Enjoy Cozy, Quiet, Efficient Heat for Years to Come with a Gas-Fired Boiler.

If you’re looking for cozy, even heat from an energy-efficient source, O'Brien Heating & Air Conditioning in the Main Line will assist you in finding a gas-fired water boiler to meet your needs. With many ENERGY STAR® qualified choices, we’re confident we have the Lennox® gas-fired water boiler that you’re looking for.

The features of our high-efficiency boilers are extensive.

GWM-IE Boiler

With a 95% AFUE rating,* The GVM-IE boiler is ENERGY STAR® qualified and up to 40% more efficient than conventional boilers. It features an electronic ignition control, which coordinates power to the burner to your household’s consumption to help ensure it maximizes your fuel savings while keeping your home at the temperature you desire.

  • Reliable, self-cleaning, stainless steel heat exchanger converts wasted energy into usable heat
  • Sealed combustion keeps operating noise at a minimum
  • Modulating power matches your comfort needs by letting the burner to fire at as low as 20% of its capacity
  • Stainless steel mesh burner fights corrosion and oxidation
  • CPVC flue condensate collector is corrosion-resistant and removes the use of metal in the venting area
  • 15-year limited warranty on heat exchanger, 10-year limited warranty on remaining covered components
GWM-IE Boiler
Efficiency Rating (AFUE): up to 95
Energy Star badge

GWB9-IH Boiler

Simple to coordinate with an existing, traditional radiator system, the GWB9-IH boiler is ENERGY STAR qualified. Even better, it carries an AFUE rating of 90%.* Additionally, it moves heat potentially three times quicker than a conventional cast-iron exchanger, thanks to its cast-aluminum heat exchanger.

  • Durable, heavy-gauge steel cabinet with baked-on paint finish
  • [Compact|Condensed|Small]38] design for installation flexibility
  • Sealed combustion minimizes noise
  • Electronic ignition monitors water temperature and turns on the burner only when needed
  • Burns natural gas or can be converted to LP gas
  • 15-year limited warranty on heat exchanger, 10-year limited warranty on remaining covered components
GWB9-IH Boiler
Efficiency Rating (AFUE): up to 90
Energy Star badge

GWB8-IE Boiler

Notably more efficient than a conventional boiler, the GWB8-IE boiler carries an 84.4% efficiency rating.* What makes it even better is that it can work with traditional radiator systems.

  • Electronic ignition monitors water temperature and turns on the burner only when needed
  • Thick fiberglass insulation minimizes off-cycle heat and energy loss
  • Cast-iron heat exchanger and titanium burners designed for years of reliability
  • Comes in six different sizes for ultimate installation flexibility
  • Burns natural gas or convertible to LP gas
  • 20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts
GWB8-IE Boiler
Efficiency Rating (AFUE): up to 84.4

GWB8-E Boiler

This standard-efficiency boiler will perform for years to come because it’s built from some of the best materials, including a long-lasting cast-iron heat exchanger and durable stainless steel burners.

  • Electronic ignition oversees water temperature and turns on the burner only when needed
  • Thick fiberglass insulation greatly reduces off-cycle heat and energy loss
  • Works with traditional radiator systems
  • Offered in nine different sizes for installation anywhere in your home
  • Burns natural gas or convertible to LP gas
  • 20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts
GWB8-E Boiler
Efficiency Rating (AFUE): up to 83.9

Our team at O'Brien Heating & Air Conditioning in the Main Line is happy to help you find the right gas fired water boiler for you, or help you maintain your existing boiler. Make your appointment online, or by calling us at 610-257-7035.