Gas-Fired Water Boilers Provide Years of Efficient Heat.

If you’re looking for warm, even heat from an energy-efficient source, ACS Inc in Metro Atlanta will help you find a gas-fired water boiler to meet your needs. With many ENERGY STAR® qualified alternatives, we’re positive we have the Lennox® gas-fired water boiler that you’re looking for.

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 features an electronic ignition control, which adjusts power to the burner to your household’s consumption to help ensure it saves as much fuel as possible while keeping your house at a comfortable temperature.

  • Strong, self-cleaning, stainless steel heat exchanger converts wasted energy into usable heat
  • Sealed combustion keeps operating noise at a minimum
  • Modulating power perfectly meets 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. In fact, it carries an AFUE rating of 90%.* It also transfers heat up to three times faster 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 installation flexibility
  • Minimized noise from sealed combustion
  • Electronic ignition oversees water temperature and turns on 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 lights the burner only when needed
  • Thick fiberglass insulation minimizes off-cycle heat and energy loss
  • Cast-iron heat exchanger and titanium burners designed for years of durability
  • Available 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 will last for years to come because it’s constructed from durable 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 significantly reduces off-cycle heat and energy loss
  • Works with traditional radiator systems
  • Offered 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 ACS Inc in Metro Atlanta is here 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 770-939-7500.