Relax with Reliable Comfort Season After Season.

With a reliable Lennox® oil-fired water boiler from Abilene Air-Tech Inc in Abilene, you’ll stay cozy and warm—even on winter’s harshest days. Also, 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.

See what the COWB3 boiler has to offer.

COWB3 Boiler

You will enjoy years of quiet operation from the COWB3 boiler. It includes 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 painless cleaning and maintenance
  • Works with traditional radiator systems
  • Cast-iron heat exchanger for lasting performance
  • 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 pros at Abilene Air-Tech Inc are available to help with all your boiler needs, whether you’re looking for a new boiler or boiler maintenance. Call our Abilene location at 325-200-4667 today, or set up 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.