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Annual Fuel Utilization Efficiency. A measure of a gas furnace’s efficiency in converting fuel to energy—the higher the rating, the more efficient the unit.
« Back to Glossary IndexAnnual Fuel Utilization Efficiency. A measure of a gas furnace’s efficiency in converting fuel to energy—the higher the rating, the more efficient the unit.
« Back to Glossary IndexNJ Plumbing LICENSE # 11691
NJ HVAC LICENSE # 19HC00263900