Relax with Reliable Comfort Season After Season. Quality Refrigeration in Baltimore knows the cold seasons seem to go on forever, but we can help you stay comfy and warm. Our sturdy Lennox® oil-fired water boiler can help. This trusty boiler will keep you cozy and even has the option of an attached tankless coil to provide 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 standard for reliable, fuel-efficient heating. That’s the reason 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 winter months Sealed combustion design keeps noise at a minimum Swing-out burner door for simple cleaning and maintenance Compatible 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 Efficiency Rating (AFUE): up to 85.2 Product Brochure Contact Us to Learn More Our boiler experts are here to serve the Baltimore area. If you’re looking for a new boiler or need maintenance on your existing boiler, call us at 410-355-6010 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.