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 exceptional energy efficiency. At Anderson Heating & A/C in Carson City, most all of the Lennox® gas-fired water boilers we sell are ENERGY STAR® qualified.

Learn about the details 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. As a matter of fact, it earned a 95% AFUE rating.* To maximize fuel savings, it is equipped with an electronic ignition control that turns on the burner to match your household demand to be sure it uses only the energy it needs to keep your home comfortable.

  • Strong, self-cleaning, stainless steel heat exchanger turns waste energy into usable heat
  • Sealed combustion minimizes noise
  • Modulating capability perfectly meets your comfort needs by allowing the burner to fire at as low as 20% of its 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 carries heat quickly—potentially three times faster than a typical cast-iron exchanger.

  • Durable, heavy-gauge steel cabinet with baked-on paint finish
  • Small design for installation flexibility
  • Sealed combustion minimizes noise
  • Electronic ignition controls water temperature and turns on the burner only when it is 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

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

  • Electronic ignition oversees water temperature and ignites the burner only when needed
  • Thick fiberglass insulation greatly reduces off-cycle heat and energy loss
  • Cast-iron heat exchanger and titanium burners constructed for years of reliability
  • Offered in six different sizes for ultimate installation flexibility
  • 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-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 greatly reduces off-cycle heat and energy loss
  • Will work with conventional radiator systems
  • Available in nine different sizes for installation anywhere in your home
  • 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-E Boiler
Efficiency Rating (AFUE): up to 83.9

Call us at 775-882-8154 or schedule an appointment online so our experts at Anderson Heating & A/C in Carson City can help you find the right boiler for you, or fix your boiler so it is working as well as it should be.