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AFUE

Annual Fuel Utilization Efficiency. Indicated as a percentage, your furnace’s AFUE tells you how much energy is being converted to heat. For example, an AFUE of 90 means that 90% of the fuel is being used to warm your home, while the other 10% escapes as exhaust with the combustion gases.

Top Furnace Brands

Carrier Home Furnaces

Expertise: Carrier furnaces, HVAC and heating systems.

With 100 years of experience, Carrier offers high-quality oil and gas furnaces, heat pumps, humidifiers and home heating systems for homeowners around the world.

Bryant Home Furnaces

Expertise: Bryant furnaces, HVAC and heating systems.

Born in the heartland of America, Bryant is the furnace and home heating brand that your neighbors trust. Indy Race Sponsor.