Reliability and Comfort Every Cold Season Can Be Yours with an Oil-Fired Water Boiler.

Temp Air System Inc in La Puente knows the winters seem to drag on for months, but we can help you stay cozy and warm. Our sturdy Lennox® oil-fired water boiler can help. This boiler will keep your home warm and even has the option of an attached tankless coil to heat water for your showers, laundry and other household needs 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 exactly 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 very little cost throughout the wintertime
  • Sealed combustion design keeps noise at an unnoticeable level
  • 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 happy to serve the La Puente area. If you’re looking for a new boiler or need maintenance on your home’s boiler, call us at 626-587-4559 today, or schedule 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.