Midwest Heating & Plumbing | Better Frigidaire Gas Furnaces

Better Gas Furnaces

80% AFUE Two Stage - Fixed Speed

What are the benefits of two stage; fixed speed furnaces?

Two stage furnaces operate like two separate furnaces to maintain a more consistent comfort level throughout your home.
During the first stage, which is about 80% of the time, the unit will use about 68% of its heating capacity.
It will always start in the first stage and attempt to meet the heating demand. This reduced capacity is enough to efficiently warm your home on mild winter days. When the temperatures drop the furnace automatically adjusts itself and enters the second stage to meet the increased heating demands.
iSEER technology improves the energy efficiency of your outdoor system.

Thanks to two stage technology the temperature in your home will only vary a couple of degrees.

92.1 - 97+% AFUE
Ultra Best, Fully Modulating
Best, Two-Stage, Variable Speed
Better, Two-Stage, Fixed-Speed
Good, Single-Stage


80% AFUE
Best, Two-Stage, Variable Speed
Good, Single-Stage

iSEER Inside

All Two stage Frigidaire Furnaces feature iSEER™ technology for greater comfort year round. This unique technology increases the energy efficiency of your cooling system. The energy performance of a cooling system is rated by SEER (Seasonal Energy Efficiency Ratio). The higher the SEER, the more energy efficient the product. Frigidaire Gas Furnaces with iSEER can boost the energy efficiency up to one SEER during the cooling season. For more information on energy efficient cooling systems, please ask your Frigidaire dealer.

What is AFUE?

It measures the amount of heat actually delivered to your house compared to the amount of fuel that you supply to the furnace. Thus, a furnace that has an 80% AFUE rating converts 80% of the fuel that you supply to heat - the other 20% is lost out of the chimney.