Constant Comfort™ Deluxe Series
- Our highest efficiency, top-of-the-line gas furnace series delivers superior home comfort
- Energy-saving modulating and two-stage operation options for more even temperature control and quiet operation
- Combine compatible gas furnaces with the Observer® communicating wall control and communicating indoor unit for the ultimate in-home comfort
CONSTANT COMFORT™ SERIES
- Durable gas furnaces that maintain home comfort and efficiency
- Competitive heating efficiency ratings up to 96% AFUE
- Dual fuel capabilities with compatible heat pump and thermostat
PERFORMANCE SERIES
- Budget-friendly and efficient gas furnaces for even levels of home comfort
- Single-stage operation with quiet, reliable performance
