{"product_id":"manual-d-residential-duct-systems","title":"Manual D Residential Duct Systems","description":"The ANSI recognized national standard for residential HVAC duct design will help you design a duct system in less time. The popular and accurate procedure has been revised to include updated and expanded VAV guidance, with detailed examples; impacts of excess length, sag and compression in flexible ducts; and new equivalent length values for flex duct junction boxes. Manual D, from the Air Conditioning Contractors of America (ACCA), provides a single set of ANSI recognized duct sizing principles and calculations that apply to all duct materials.\u003cbr\u003eASIN: 1892765500\u003cbr\u003eVSKU: BVV.1892765500.A\u003cbr\u003eCondition: Acceptable\u003cbr\u003eAuthor\/Artist:Hank Rutkowski|Air Conditioning Contractors of America\u003cbr\u003eBinding: Paperback\u003cbr\u003e\u003cb\u003eNote:\u003c\/b\u003e Any images shown are stock photographs and product may differ from what is shown.  \u003cbr\u003e\u003cb\u003eCondition Notes\u003c\/b\u003e: The item is very worn but is perfectly usable. Signs of wear can include aesthetic issues such as scratches, dents, worn and creased covers, folded page corners and minor liquid stains. All pages and the cover are intact, but the dust cover may be missing. Pages may include moderate to heavy amount of notes and highlighting, but the text is not obscured or unreadable. Page edges may have foxing  age related spots and browning . May NOT include discs, access code or other supplemental materials.  \u003cbr\u003e","brand":"Blue Vase Books","offers":[{"title":"Default Title","offer_id":44506376798269,"sku":"BVV.1892765500.A","price":90.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/4225\/9261\/files\/1892765500-0.jpg?v=1794348820","url":"https:\/\/www.bluevasebooks.com\/products\/manual-d-residential-duct-systems","provider":"Blue Vase Books","version":"1.0","type":"link"}