Relax with Reliable Comfort Season After Season.

With a reliable Lennox® oil-fired water boiler from All Seasons Comfort Systems Inc in Reeds Spring, you’ll stay cozy and warm—even on winter’s most bitter days. Plus, by adding an optional tankless coil, your high-efficiency boiler can also provide you with hot water for all your household needs, at virtually no cost during the winter months.

See what the COWB3 boiler has to offer.

COWB3 Boiler

You will enjoy years of ultraquiet operation from the COWB3 boiler. It features the Beckett® oil burner, which is the standard for predictable 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 at an unnoticeable level
  • Swing-out burner door for painless cleaning and maintenance
  • Functions 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 All Seasons Comfort Systems Inc are here for you to assist with all your boiler needs, whether you need a new boiler or boiler maintenance. Call our Reeds Spring location at 417-739-4606 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.