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

When you’re shopping for a new gas-fired steam boiler (or for an expert to fix your current steam boiler) in the Colfax area, Ackerman Heating & Air Conditioning is ready to help. We have the Lennox® GSB8-E, which boasts a diverse menu of benefits.

GSB8-E Boiler

This steam boiler rises above its competition with an 82.7% AFUE rating* and notable components like a cast-iron heat exchanger and titanium burners. For many years of comfortable heat, look at 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 reduces off-cycle heat and energy loss
  • Burns natural gas or can be converted to LP gas
  • Compatible with traditional radiator and underfloor heating systems
  • Electronic low water cut-off
  • Big steam chest and multiple supply connections work to eliminate noise
  • Available in seven different sizes to fit your home’s unique 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

Ackerman Heating & Air Conditioning in Colfax is is here to help you with a new high efficiency boiler! Call us at 509-397-3622 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.