ENERGY STAR Program Requirements for Residential Boilers Version 3.0

Policy Details

Products that meet the definitions of a residential boiler and combination space-heating and water heating appliance as specified in the policy document are eligible for ENERGY STAR certification.

Residential Boiler: A self-contained fuel burning appliance, with input less than 300 000 Btu per hour and operating at or below 160 psig water pressure and 250F water temperature, to supply low pressure steam or hot water for space heating applications. A heating unit that meets this definition and also provides hot water for domestic or other use is considered a combination space-heating and water heating appliance for purposes of this agreement.