Our OBL/OBM series of oil furnaces deliver higher efficiency and are even smaller than the previous Carrier models. These oil furnaces deliver years of trouble-free heating for your home.
Models: OBL, OBM
Greater Efficiency in Oil Furnaces
Ratings:
Energy Efficiency: 
Quiet Level: 
Durability:
Details:
- AFUE up to 86.6%
- Multiple-speed blower
- Low-constant fan switch
- Even heat distribution
- High-performance Riello or Beckett burner
- Quieting flue silencer baffles
- Fully insulated cabinet walls
- Barometric draft control
- 4-way multipoise and Low Boy models (great for tight installations)
- Durable aluminized steel secondary heat exchanger
- Lifetime heat exchanger limited warranty
- 10-year parts limited warranty when properly registered