Crete United, a provider of energy efficiency and HVAC, electrical, and other mechanical services, agreed to acquire ProStar Energy Solutions, a HVAC and energy solutions company. Financial terms were not disclosed. "The opportunity for businesses across the country to enhance their building operations through energy efficiency has never been greater. Partnering with Crete United, a fast-growing company with established relationships and deep MEP expertise, is an amazing opportunity that will enable us to bring efficient energy management solutions to the built environment," Eric Sudol, ProStar CEO.