New England Sheet Metal and Mechanical Co. (NESM) completed the installation of the Plumbing, HVAC and Hydronic piping in this existing five story courthouse including a basement. Two new chillers were installed in the basement and new condensate piping, which was the entire height of the building, was also put in place. Seven new air handlers were also furnished and installed by NESM, along with all new sheet metal duct. Three new boilers and two new heating water pumps were installed with all new hydronic piping for each floor from the basement through the fourth floor. All new plumbing piping and fixtures were installed throughout the project. Building Information Modeling (BIM) was used by all trades to ensure efficient installation and was proven to save time and money.