Products Gas Furnaces
LAST TIME YOU WERE THIS COMFORTABLE, YOUR FEET WERE IN THE SAND.
Think of your furnace as the heart of your home. In the winter, it's essential to radiating warmth. During the summer, it plays a vital role in moving refreshing, conditioned air from your cooling system. And all year long, your furnace could provide constant air circulation to keep you more comfortable. Not only that, but many of our furnaces do it all so efficiently your own heart might skip a beat when you see how low your utility bill is.
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.
| Model | Price | Efficiency | Comfort Features | Notes |
|---|---|---|---|---|
 Infinity 98TAKING EFFICIENCY TO THE NEXT LEVEL WITH ADAPTABLE-SPEED TECHNOLOGY | Up to 98.50% AFUE | Best |   |
INFINITY® SERIES GAS FURNACES
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.
| Model | Price | Efficiency | Comfort Features | Notes |
|---|---|---|---|---|
 Infinity 96VARIABLE-SPEED COMFORT AND EFFICIENCY | Up to 96.70% AFUE | Best | | |
 Infinity 80SOMETIMES LESS IS MUCH MORE | Up to 80.00% AFUE | Best |  |
PERFORMANCE™ SERIES GAS FURNACES
Efficient, quiet, flexible and durable, these powerful furnaces live up to their Performance name every day—no matter where you live.
| Model | Price | Efficiency | Comfort Features | Notes |
|---|---|---|---|---|
 Performance 96TWO-STAGE OPERATION FOR BETTER EFFICIENCY | Up to 96.70% AFUE | Better | | |
 Performance 95TWO-STAGE OPERATION FOR BETTER EFFICIENCY | Up to 96.70% AFUE | Better | |
COMFORT™ SERIES GAS FURNACES
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.
| Model | Price | Efficiency | Comfort Features | Notes |
|---|---|---|---|---|
 Comfort 95ENERGY EFFICIENCY IN A COST-CONSCIOUS FURNACE | Up to 95.50% AFUE | Good | | |
 Comfort 80DEPENDABLE OPERATION IN A BUDGET SAVING MODEL | Up to 80.00% AFUE | Good | |