Residential Duct Systems - Selection and Design of Ducted HVAC Systems Residential Duct Systems - Selection and Design of Ducted HVAC Systems 1/1/1981 (PDF - 3763kb) (DOWNLOAD TIME about 15 minutes with 56K modem) The purpose of this guide is to give builders the information they need to evaluate ducted designs - the equipment as well as the ducts - and to deal more effectively with HVAC contractors. Over 60 pages, including many diagrams. |