A Versatile Gas-Fired Steam Boiler For Your Unique Home.

If you need a new gas-fired steam boiler (or for an expert to repair your existing steam boiler) in the Carlsbad community, Banister's Heating & Air Conditioning Services is here to help. We offer the Lennox® GSB8-E, which comes with a vast array of benefits.

GSB8-E Boiler

This steam boiler is superior to 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 to the GSB8-E.

  • Electronic ignition controls water temperature and turns on the burner only when there is demand
  • Vent damper bolsters efficiency by closing automatically when the boiler is off
  • Thick fiberglass insulation helps minimize off-cycle heat and energy loss
  • Burns natural gas or can convert to LP gas
  • Will work with traditional radiator and underfloor heating systems
  • Electronic low water cut-off
  • Hefty steam chest and multiple supply connections reduce 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
GSB8-E Boiler
Efficiency Rating (AFUE): up to 82.7

Banister's Heating & Air Conditioning Services in Carlsbad is ready to serve you with a new high efficiency boiler! Call us at 575-887-7777 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.