DLC certifies design lights consult. DLC is a joint organization composed of utility companies and regional performance agencies, and is in a leading

Energy star is a government plan jointly implemented by the U.S. Department of energy and the U.S. Environmental Protection Agency, which aims to bett

Energy efficiency index is a classification method to indicate the energy efficiency of household appliances. According to relevant national standards

Energy efficiency index is a classification method to indicate the energy efficiency of household appliances. According to relevant national standards