Relax with Reliable Comfort Season After Season. With a dependable Lennox® oil-fired water boiler from Air Dynamics Inc in San Angelo, you’ll stay warm and toasty—even on winter’s harshest days. And, with the addition of an optional tankless coil, your high-efficiency boiler can also provide you with hot 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 will enjoy years of near-silent operation from the COWB3 boiler. It features the Beckett® oil burner, which sets the bar for predictable fuel-efficient heating. 85.2% AFUE* Optional, domestic tankless hot water coil delivers hot water for very little cost throughout the winter months Sealed combustion design keeps noise at an unnoticeable level Swing-out burner door for painless 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 professionals at Air Dynamics Inc are always ready to assist with all your boiler needs, whether you need a new boiler or boiler maintenance. Call our San Angelo location at 325-655-2515 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.