Annual Fuel Utilization Efficiency. Indicated as a percentage, your furnaces 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.
Carrier's exclusive Serpentuff™ Heat Exchanger features a patented polypropylene laminate, so that it extracts nearly all of the heat from the system and makes the most of the energy used.
QuieTech™ is a noise reduction system that provides comfortable heat while generating very little noise in the process.
*Comfort Heat Technology
Carrier's exclusive Comfort Heat Technology® accurately predicts the need for heating while cutting temperature swings in half.