Reliability and Comfort Every Cold Season Can Be Yours with an Oil-Fired Water Boiler.

Accurate Heating & Cooling LLC in East Peoria knows the winters seem to drag on for months, but we can help you stay cozy and warm. Our dependable Lennox® oil-fired water boiler can help. It will keep your home warm and even has the option of an attached tankless coil to provide hot water for your showers, laundry and other household uses for very little additional energy cost.

For an efficient home comfort option, look at the COWB3 boiler.

COWB3 Boiler

The Beckett® oil burner sets the example for reliable, fuel-efficient heating. That’s absolutely why it’s used in the COWB3 boiler. You can plan on years of nearly noiseless performance from this boiler.

  • 85.2% AFUE*
  • Optional, domestic tankless hot water coil provides hot water for almost no cost throughout the cold season
  • Sealed combustion design keeps noise at an unnoticeable level
  • Swing-out burner door for simple cleaning and maintenance
  • Functions with traditional radiator systems
  • Cast-iron heat exchanger for lasting performance
  • 20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts
COWB3 Boiler
Efficiency Rating (AFUE): up to 85.2

Our boiler experts are happy to serve the East Peoria area. If you’re looking for a new boiler or need maintenance on your current boiler, call us at 309-437-2703 today, or make your appointment online.


*Annual Fuel Utilization Efficiency (AFUE) measures how efficient the appliance is in converting its fuel’s energy into heat over the course of a year.