• 2008-2009 Guide to High-efficiency Gas Furnaces

    Sept. 1, 2008
    Welcome to our 25th annual guide to high-efficiency gas furnaces, which showcases furnaces from some of the industrys leading manufacturers, and shows

    Welcome to our 25th 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. For additional information on any of these products, circle the appropriate circle number(s) on the Reader Service Card in this issue. View 2008-2009 Guide to High-efficiency Gas Furnaces as pdf.