00000nam 2200000zi 4500 9.907166 CaOODSP 20221107181321 m o d f cr |n||||||||| 220124e199012##onca ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre n-cn--- NH17-322/1990E-PDF House depressurization tolerance of mid-efficiency gas furnaces : final report / submitted to: Research Division, Canada Mortgage and Housing Corporation; submitted by: Sheltair Scientific Ltd. House depressurization tolerance of induced draft gas furnaces Ottawa, Ontario : Research Division, Canada Mortgage and Housing Corporation, December 1990. 1 online resource (iii, 56 pages, 21 unnumbered pages) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Canada Mortgage and Housing Corporation]. "CR file# 6718-12; Sheltair job# 90170." Includes bibliographical references. "The unexpected spillage of combustion gasses from induced draft furnaces has raised concern over the suitability of these appliances for tighter Canadian houses and for houses or furnace rooms where depressurization is a likely occurrence. Reasons for spillage include leaky fan assemblies and other design flaws, manufacturing defects and poor installation practice. Problems have been witnessed with both side -wall vented induced-draft furnaces, and induced draft furnaces connected to naturally aspirated vertical chimneys"--Summary. Includes summary in English and French. Combustion gases. Furnaces Efficiency. Indoor air pollution. Gaz de combustion. Fours industriels Rendement. Air intérieur Pollution. Canada Mortgage and Housing Corporation. Research Division, issuing body. Sheltair Scientific Ltd., issuing body. PDF 1.78 MB https://publications.gc.ca/collections/collection_2022/schl-cmhc/NH17-322-1990-eng.pdf