Preferred Series 80 Oil Furnace (Best)
Energy Efficiency
Quiet Level
Durability
- Up to 83.5% AFUE
- Multi-speed blower
- High-performance Riello burner
- Quieting flue silencer baffles
- Fully insulated cabinet walls
- Multipoise and Low Boy models for tight installations
- Barometric draft control
- Durable aluminized steel secondary heat exchanger
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
Preferred Series 80 Oil Furnace (Better)
Energy Efficiency
Quiet Level
Durability
- Up to 83.5% AFUE
- Multi-speed blower
- High-performance Riello burner
- Quieting flue silencer baffles
- Fully insulated cabinet walls
- Multipoise and Low Boy models for tight installations
- Barometric draft control
- Durable aluminized steel secondary heat exchanger
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
Preferred Series 80 Oil Furnace (Good)
Energy Efficiency
Quiet Level
Durability

- Up to 83.5% AFUE
- Multi-speed blower
- High-performance Riello burner
- Quieting flue silencer baffles
- Fully insulated cabinet walls
- Multipoise and Low Boy models for tight installations
- Barometric draft control
- Durable aluminized steel secondary heat exchanger
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
-
Preferred Series 80 Oil Furnace (Best)

Energy Efficiency

Quiet Level

Durability

- Up to 83.5% AFUE
- Multi-speed blower
- High-performance Riello burner
- Quieting flue silencer baffles
- Fully insulated cabinet walls
- Multipoise and Low Boy models for tight installations
- Barometric draft control
- Durable aluminized steel secondary heat exchanger
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
Preferred Series 80 Oil Furnace (Better)

Energy Efficiency

Quiet Level

Durability

- Up to 83.5% AFUE
- Multi-speed blower
- High-performance Riello burner
- Quieting flue silencer baffles
- Fully insulated cabinet walls
- Multipoise and Low Boy models for tight installations
- Barometric draft control
- Durable aluminized steel secondary heat exchanger
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
Preferred Series 80 Oil Furnace (Good)

Energy Efficiency

Quiet Level

Durability

- Up to 83.5% AFUE
- Multi-speed blower
- High-performance Riello burner
- Quieting flue silencer baffles
- Fully insulated cabinet walls
- Multipoise and Low Boy models for tight installations
- Barometric draft control
- Durable aluminized steel secondary heat exchanger
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty
- 10-year parts and a lifetime heat exchanger limited warranty






