Everyone’s Home is Unique and Air Houston Mechanical LLC Has the Versatile Gas-Fired Steam Boiler For You. If you’re looking for a new gas-fired steam boiler (or for the right company to repair your home’s steam boiler) in the Humble neighborhood, Air Houston Mechanical LLC is ready to help. We have the Lennox® GSB8-E, which boasts a vast array of benefits. GSB8-E BoilerThis steam boiler rises above its competition with an 82.7% AFUE rating* and exceptional components like a cast-iron heat exchanger and titanium burners. For season after season of comfortable heat, look at the GSB8-E. Electronic ignition controls water temperature and ignites the burner only when there is demand 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 Will work with traditional radiator and underfloor heating systems Electronic low water cut-off Big steam chest and multiple supply connections help eliminate 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 Air Houston Mechanical LLC in Humble is always ready to help you with a new high efficiency boiler! Call us at 832-777-1521 or schedule 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.