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Featured Gas Furnaces
Infinity 80 Gas Furnace (Best)
Energy Efficiency
Quiet Level
Durability
- Communicating furnace with Infinity intelligence
- Energy efficiency—80% AFUE
- ComfortHeat™ technology
- IdealHumidity™
- ComfortFan™ technology
- QuieTech™ noise reduction system
- Pilot-free PowerHeat™ ignition
- High efficiency air filtration cabinet
- 20-year heat exchanger limited warranty
- 5-year parts limited warranty
Comfort 80 Gas Furnace (Better)
Energy Efficiency
Quiet Level
Durability
- Energy efficiency???80% AFUE
- ComfortFan technology
- QuieTech noise reduction system
- Pilot-free PowerHeat ignition
- High efficiency air filtration cabinet
- 20-year heat exchanger limited war
- 10-year parts limited warranty whe
Performance 80 Gas Furnace (Good)
Energy Efficiency
Quiet Level
Durability
- Energy efficiency???80% AFUE
- Comfort Heat Technology
- ComfortFan technology
- QuieTech noise reduction system
- Pilot-free PowerHeat ignition
- High efficiency air filtration cabinet
- 20-year heat exchanger limited war
- 10-year parts limited warranty whe