Energy federation, INC. (EFI) was established in 1982 as a massachusetts 501(c)(4) not for profit organization with the purpose of providing quality affordable conservation products to the public and assisting them in using energy resources efficiently. In 1985 EFI partnered with other organizations to design and implement successful resource conservation service programs for electric utilities. This LED to EFI supplying energy efficiency products for installation in homes during energy audits.today, EFI's current work CAN largely CAN be segmented into two categories:-the distribution of energy efficiency-related products, and -the provision of services through which financial incentives are used to accelerate the adoption of energy efficient technologies.