Preferred™ Series Plus 80t™ Gas Furnace
Two-Stage Heating Adds Up to One Smart Economical Choice
Energy efficient, whisper quiet and ultra-reliable, our Preferred 80 Gas Furnace brings home dual-stage comfort control. You'll minimize temperature swings and maximize savings as it heats on low most of the time.
Models: 312AAV, 312JAV
- Energy efficiency-Up to 80% AFUE
- Perfect Heat™ technology
- Fan On Plus™ technology
- QuieTech™ noise reduction system
- Pilot-free PerfectLight™ ignition
- 10-year parts and 20-year heat exchanger limited warranty upon registration (312AAV)
- 10-year parts and 20-year heat exchanger limited warranty upon registration (312JAV)
| Energy Efficiency |
 |
| Quiet Level |
 |
| Durability |
 |
