Everyones Home is Unique and Dial One Mears Air Conditioning & Heating Inc Has the Versatile Gas-Fired Steam Boiler For You. When you’re shopping for a new gas-fired steam boiler (or for someone to repair your existing steam boiler) in the Phoenix neighborhood, Dial One Mears Air Conditioning & Heating Inc is here for you. We sell the Lennox® GSB8-E, which comes with a long list of benefits. GSB8-E BoilerThis steam boiler is superior to its competition with an 82.7% AFUE rating* and noteworthy components like a cast-iron heat exchanger and titanium burners. For years of comfortable heat, look to the GSB8-E. Electronic ignition controls water temperature and lights the burner only when needed Vent damper increases efficiency by closing automatically when the boiler turns off Thick fiberglass insulation minimizes off-cycle heat and energy loss Burns natural gas or convertible to LP gas Will work with traditional radiator and underfloor heating systems Electronic low water cut-off Large steam chest and multiple supply connections help eliminate noise Available in seven different sizes to fit your home’s individual 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 Dial One Mears Air Conditioning & Heating Inc in Phoenix is always ready to help you with a new high efficiency boiler! Call us at 602-832-7808 or set up an appointment online. *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.