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

Gas-fired water boilers deliver comfortable, even heat with little to no noise. What’s even better is their excellent energy efficiency. At Pinnacle HVAC LLC in Homer Glen, many of the Lennox® gas-fired water boilers we offer are ENERGY STAR® qualified.

Read more about the details 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. As a matter of fact, it earned a 95% AFUE rating.* To get the most fuel savings, it features an electronic ignition control that turns on the burner to match your household demand to make sure it uses only the energy it needs to keep you comfortable.

  • Durable, self-cleaning, stainless steel heat exchanger converts 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 combats 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 carries heat quickly—potentially three times faster than a traditional cast-iron exchanger.

  • Durable, heavy-gauge steel cabinet with baked-on paint finish
  • Small design for flexibility in installation
  • Sealed combustion keeps noise at a minimum
  • Electronic ignition monitors water temperature and lights the burner only when it is needed
  • Burns natural gas or can convert 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 an older boiler, the GWB8 boiler has an 84.4% efficiency rating*—plus, it works with traditional radiator systems.

  • Electronic ignition controls 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 constructed for years of reliability
  • Comes 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

With its durable cast-iron heat exchanger and long-lasting stainless steel burners, this standard-efficiency boiler can perform for years.

  • Electronic ignition controls water temperature and ignites the burner only when needed
  • Thick fiberglass insulation greatly reduces off-cycle heat and energy loss
  • Will work 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

Give us a call at 708-301-0170 or schedule an appointment online so our team at Pinnacle HVAC LLC in Homer Glen can help you find the right boiler for you, or ensure your existing boiler is running as smoothly and efficiently as possible.