Ethan MacCormick

Performance Systems Development LLC provides building-efficiency software products. It also offers a comprehensive approach to energy efficiency programs. The firm also offers targeted retrofit energy analysis tool, an energy audit software solution for energy analysis and building modeling; green energy compass that launches and manages an energy efficiency program; and building performance compass that provides commercial and multifamily building owners and portfolio managers a tool for benchmark building performance and tracking on-going energy use. The company was founded by Gregory Thomas in 1998 and is headquartered in Ithaca, NY.