Gas-Fired Water Boilers Provide Years of Efficient Heat.

Gas-fired water boilers provided comfortable, even heat almost silently. What’s even better is their excellent energy efficiency. At Durable Service in Holdrege, 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 gas-modulating condensing water boiler is ENERGY STAR® qualified and 40% more efficient than conventional boilers. Not surprisingly, it carries a 95% AFUE rating.* To maximize fuel savings, it uses 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 home warm.

  • Reliable, self-cleaning, stainless steel heat exchanger converts waste energy into usable heat
  • Sealed combustion keeps noise at a minimum
  • By allowing the burner to fire as low at 20% of its capacity, it’s modulating capability perfectly meets your comfort needs
  • 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 is easy to integrate 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.

  • Enduring, heavy-gauge steel cabinet with baked-on paint finish
  • Compact design for flexibility in installation
  • Sealed combustion reduces noise
  • Electronic ignition oversees water temperature and turns on the burner only when necessary
  • 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 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
  • Offered 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 turns on the burner only when needed
  • Thick fiberglass insulation greatly 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 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

Reach us at 308-995-8177 or schedule an appointment online so our staff at Durable Service in Holdrege can help you find the right boiler for you, or get your current boiler running as it should.