Evolution® System
Plus 90i™ Gas Furnace (Best)

Energy Efficiency

Quiet Level

Durability

- Product earned a Consumer Digest® Best Buy™
- Evolution® Control ready
- Ultimate cost-saving energy efficiency up to 96.6% AFUE
- Perfect Heat™ technology
- Perfect Humidity™
- Fan On Plus™
- QuieTech™ noise reduction
- Sealed combustion system
- Pilot-free PerfectLight™ ignition
- Filter cabinet
- 10-year parts limited warranty upon registration (355AAV)
Evolution® System
The Plus 80v™ Gas Furnace (Better)

Energy Efficiency

Quiet Level

Durability

- Communicating furnace with Evolution intelligence
- Energy efficiency - Up to 80% AFUE
- Perfect Heat™ technology
- Perfect Humidity™
- Fan On Plus™ technology
- QuieTech™ noise reduction system
- Pilot-free PerfectLight™ ignition
- Filter cabinet
- 10-year parts and 20-year heat exchanger limited warranty up
- 10-year parts and 20-year heat exchanger limited warranty up
Preferred™ Series Plus 80t™ Gas Furnace (Good)

Energy Efficiency

Quiet Level

Durability

- Energy efficiency-Up to 80% AFUE
- Perfect Heat™ technology
- Fan On Plus™ technology
- QuieTech™ noise reduction system
- Pilot-free PerfectLight™ ignition
- High efficiency air filtration cabinet
- 10-year parts and 20-year heat exchanger limited warranty up
- 10-year parts and 20-year heat exchanger limited warranty up






