Relax with Reliable Comfort Season After Season.

With a dependable Lennox® oil-fired water boiler from Brian’s Heating & Cooling, Inc. in Madera, you’ll stay cozy and warm—even on winter’s harshest days. Plus, by adding 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.

Read more about the COWB3 boiler.

COWB3 Boiler

You can expect years of near-silent performance 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 delivers hot water for almost no cost throughout the cold season
  • Sealed combustion design keeps noise at a minimum
  • Swing-out burner door for painless cleaning and maintenance
  • Compatible 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 Brian’s Heating & Cooling, Inc. are available to take care of all your boiler needs, whether you need a new boiler or boiler maintenance. Call our Madera location at 559-675-1681 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.