Gas-Fired Water Boilers Provide Years of Efficient Heat.

Gas-fired water boilers provided comfortable, even heat very little noise. What’s even better is their exceptional energy efficiency. At Mr. Air Repair in Shelby Township , many of the Lennox® gas-fired water boilers we sell are ENERGY STAR® qualified.

Learn about the features of our high-efficiency boilers.

GWM-IE Boiler

Forty percent more efficient than conventional boilers, this gas-modulating condensing water boiler is ENERY STAR® qualified. Not surprisingly, it carries a 95% AFUE rating.* To boost fuel savings, it features an electronic ignition control that turns on the burner to meet your household demand to be sure it uses only the energy it needs to keep your family cozy.

  • Durable, self-cleaning, stainless steel heat exchanger turns waste energy into usable heat
  • Sealed combustion reduces noise
  • To meet your comfort needs, the modulating capacity allows the burner to fire as low as 20% of capacity
  • Stainless steel mesh burner combats corrosion and oxidation
  • CPVC flue condensate collector is corrosion-resistant and erases 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

The GWB9-IH boiler integrates easily with a traditional radiator system and is ENERGY STAR qualified with an AFUE rating of 90%.* Its cast-aluminum heat exchanger carries heat quickly—as much as three times faster than a typical cast-iron exchanger.

  • Dependable, heavy-gauge steel cabinet with baked-on paint finish
  • Condensed design for flexibility in installation
  • Sealed combustion reduces noise
  • Electronic ignition oversees water temperature and ignites the burner only when necessary
  • 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 an older boiler, the GWB8 boiler has an 84.4% efficiency rating*—plus, it works with conventional radiator systems.

  • Electronic ignition oversees water temperature and turns on the burner only when needed
  • Thick fiberglass insulation significantly reduces off-cycle heat and energy loss
  • Cast-iron heat exchanger and titanium burners engineered for years of reliable use
  • 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 can perform for years to come with its 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
  • Will work with traditional radiator systems
  • Offered 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

Call us at 586-262-4258 or schedule an appointment online so our team at Mr. Air Repair in Shelby Township can help you find the right boiler for you, or ensure your existing boiler is running as smoothly and efficiently as possible.