Gas-Fired Water Boilers Provide Years of Efficient Heat. Gas-fired water boilers offer comfortable, even heat with little to no noise. What’s better is their excellent energy efficiency. At Bormida Mechanical Services Inc in Springfield, several of the Lennox® gas-fired water boilers we carry are ENERGY STAR® qualified. Read more about the features of our high-efficiency boilers. GWM-IE BoilerThis gas-modulating condensing water boiler is ENERGY STAR® qualified and 40% more efficient than conventional boilers. In fact, it carries a 95% AFUE rating.* To get the most fuel savings, it is equipped with an electronic ignition control that turns on the burner to meet your household demand to ensure it uses only the energy it needs to keep your home cozy. Durable, self-cleaning, stainless steel heat exchanger changes waste energy into usable heat Sealed combustion reduces noise 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 eliminates the use of metal in the venting area. 15-year limited warranty on heat exchanger, 10-year limited warranty on remaining covered components Efficiency Rating (AFUE): up to 95 Product Brochure Contact Us to Learn More GWB9-IH Boiler The GWB9-IH boiler effortlessly integrates 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 traditional cast-iron exchanger. Dependable, heavy-gauge steel cabinet with baked-on paint finish Compact design for installation flexibility Sealed combustion minimizes noise Electronic ignition controls water temperature and ignites the burner only when 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 Efficiency Rating (AFUE): up to 90 Product Brochure Contact Us to Learn More GWB8-IE Boiler With an 84.4% efficiency rating,* the GWB8-IE boiler is significantly more efficient than an older boiler—it also works with older radiator systems. Electronic ignition monitors water temperature and turns on 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 reliable use 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 Efficiency Rating (AFUE): up to 84.4 Product Brochure Contact Us to Learn More 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 monitors water temperature and turns on the burner only when needed Thick fiberglass insulation significantly reduces off-cycle heat and energy loss Compatible with traditional radiator systems Comes in nine different sizes for installation anywhere in your home Burns natural gas or convertible to LP gas 20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts Efficiency Rating (AFUE): up to 83.9 Product Brochure Contact Us to Learn More Reach us at 217-210-2662 or schedule an appointment online so our experts at Bormida Mechanical Services Inc in Springfield can help you find the right boiler for you, or get your current boiler running as smoothly and efficiently as possible.