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non-condensing

The Days of Non-Condensing Gas Furnaces are Limited

The Days of Non-Condensing Gas Furnaces are Limited

Gita Subramony for Zondits, March 19, 2015 The DOE has proposed new rules regarding gas furnaces and minimum efficiencies. The new rules will raise the minimum efficiency for gas furnaces to 92 AFUE. The previous standard, which went into effect in 1992, required only 78 AFUE. After facing challenges from the natural gas industry, the

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