Reliability and Comfort Every Cold Season Can Be Yours with an Oil-Fired Water Boiler. Cool Power LLC in Hauppauge knows the colder months seem to drag on for months, but we can help you stay snug and warm. Our reliable Lennox® oil-fired water boiler is just what you need. This trusty boiler will keep you and your family warm and can accommodate an attached tankless coil to produce hot water for your showers, laundry and other household requirements for very little additional energy cost. Consider the COWB3 boiler as an efficient option for your home comfort. COWB3 BoilerThe Beckett® oil burner sets the example for reliable, fuel-efficient heating. That’s absolutely why it’s used in the COWB3 boiler. 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 a very small cost throughout the cold season Sealed combustion design keeps noise very low Swing-out burner door for painless cleaning and maintenance Functions with traditional radiator systems Cast-iron heat exchanger for lasting reliability 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 always ready to serve the Hauppauge area. If you’re looking for a new boiler or need maintenance on your home’s boiler, call us at 631-360-2665 today, or schedule 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.