Partner Resources

Home > Partner Resources > Specifications in Development > Product Development Archives > Furnace Specification

Furnace Specification

EPA has finalized the ENERGY STAR Version 2.0 specification for Furnaces. The new specification includes a Tier I 83% AFUE requirement for oil furnaces that became effective October 27, 2006. EPA is continiuing work on developing a furnace fan efficiency requirement for both gas and oil furnaces under Tier II, scheduled to take effect on October 1, 2008. This Web page will be updated periodically as new information is received.

Consumers may visit the ENERGY STAR products pages for information on qualified furnaces.

Oil Furnace Tier 2 Memo (52KB)