Relax with Reliable Comfort Season After Season. With a reliable Lennox® oil-fired water boiler from West Michigan Heating & Air Conditioning Services in Hudsonville, you’ll stay warm and snug—even on winter’s most bone-chilling days. Plus, when you add an optional tankless coil, your high-efficiency boiler can also heat water for all your household needs, for only a small cost during the winter months. See what the COWB3 boiler has to offer. COWB3 BoilerYou can expect years of ultraquiet heating from the COWB3 boiler. It is made with the Beckett® oil burner, which sets the standard for predictable fuel-efficient heating. 85.2% AFUE* Optional, domestic tankless hot water coil heats hot water for almost no cost throughout the wintertime Sealed combustion design keeps noise very low 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 Efficiency Rating (AFUE): up to 85.2 Product Brochure Contact Us to Learn More Our boiler experts at West Michigan Heating & Air Conditioning Services are here for you to assist with all your boiler needs, whether you want a new boiler or boiler maintenance. Call our Hudsonville location at 616-669-3961 today, or set up 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.