{"id":7875,"date":"2013-06-11T08:00:10","date_gmt":"2013-06-11T12:00:10","guid":{"rendered":"https:\/\/retrofitmagazine.com\/?p=7875"},"modified":"2013-06-10T05:43:29","modified_gmt":"2013-06-10T09:43:29","slug":"add-more-velocity-to-ductwork","status":"publish","type":"post","link":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/","title":{"rendered":"Add More Velocity to Ductwork"},"content":{"rendered":"

\"Tjernlund's<\/a>
Tjernlund’s Duct Booster fans<\/figcaption><\/figure>Duct Booster Fans from Tjernlund Products have long been a tool of many heating contractors\u2019 problem-solving arsenal, whether their need is to boost air flow to hard-to-heat or -cool rooms or exhaust foul air from a bathroom or pole barn. Many homeowners live with rooms that are uncomfortably hot or cold because the fan in their forced air furnace cannot provide adequate velocity.<\/p>\n

Tjernlund Products, a Minnesota-based manufacturer of ventilation fans, offers a family of Duct Booster fans designed for easy installation within heating\/cooling ducts to increase flow of conditioned air to desired areas.<\/p>\n

Economical Duct Booster fans operate quietly and are built to provide years of trouble-free service. There are models of varying capacities for installation in metal and flex ductwork. Optional accessories are available for automatic activation and to control fan speed.<\/p>\n

www.tjernlund.com <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Duct Booster Fans from Tjernlund Products have long been a tool of many heating contractors\u2019 problem-solving arsenal, whether their need is to boost air flow to hard-to-heat or -cool rooms or exhaust foul air from a bathroom or pole barn. Many homeowners live with rooms that are uncomfortably hot or cold because the fan in<\/p>\n","protected":false},"author":95,"featured_media":7876,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[210,87],"tags":[3393,2972,3397,3396,3395,3392,3394,49],"ppma_author":[48795],"jetpack_publicize_connections":[],"yoast_head":"\nAdd More Velocity to Ductwork - retrofit<\/title>\n<meta name=\"description\" content=\"Duct Booster Fans from Tjernlund Products can boost air flow in ductwork to hard-to-heat or -cool rooms or exhaust foul air from a bathroom or pole barn.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Add More Velocity to Ductwork - retrofit\" \/>\n<meta property=\"og:description\" content=\"Duct Booster Fans from Tjernlund Products can boost air flow in ductwork to hard-to-heat or -cool rooms or exhaust foul air from a bathroom or pole barn.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/\" \/>\n<meta property=\"og:site_name\" content=\"retrofit\" \/>\n<meta property=\"article:publisher\" content=\"http:\/\/facebook.com\/RetrofitMagazine\" \/>\n<meta property=\"article:published_time\" content=\"2013-06-11T12:00:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2013-06-10T09:43:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png\" \/>\n\t<meta property=\"og:image:width\" content=\"864\" \/>\n\t<meta property=\"og:image:height\" content=\"742\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Retrofit Magazine Editor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@retrofitmag\" \/>\n<meta name=\"twitter:site\" content=\"@retrofitmag\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Retrofit Magazine Editor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/\"},\"author\":{\"name\":\"Retrofit Magazine Editor\",\"@id\":\"https:\/\/retrofitmagazine.com\/#\/schema\/person\/6c3da0a24702724c901eeb71938c3647\"},\"headline\":\"Add More Velocity to Ductwork\",\"datePublished\":\"2013-06-11T12:00:10+00:00\",\"dateModified\":\"2013-06-10T09:43:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/\"},\"wordCount\":154,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/retrofitmagazine.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/i0.wp.com\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png?fit=864%2C742&ssl=1\",\"keywords\":[\"Duct Booster\",\"ductwork\",\"exhaust\",\"flex ductwork\",\"metal ductwork\",\"Tjernlund\",\"velocity\",\"ventilation\"],\"articleSection\":[\"Equipment\",\"HVAC\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#respond\"]}],\"copyrightYear\":\"2013\",\"copyrightHolder\":{\"@id\":\"https:\/\/retrofitmagazine.com\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/\",\"url\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/\",\"name\":\"Add More Velocity to Ductwork - retrofit\",\"isPartOf\":{\"@id\":\"https:\/\/retrofitmagazine.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/i0.wp.com\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png?fit=864%2C742&ssl=1\",\"datePublished\":\"2013-06-11T12:00:10+00:00\",\"dateModified\":\"2013-06-10T09:43:29+00:00\",\"description\":\"Duct Booster Fans from Tjernlund Products can boost air flow in ductwork to hard-to-heat or -cool rooms or exhaust foul air from a bathroom or pole barn.\",\"breadcrumb\":{\"@id\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#primaryimage\",\"url\":\"https:\/\/i0.wp.com\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png?fit=864%2C742&ssl=1\",\"contentUrl\":\"https:\/\/i0.wp.com\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png?fit=864%2C742&ssl=1\",\"width\":864,\"height\":742,\"caption\":\"Tjernlund's Duct Booster fans\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/retrofitmagazine.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Add More Velocity to Ductwork\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/retrofitmagazine.com\/#website\",\"url\":\"https:\/\/retrofitmagazine.com\/\",\"name\":\"retrofit\",\"description\":\"Improving Yesterday For Today\",\"publisher\":{\"@id\":\"https:\/\/retrofitmagazine.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/retrofitmagazine.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/retrofitmagazine.com\/#organization\",\"name\":\"retrofit\",\"url\":\"https:\/\/retrofitmagazine.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/retrofitmagazine.com\/#\/schema\/logo\/image\/\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"retrofit\"},\"image\":{\"@id\":\"https:\/\/retrofitmagazine.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"http:\/\/facebook.com\/RetrofitMagazine\",\"https:\/\/x.com\/retrofitmag\",\"https:\/\/www.linkedin.com\/groups\/4623440\/profile\",\"http:\/\/www.youtube.com\/user\/RetrofitMag\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/retrofitmagazine.com\/#\/schema\/person\/6c3da0a24702724c901eeb71938c3647\",\"name\":\"Retrofit Magazine Editor\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/retrofitmagazine.com\/#\/schema\/person\/image\/6a96186d1742b95ac2226f46decac09c\",\"url\":\"https:\/\/retrofitmagazine.com\/wp-content\/uploads\/2024\/02\/retrofit_r_6abbd8_256x256.png\",\"contentUrl\":\"https:\/\/retrofitmagazine.com\/wp-content\/uploads\/2024\/02\/retrofit_r_6abbd8_256x256.png\",\"caption\":\"Retrofit Magazine Editor\"},\"url\":\"https:\/\/retrofitmagazine.com\/author\/retrofit-magazine-editor\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Add More Velocity to Ductwork - retrofit","description":"Duct Booster Fans from Tjernlund Products can boost air flow in ductwork to hard-to-heat or -cool rooms or exhaust foul air from a bathroom or pole barn.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/","og_locale":"en_US","og_type":"article","og_title":"Add More Velocity to Ductwork - retrofit","og_description":"Duct Booster Fans from Tjernlund Products can boost air flow in ductwork to hard-to-heat or -cool rooms or exhaust foul air from a bathroom or pole barn.","og_url":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/","og_site_name":"retrofit","article_publisher":"http:\/\/facebook.com\/RetrofitMagazine","article_published_time":"2013-06-11T12:00:10+00:00","article_modified_time":"2013-06-10T09:43:29+00:00","og_image":[{"width":864,"height":742,"url":"https:\/\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png","type":"image\/png"}],"author":"Retrofit Magazine Editor","twitter_card":"summary_large_image","twitter_creator":"@retrofitmag","twitter_site":"@retrofitmag","twitter_misc":{"Written by":"Retrofit Magazine Editor","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#article","isPartOf":{"@id":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/"},"author":{"name":"Retrofit Magazine Editor","@id":"https:\/\/retrofitmagazine.com\/#\/schema\/person\/6c3da0a24702724c901eeb71938c3647"},"headline":"Add More Velocity to Ductwork","datePublished":"2013-06-11T12:00:10+00:00","dateModified":"2013-06-10T09:43:29+00:00","mainEntityOfPage":{"@id":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/"},"wordCount":154,"commentCount":0,"publisher":{"@id":"https:\/\/retrofitmagazine.com\/#organization"},"image":{"@id":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png?fit=864%2C742&ssl=1","keywords":["Duct Booster","ductwork","exhaust","flex ductwork","metal ductwork","Tjernlund","velocity","ventilation"],"articleSection":["Equipment","HVAC"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#respond"]}],"copyrightYear":"2013","copyrightHolder":{"@id":"https:\/\/retrofitmagazine.com\/#organization"}},{"@type":"WebPage","@id":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/","url":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/","name":"Add More Velocity to Ductwork - retrofit","isPartOf":{"@id":"https:\/\/retrofitmagazine.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#primaryimage"},"image":{"@id":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png?fit=864%2C742&ssl=1","datePublished":"2013-06-11T12:00:10+00:00","dateModified":"2013-06-10T09:43:29+00:00","description":"Duct Booster Fans from Tjernlund Products can boost air flow in ductwork to hard-to-heat or -cool rooms or exhaust foul air from a bathroom or pole barn.","breadcrumb":{"@id":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#primaryimage","url":"https:\/\/i0.wp.com\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png?fit=864%2C742&ssl=1","contentUrl":"https:\/\/i0.wp.com\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png?fit=864%2C742&ssl=1","width":864,"height":742,"caption":"Tjernlund's Duct Booster fans"},{"@type":"BreadcrumbList","@id":"https:\/\/retrofitmagazine.com\/add-more-velocity-to-ductwork\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/retrofitmagazine.com\/"},{"@type":"ListItem","position":2,"name":"Add More Velocity to Ductwork"}]},{"@type":"WebSite","@id":"https:\/\/retrofitmagazine.com\/#website","url":"https:\/\/retrofitmagazine.com\/","name":"retrofit","description":"Improving Yesterday For Today","publisher":{"@id":"https:\/\/retrofitmagazine.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/retrofitmagazine.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/retrofitmagazine.com\/#organization","name":"retrofit","url":"https:\/\/retrofitmagazine.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/retrofitmagazine.com\/#\/schema\/logo\/image\/","url":"","contentUrl":"","caption":"retrofit"},"image":{"@id":"https:\/\/retrofitmagazine.com\/#\/schema\/logo\/image\/"},"sameAs":["http:\/\/facebook.com\/RetrofitMagazine","https:\/\/x.com\/retrofitmag","https:\/\/www.linkedin.com\/groups\/4623440\/profile","http:\/\/www.youtube.com\/user\/RetrofitMag"]},{"@type":"Person","@id":"https:\/\/retrofitmagazine.com\/#\/schema\/person\/6c3da0a24702724c901eeb71938c3647","name":"Retrofit Magazine Editor","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/retrofitmagazine.com\/#\/schema\/person\/image\/6a96186d1742b95ac2226f46decac09c","url":"https:\/\/retrofitmagazine.com\/wp-content\/uploads\/2024\/02\/retrofit_r_6abbd8_256x256.png","contentUrl":"https:\/\/retrofitmagazine.com\/wp-content\/uploads\/2024\/02\/retrofit_r_6abbd8_256x256.png","caption":"Retrofit Magazine Editor"},"url":"https:\/\/retrofitmagazine.com\/author\/retrofit-magazine-editor\/"}]}},"jetpack_featured_media_url":"https:\/\/i0.wp.com\/retrofitmagazine.com\/wp-content\/uploads\/2013\/06\/Screen-Shot-2013-06-10-at-4.37.03-AM.png?fit=864%2C742&ssl=1","jetpack_sharing_enabled":true,"jetpack_likes_enabled":false,"authors":[{"term_id":48795,"user_id":95,"is_guest":0,"slug":"retrofit-magazine-editor","display_name":"Retrofit Magazine Editor","avatar_url":{"url":"https:\/\/retrofitmagazine.com\/wp-content\/uploads\/2024\/02\/retrofit_r_6abbd8_256x256.png","url2x":"https:\/\/retrofitmagazine.com\/wp-content\/uploads\/2024\/02\/retrofit_r_6abbd8_256x256.png"},"first_name":"Retrofit Magazine","last_name":"Editor","user_url":"","description":""}],"_links":{"self":[{"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/posts\/7875"}],"collection":[{"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/comments?post=7875"}],"version-history":[{"count":0,"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/posts\/7875\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/media\/7876"}],"wp:attachment":[{"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/media?parent=7875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/categories?post=7875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/tags?post=7875"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/retrofitmagazine.com\/wp-json\/wp\/v2\/ppma_author?post=7875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}