{"id":118708,"date":"2015-08-19T11:05:57","date_gmt":"2015-08-19T11:05:57","guid":{"rendered":"http:\/\/leedpoints.com\/?guid=84cf9f08cc306063ed37c04208a61166"},"modified":"2015-08-19T11:05:57","modified_gmt":"2015-08-19T11:05:57","slug":"how-to-move-air-quietly-through-a-duct-system","status":"publish","type":"post","link":"https:\/\/leedpoints.com\/green-building-blog\/how-to-move-air-quietly-through-a-duct-system\/","title":{"rendered":"How to Move Air Quietly Through a Duct System"},"content":{"rendered":null,"protected":false},"excerpt":{"rendered":"<div>\n<div>Prime:&nbsp;<\/div>\n<div>\n<div>\n                     prime        <\/div>\n<\/p><\/div>\n<\/div>\n<div>\n<div>Subtitle:&nbsp;<\/div>\n<div>\n<div>\n                    David Hill shared the secrets of good air flow at the 2015 Building Science Summer Camp         <\/div>\n<\/p><\/div>\n<\/div>\n<div>\n<div>Images:&nbsp;<\/div>\n<div>\n<div>\n                    <a href=\"http:\/\/www.greenbuildingadvisor.com\/articles\/dept\/building-science\/how-move-air-quietly-through-duct-system\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.greenbuildingadvisor.com\/sites\/default\/files\/imagecache\/blog-river\/David%20Hill%202.jpg\" alt=\"\" title=\"Photo of David Hill holding a cubic foot\" width=\"144\" height=\"141\"><\/a>        <\/div>\n<div>\n                    <a href=\"http:\/\/www.greenbuildingadvisor.com\/articles\/dept\/building-science\/how-move-air-quietly-through-duct-system\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.greenbuildingadvisor.com\/sites\/default\/files\/imagecache\/blog-river\/air-flow-turbulence-rectangular-fitting.png\" alt=\"\" title=\"Air flow at a rectangular fitting\" width=\"144\" height=\"113\"><\/a>        <\/div>\n<div>\n                    <a href=\"http:\/\/www.greenbuildingadvisor.com\/articles\/dept\/building-science\/how-move-air-quietly-through-duct-system\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.greenbuildingadvisor.com\/sites\/default\/files\/imagecache\/blog-river\/building-science-summer-2015-camp-david-hill-oval-duct-study.jpg\" alt=\"\" title=\"David Hill's oval duct study\" width=\"144\" height=\"100\"><\/a>        <\/div>\n<div>\n                    <a href=\"http:\/\/www.greenbuildingadvisor.com\/articles\/dept\/building-science\/how-move-air-quietly-through-duct-system\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.greenbuildingadvisor.com\/sites\/default\/files\/imagecache\/blog-river\/david-hill-oval-duct-study-2015.jpg\" alt=\"\" title=\"Round and oval duct\" width=\"144\" height=\"113\"><\/a>        <\/div>\n<div>\n                    <a href=\"http:\/\/www.greenbuildingadvisor.com\/articles\/dept\/building-science\/how-move-air-quietly-through-duct-system\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.greenbuildingadvisor.com\/sites\/default\/files\/imagecache\/blog-river\/oval-fittings-study-table-equivalent-length-david-hill.jpg\" alt=\"\" title=\"Oval fittings study\" width=\"144\" height=\"124\"><\/a>        <\/div>\n<\/p><\/div>\n<\/div>\n<p>At my first Building Science Summer Camp in 2011, David Hill gave a great presentation on some of the big problems with duct systems. (In case you weren&rsquo;t reading this blog back then, I got myself invited with my 2010 article called <a href=\"http:\/\/www.greenbuildingadvisor.com\/blog-building-science-HERS-BPI\/bid\/28100\/I-Don-t-Need-No-Stinkin-Building-Science-Summer-Camp\"><em>I Don&#8217;t Need No Stinkin&#8217; Building Science Summer Camp<\/em><\/a>.)<\/p>\n<p><a href=\"http:\/\/www.greenbuildingadvisor.com\/articles\/dept\/building-science\/how-move-air-quietly-through-duct-system\" target=\"_blank\">read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[12652,3437,13439,4723,10290,13418,13440],"class_list":["post-118708","post","type-post","status-publish","format-standard","hentry","category-green-building-posts","tag-air-flow","tag-building-science","tag-david-hill","tag-duct-system","tag-hvac-design","tag-summer-camp","tag-westford-symposium"],"_links":{"self":[{"href":"https:\/\/leedpoints.com\/green-building-blog\/wp-json\/wp\/v2\/posts\/118708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/leedpoints.com\/green-building-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/leedpoints.com\/green-building-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/leedpoints.com\/green-building-blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/leedpoints.com\/green-building-blog\/wp-json\/wp\/v2\/comments?post=118708"}],"version-history":[{"count":0,"href":"https:\/\/leedpoints.com\/green-building-blog\/wp-json\/wp\/v2\/posts\/118708\/revisions"}],"wp:attachment":[{"href":"https:\/\/leedpoints.com\/green-building-blog\/wp-json\/wp\/v2\/media?parent=118708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/leedpoints.com\/green-building-blog\/wp-json\/wp\/v2\/categories?post=118708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/leedpoints.com\/green-building-blog\/wp-json\/wp\/v2\/tags?post=118708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}