Heating Products
We offer many furnaces with variable and multi-speed features that can provide enhanced indoor comfort by slowly ramping up to your thermostat setting rather than simply turning on at full speed. This alleviates the “cold air blow” often associated with single speed furnaces, and dramatically reduces system noise.
INFINITY® SERIES GAS FURNACE WITH 
GREENSPEED™ INTELLIGENCE
Looking for top-of-the-line comfort, performance and efficiency? As its name suggests, the Infinity series takes them further than they’ve ever been. But if the top has a top, its name includes Greenspeed intelligence.
CLICK TO SEE MODELS
INFINITY® SERIES GAS FURNACE
Whether you live in the cold North and need the high-efficiency of a condensing gas furnace or the moderate South and can do just fine with a little less efficiency, you’ll still enjoy ultimate comfort with these Infinity series furnaces.
CLICK TO SEE MODELS
PERFORMANCE® SERIES GAS FURNACE
Efficient, quiet, flexible and durable, these powerful furnaces live up to their Performance name every day—no matter where you live.
CLICK TO SEE MODELS
COMFORT® SERIES GAS FURNACE
If efficiency is a hot button for you but budget is your primary concern, consider our Comfort 90+% AFUE gas furnaces. These high-efficiency furnaces excel at generating warmth throughout your home—while generating low energy bills though those long winter months.
CLICK TO SEE MODELS