Boiler Overview 
  For Natural Gas Customers

A residential boiler heats water for your living space comfort. As much as half of the energy used in your home goes to heating and cooling. So making smart decisions about your home's heating, ventilating, and air conditioning (HVAC) system can have a big effect on your utility bills. 

ENERGY STAR® certified appliances achieve greater efficiency (AFUE) ratings of 85% or higher. The higher the AFUE rating on a boiler, the more fuel efficient the boiler is. Compare ENERGY STAR certified boilers.

An ENERGY STAR certified boiler includes:

  • electric ignition, which eliminates the need to have the pilot light continuously burning
  • new combustion technologies that extract more heat from the same amount of fuel
  • sealed combustion that uses outside air to fuel the burner, reducing drafts and improving safety
boiler, boiler furnace
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