Low Delta T syndrome is a common and costly problem in many large facilities worldwide. This was the case for JJL, Commercial real estate agency for the Tennessee State office buildings until the installation of the Belimo Energy Valve. Citizen Plaza and Andrew Jackson are reaping the rewards of higher Delta T with improved occupant comfort, elimination of penalties to the district energy plant, along with a savings of 49% in chilled water pumping and over $23,000 a year in chilled water savings.