Reliability and Comfort Every Cold Season Can Be Yours with an Oil-Fired Water Boiler. Central Air Inc in Portland Metro knows the colder months seem to be endless, but we can help you stay comfy and warm. Our sturdy Lennox® oil-fired water boiler is the answer. This boiler will keep your home warm and even has the option of an attached tankless coil to produce hot water for your showers, laundry and other household needs for not much additional energy cost. For an efficient home comfort option, look at the COWB3 boiler. COWB3 BoilerThe Beckett® oil burner sets the bar for reliable, fuel-efficient heating. That’s exactly why it’s used in the COWB3 boiler. Your family can plan on years of virtually noiseless performance from this boiler. 85.2% AFUE* Optional, domestic tankless hot water coil provides hot water for a very small cost throughout the wintertime Sealed combustion design keeps noise very low Swing-out burner door for simple 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 experts are always ready to serve the Portland Metro area. If you’re looking for a new boiler or need maintenance on your current boiler, call us at 503-656-1908 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.