A Versatile Gas-Fired Steam Boiler For Your Unique Home. Brians Heating & Cooling, Inc. in Madera has the perfect gas-fired steam boiler to keep your home snug and comfortable season after season. The Lennox® GSB8-E provides extraordinary benefits. Our experts are happy to install yours, or help you fix your home’s steam boiler. GSB8-E BoilerSetting it apart from other standard-efficiency boilers, this boiler earned an 82.7% AFUE* and features a cast-iron heat exchanger and titanium burners. The GSB8-E will provide cozy, comfortable warmth for many, many years. Electronic ignition monitors water temperature and lights the burner only when needed Vent damper increases efficiency by closing automatically when the boiler turns off Thick fiberglass insulation reduces off-cycle heat and energy loss Burns natural gas or convertible to LP gas Compatible with traditional radiator and underfloor heating systems Electronic low water cut-off Big steam chest and multiple supply connections reduce noise Available in seven different sizes to fit your home’s particular needs 12-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts Efficiency Rating (AFUE): up to 82.7 Product Brochure Contact Us to Learn More Call Brians Heating & Cooling, Inc. at 559-900-1170 for all your boiler-related needs in the Madera County area. Or, schedule an appointment with our online scheduler. We look forward to serving you! *Annual Fuel Utilization Efficiency (AFUE) measures how efficient the appliance is in converting its fuel’s energy into heat over the course of a year.