The two sides signed a memorandum of understanding (MOU) on July 18 to promote home-performance contracting to customers, government entities, and EnergySmart Home Performance Teams. “I think the most immediate impact from this MOU is that HVAC contractors will have a path to accreditation through ACCA,” said Wes Davis, vice president, quality assured programs, ACCA. “HVAC contractors interested in home performance now have a pathway to accreditation through the nation’s largest association of indoor environmental systems professionals.”