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National Comfort Institute
Pacific Northwest National Laboratory
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Manhattan darkened by smoke from Canadian wildfires.

2009 2010 Guide to High-Efficiency Gas Furnaces

Sept. 1, 2009
Welcome to our 26th Annual Guide to High-efficiency Gas Furnaces, which showcases furnaces from some of the industry's leading manufacturers

Welcome to our 26th Annual Guide to High-efficiency Gas Furnaces, which showcases furnaces from some of the industry's leading manufacturers, and shows that high efficiency and the ultimate in comfort can come in a single package.

Click here to download a PDF of the Heating Guide