Relax with Reliable Comfort Season After Season. Ackerman Heating & Air Conditioning in Colfax knows the colder months seem to be endless, but we can help you stay cozy and warm. Our reliable Lennox® oil-fired water boiler is the answer. It will keep your home cozy and can accommodate an attached tankless coil to provide hot water for your showers, laundry and other household uses for a low additional energy cost. Consider the COWB3 boiler as an efficient option for your home comfort. COWB3 BoilerThe Beckett® oil burner sets the bar for reliable, fuel-efficient heating. That’s absolutely why it’s used in the COWB3 boiler. You and your family can plan on years of nearly noiseless performance from this boiler. 85.2% AFUE* Optional, domestic tankless hot water coil provides hot water for very little cost throughout the wintertime Sealed combustion design keeps noise very low Swing-out burner door for easy cleaning and maintenance Compatible with traditional radiator systems Cast-iron heat exchanger for lasting durability 20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts Efficiency Rating (AFUE): up to 85.2 Product Brochure Contact Us to Learn More Our boiler pros are here to serve the Colfax area. If you’re looking for a new boiler or need maintenance on your home’s boiler, call us at 509-397-3622 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.