Relax with Reliable Comfort Season After Season.

With a dependable Lennox® oil-fired water boiler from Anderson Heating & A/C in Carson City, you’ll stay cozy and warm—even on winter’s harshest days. And, when you add an optional tankless coil, your high-efficiency boiler can also make 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 operation 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 an unnoticeable level
  • Swing-out burner door for easy 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 Anderson Heating & A/C are here for you to take care of all your boiler needs, whether you want a new boiler or boiler maintenance. Call our Carson City location at 775-882-8154 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.