Relax with Reliable Comfort Season After Season.

Faust Air Conditioning and Heating in Wharton knows the colder months seem to be endless, but we can help you stay comfy and warm. Our dependable Lennox® oil-fired water boiler is just what you need. This trusty boiler will keep you cozy and can accommodate an attached tankless coil to produce hot water for your showers, laundry and other household uses for a low additional energy cost.

For an efficient home comfort option, look at the COWB3 boiler.

COWB3 Boiler

The Beckett® oil burner sets the standard for reliable, fuel-efficient heating. That’s absolutely why it’s used in the COWB3 boiler. Your family can plan on years of nearly noiseless performance from this boiler.

  • 85.2% AFUE*
  • Optional, domestic tankless hot water coil provides hot water for a very small cost throughout the winter months
  • Sealed combustion design keeps noise at a minimum
  • Swing-out burner door for easy cleaning and maintenance
  • Compatible 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 experts are here to serve the Wharton area. If you’re looking for a new boiler or need maintenance on your home’s boiler, call us at 979-532-2511 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.