Preferred Heating Makes for One Smart Choice
There's a reason people love our Preferred™ gas furnaces. Several reasons, actually -- they're energy efficient, whisper quiet and ultra reliable.
Preferred™ Series Variable & Multi-Speed
- Quiet performance and even-temperature comfort from variable-speed air delivery (314A only)
- Multi-speed blower is optimized to your home for comfort and can assist with summertime humidity control and efficiency (313A only)
- Two-stage operation allows longer, more even heating cycles on low stage (312A and 314A models)
- Perfect Heat™ technology means consistent comfort by adjusting system operation to changing conditions (312A and 314A models)
- Fan On Plus™ technology lets you choose the speed of continuous fan operation with a compatible control
- Insulated cabinet for quieter operation
- 20-year limited warranty on heat exchanger
- 10-year parts limited warranty upon registration
- 312A
- 313A
- 314A