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

With a sturdy Lennox® oil-fired water boiler from Carefree Heating and Cooling, LLC in Hamilton, you’ll stay warm and snug—even on winter’s most bone-chilling days. Also, with the addition of 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.

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 is made with the Beckett® oil burner, which sets the bar for dependable fuel-efficient heating.

  • 85.2% AFUE*
  • Optional, domestic tankless hot water coil provides hot water for very little cost throughout the wintertime
  • Sealed combustion design keeps noise at an unnoticeable level
  • 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 experts at Carefree Heating and Cooling, LLC are always ready to take care of all your boiler needs, whether you need a new boiler or boiler maintenance. Call our Hamilton location at 513-275-3601 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.