The Energy Federation Inc. (EFI)

EFI was incorporated in 1982 by six nonprofit energy organizations with the purposes of helping those member groups and other organizations economically purchase quality conservation products and assisting the public in using energy resources efficiently.

Website: info@efi.orgPhone: 508 870-2277Mailing Address:40 Washington Street, Suite 2000
Westborough, MA 01581-1088Date Updated: 11/24/2010