Affinity™ high-efficiency gas furnaces are a step up for any home.

Our Affinity modulating gas furnaces continuously adjust their heating level by 1% increments to match the degree of comfort you need exactly and efficiently. In fact, they can maintain indoor temperatures to within 1/2 degree of your thermostat's setpoint.* The variable speed, ECM, blower slowly ramps up and down providing quiet and efficient air distribution while reducing overall utility consumption.

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A Closer Look at 98%

A Closer Look at 80%

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