Reliability and Comfort Every Cold Season Can Be Yours with an Oil-Fired Water Boiler.

With a dependable Lennox® oil-fired water boiler from B&D Air Conditioning in Safford, you’ll stay warm and toasty—even on winter’s most bitter days. Also, by adding an optional tankless coil, your high-efficiency boiler can also heat water for all your household needs, at virtually no cost during the winter months.

Find out more about what the COWB3 boiler has to offer.

COWB3 Boiler

You can expect years of quiet heating from the COWB3 boiler. It includes the Beckett® oil burner, which is the standard for reliable fuel-efficient heating.

  • 85.2% AFUE*
  • Optional, domestic tankless hot water coil heats hot water for very little cost throughout the winter months
  • Sealed combustion design keeps noise very low
  • Swing-out burner door for simple cleaning and maintenance
  • Works 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
COWB3 Boiler
Efficiency Rating (AFUE): up to 85.2

Our boiler professionals at B&D Air Conditioning are here for you to assist with all your boiler needs, whether you’re looking for a new boiler or boiler maintenance. Call our Safford location at 928-432-6018 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.