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    1. Residential HVAC

    2013 Guide to High-Efficiency Gas Furnaces

    Sept. 12, 2013
    Welcome to our 30th 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.

    Welcome to our 30th 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.

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