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

If you want warm, even heat from an energy-efficient source, B & G HVAC in Marshalltown will assist you in finding a gas-fired water boiler that matches what you’re looking for. With many ENERGY STAR® qualified alternatives, we’re positive we have the Lennox® gas-fired water boiler for you.

Our high-efficiency boilers offer extensive features.

GWM-IE Boiler

With a 95% AFUE rating,* the GVM-IE boiler is ENERGY STAR® qualified and up to 40% more efficient than conventional boilers. It has an electronic ignition control, which coordinates power to the burner to your household’s usage to help ensure it gets you the most fuel savings possible while helping your home stay at the temperature you desire.

  • Reliable, self-cleaning, stainless steel heat exchanger converts unused energy into usable heat
  • Sealed combustion minimizes noise
  • Modulating power aligns with your comfort needs by enabling 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 makes unnecessary 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

Simple to use with an existing, traditional radiator system, the GWB9-IH boiler is ENERGY STAR qualified. Even better, it carries an AFUE rating of 90%.* It also transfers heat potentially three times quicker than a typical cast-iron exchanger, thanks to its cast-aluminum heat exchanger.

  • Durable, heavy-gauge steel cabinet with baked-on paint finish
  • [Compact|Condensed|Small]38] design for different installation options
  • Sealed combustion minimizes noise
  • Electronic ignition monitors water temperature and lights 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

Significantly more efficient than a traditional boiler, the GWB8-IE boiler carries an 84.4% efficiency rating.* What makes it even better is its ability to work with traditional radiator systems.

  • Electronic ignition monitors 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 durability
  • Available 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

This standard-efficiency boiler will perform year after year because it’s constructed from quality materials, including a long-lasting cast-iron heat exchanger and durable stainless steel burners.

  • Electronic ignition monitors water temperature and turns on the burner only when needed
  • Thick fiberglass insulation minimizes off-cycle heat and energy loss
  • Works with traditional radiator systems
  • Comes 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

Our team at B & G HVAC in Marshalltown is happy to help you find the right gas fired water boiler for you, or help you maintain your existing boiler. Make your appointment online, or by calling us at 641-752-3429.