A Versatile Gas-Fired Steam Boiler For Your Unique Home. Desert Suns Heating & Cooling in Albuquerque has the ideal gas-fired steam boiler to keep your home warm and comfortable for years to come. The Lennox® GSB8-E delivers extraordinary benefits. Our friendly staff is here to install yours, or help you repair your current steam boiler. GSB8-E BoilerA cast-iron heat exchanger, titanium burners, and an 82.7% AFUE* rating set this steam boiler apart from other standard-efficiency gas-fired steam boilers. The GSB8-E will deliver cozy, comfortable warmth for years to come. Electronic ignition oversees water temperature and lights the burner only when needed Vent damper increases efficiency by closing automatically when the boiler turns off Thick fiberglass insulation helps minimize 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 Large 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 Reach out to Desert Suns Heating & Cooling at 505-994-9176 for all your boiler-related needs in the Albuquerque area. Or, set up 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.