Furnaces are the most commonly used residential heating system in the United States.
Products qualifying for this EPA program will be identified by the EPA Energy Star logo. Most of the major furnace manufacturers have decided to participate in the EPA program. Actual savings for individual homeowners will vary based on geographical area of the country, local gas rates and the age and size of the home. Air conditioners and heat pumps About half of all energy used by households goes to heating and cooling the home. By increasing the efficiency of new heat pump and air conditioning units being installed, we can dramatically reduce the nation's energy consumption and resultant pollution.