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

If you want warm, even heat from an energy-efficient source, Holiday Heating & Air Conditioning in Ballwin can assist you in finding a gas-fired water boiler that will meet your needs. With many ENERGY STAR® qualified alternatives, we’re sure we have the Lennox® gas-fired water boiler for you.

The features of our high-efficiency boilers are extensive.

GWM-IE Boiler

With a 95% AFUE rating,* the GVM-IE is forty percent more efficient than conventional boilers. It features an electronic ignition control, which matches power to the burner to your household’s demand to help ensure it saves as much fuel as possible while keeping your house at a comfortable temperature.

  • Strong, self-cleaning, stainless steel heat exchanger converts wasted energy into usable heat
  • Sealed combustion keeps operating noise at a minimum
  • Modulating ability 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

Easy to use with an existing, traditional radiator system, the GWB9-IH boiler is ENERGY STAR qualified. Even better, it earned an AFUE rating of 90%.* In addition, it moves heat potentially three times faster than a traditional cast-iron exchanger, thanks to its cast-aluminum heat exchanger.

  • Tough, heavy-gauge steel cabinet with baked-on paint finish
  • [Compact|Condensed|Small]38] design for flexible installation
  • Sealed combustion keeps operating noise at a minimum
  • Electronic ignition oversees water temperature and ignites 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 an older boiler, the GWB8-IE boiler carries an 84.4% efficiency rating.* Even better is that it’s able to work with traditional radiator systems.

  • Electronic ignition oversees water temperature and ignites the burner only when needed
  • Thick fiberglass insulation greatly reduces off-cycle heat and energy loss
  • Cast-iron heat exchanger and titanium burners engineered for years of durability
  • Offered 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 last for many years 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 monitors water temperature and lights the burner only when needed
  • Thick fiberglass insulation significantly reduces off-cycle heat and energy loss
  • Works with traditional radiator systems
  • Comes in nine different sizes for installation anywhere in your home
  • Burns natural gas or can convert 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 Holiday Heating & Air Conditioning in Ballwin is happy to help you find the right gas fired water boiler for you, or help you maintain your existing boiler. Set up your appointment online, or by calling us at 636-391-7377.