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, Ackerman Heating & Air Conditioning in Colfax can help you find a gas-fired water boiler that will meet your needs. With many ENERGY STAR® qualified choices, we’re confident we have the Lennox® gas-fired water boiler for you.

Our high-efficiency boilers offer extensive features.

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 has an electronic ignition control, which adjusts power to the burner to your household’s usage to help ensure it saves as much fuel as possible while keeping your home at a comfortable temperature.

  • Durable, self-cleaning, stainless steel heat exchanger converts wasted energy into usable heat
  • Minimized noise from sealed combustion
  • Modulating ability perfectly meets your comfort needs by letting the burner to fire at as low as 20% of its capacity
  • Stainless steel mesh burner resists corrosion and oxidation
  • CPVC flue condensate collector is corrosion-resistant and makes unnecessary 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 coordinate with an existing, traditional radiator system, the GWB9-IH boiler is ENERGY STAR qualified. What’s more, it earned an AFUE rating of 90%.* It also transfers heat up to three times quicker than a traditional 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 flexible installation
  • Sealed combustion minimizes noise
  • Electronic ignition monitors 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

Significantly 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 greatly reduces off-cycle heat and energy loss
  • Cast-iron heat exchanger and titanium burners designed for years of durability
  • Available 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 constructed from some of the best materials, including a long-lasting cast-iron heat exchanger and durable stainless steel burners.

  • Electronic ignition controls water temperature and ignites the burner only when needed
  • Thick fiberglass insulation minimizes off-cycle heat and energy loss
  • Compatible with traditional radiator systems
  • Available 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 Ackerman Heating & Air Conditioning in Colfax is here 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 509-397-3622.