"]}]},{"@type":"ImageObject","inLanguage":"en","@id":"https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/#primaryimage","url":"https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2025\/06\/221-Indoor_Air_Quality_Basics-1.jpg","contentUrl":"https:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2025\/06\/221-Indoor_Air_Quality_Basics-1.jpg","width":320,"height":220,"caption":"Industrial filter for ventilation and air conditioner"},{"@type":"BreadcrumbList","@id":"https:\/\/www.hvacredu.net\/staging\/shop\/221-indoor-air-quality-basics\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.hvacredu.net\/staging\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/www.hvacredu.net\/staging\/shop\/"},{"@type":"ListItem","position":3,"name":"221 Indoor Air Quality Basics"}]},{"@type":"WebSite","@id":"https:\/\/www.hvacredu.net\/staging\/#website","url":"https:\/\/www.hvacredu.net\/staging\/","name":"HVACRedu.net - Online HVAC and Refrigeration Training","description":"","publisher":{"@id":"https:\/\/www.hvacredu.net\/staging\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.hvacredu.net\/staging\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en"},{"@type":"Organization","@id":"https:\/\/www.hvacredu.net\/staging\/#organization","name":"www.hvacredu.net","url":"https:\/\/www.hvacredu.net\/staging\/","logo":{"@type":"ImageObject","inLanguage":"en","@id":"https:\/\/www.hvacredu.net\/staging\/#\/schema\/logo\/image\/","url":"http:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2021\/05\/HVAClogo-2-1.png","contentUrl":"http:\/\/www.hvacredu.net\/staging\/wp-content\/uploads\/2021\/05\/HVAClogo-2-1.png","width":200,"height":54,"caption":"www.hvacredu.net"},"image":{"@id":"https:\/\/www.hvacredu.net\/staging\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/hvacredunet","https:\/\/x.com\/hvacreducation","https:\/\/www.instagram.com\/hvacredu\/","https:\/\/www.youtube.com\/channel\/UCt3vrukCW1pZlpnmjexqQcA"]}]}},"_links":{"self":[{"href":"https:\/\/www.hvacredu.net\/staging\/wp-json\/wp\/v2\/product\/41521","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hvacredu.net\/staging\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.hvacredu.net\/staging\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hvacredu.net\/staging\/wp-json\/wp\/v2\/media\/41522"}],"wp:attachment":[{"href":"https:\/\/www.hvacredu.net\/staging\/wp-json\/wp\/v2\/media?parent=41521"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.hvacredu.net\/staging\/wp-json\/wp\/v2\/product_brand?post=41521"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.hvacredu.net\/staging\/wp-json\/wp\/v2\/product_cat?post=41521"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.hvacredu.net\/staging\/wp-json\/wp\/v2\/product_tag?post=41521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}