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

Gas-fired water boilers offer comfortable, even heat almost silently. What’s more is their excellent energy efficiency. At Arrings A/C & Heating in Humble, most all of the Lennox® gas-fired water boilers we sell are ENERGY STAR® qualified.

Read more about the features of our high-efficiency boilers.

GWM-IE Boiler

This gas-modulating condensing water boiler is ENERGY STAR® qualified and 40% more efficient than conventional boilers. In fact, it boasts a 95% AFUE rating.* To get the most fuel savings, it is equipped with an electronic ignition control that turns on the burner to coordinate with your household demand to make sure it uses only the energy it needs to keep your home comfortable.

  • Reliable, self-cleaning, stainless steel heat exchanger turns waste energy into usable heat
  • Sealed combustion minimizes noise
  • To meet your comfort needs, the modulating capacity allows the burner to fire as low as 20% of capacity
  • Stainless steel mesh burner resists 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

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 transfers heat quickly—potentially three times faster than a traditional cast-iron exchanger.

  • Enduring, heavy-gauge steel cabinet with baked-on paint finish
  • Compact design for installation flexibility
  • Sealed combustion minimizes noise
  • Electronic ignition monitors water temperature and ignites the burner only when needed
  • Burns natural gas or convertible 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

Far more efficient than an older boiler, the GWB8 boiler boasts an 84.4% efficiency rating*—it even works with traditional 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 engineered for years of reliable use
  • 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 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 ignites the burner only when needed
  • Thick fiberglass insulation significantly reduces off-cycle heat and energy loss
  • Compatible with older 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

Reach us at 281-713-8304 or schedule an appointment online so our team at Arrings A/C & Heating in Humble can help you find the right boiler for you, or fix your boiler so it is running as smoothly and efficiently as possible.