Understanding Efficiency Ratings of Furnaces

July 18th, 2013

A central furnace or boiler’s efficiency is measured by annual fuel utilization efficiency (AFUE). The Federal Trade Commission requires new furnaces or boilers to display their AFUE so consumers can compare heating efficiencies of various models. AFUE is a measure of how efficient the appliance is in the energy in its fuel over the course […]

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AFUE, Cascade Natural Gas, CNG, Condensing Furnaces, Furnace Replacement, High Efficiency, rebates