In March 28, 2014, the United States under the energy policy and Conservation Act of 1975 (EPCA) for revision of the standard of energy saving. The effective date for May 27, 2014, is to cover a variety of consumer products and some commercial and industrial equipment, energy efficiency standards including commercial refrigeration equipment. It is understood that the United States Department of energy for commercial refrigeration equipment will adopt a more strict energy efficiency standards. Energy saving standards revised will make the relevant product energy consumption, energy-saving technology and other aspects of change.