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Choose constant torque technology for consistent comfort all winter long.
- 80% AFUE rating means the unit uses less energy than older, less efficient furnaces
- Constant torque motor delivers consistent airflow for steadier temperatures and increased energy efficiency
- Robust aluminized steel heat exchanger is crimped, not welded, for increased durability and safety when burners are ignited
- Anti-vibration blower assembly eliminates loud startup and shutdown noises for peaceful, quiet operation
- 10-year limited warranty on parts and a limited lifetime warranty on the heat exchanger (with registration) offer added peace of mind*
- Ultra Low NOx model available
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80% AFUE
*Applies to residential applications only