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

Gas-fired water boilers deliver comfortable, even heat very little noise. What’s more is their excellent energy efficiency. At All Seasons Comfort Systems Inc in Reeds Spring, several of the Lennox® gas-fired water boilers we carry are ENERGY STAR® qualified.

Explore the features of our high-efficiency boilers.

GWM-IE Boiler

This ENERGY STAR® qualified, gas-modulating condensing water boiler is 40% more efficient than conventional boilers. Not surprisingly, it carries a 95% AFUE rating.* To maximize fuel savings, it features an electronic ignition control that turns on the burner to coordinate with your household demand to be sure it uses only the energy it needs to keep your family warm.

  • Durable, self-cleaning, stainless steel heat exchanger turns waste energy into usable heat
  • Sealed combustion keeps noise at a minimum
  • To meet your comfort needs, the modulating capacity allows the burner to fire as low as 20% of capacity
  • Stainless steel mesh burner fights 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 moves heat quickly—as much as three times faster than a conventional cast-iron exchanger.

  • Dependable, heavy-gauge steel cabinet with baked-on paint finish
  • Condensed design for flexibility in installation
  • Sealed combustion keeps noise at a minimum
  • Electronic ignition monitors 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

With an 84.4% efficiency rating,* the GWB8-IE boiler is significantly more efficient than an older boiler—it also works with older radiator systems.

  • Electronic ignition oversees water temperature and ignites the burner only when needed
  • Thick fiberglass insulation significantly reduces 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 can be converted 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

Built with a long-lasting cast-iron heat exchanger and durable stainless steel burners, this standard-efficiency boiler can perform year after year.

  • Electronic ignition oversees water temperature and ignites 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 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 417-739-4606 or schedule an appointment online so our team at All Seasons Comfort Systems Inc in Reeds Spring can help you find the right boiler for you, or fix your boiler so it is working as well as it should be.