ACS System Associates works throughout the tri-state area including NYC, Nassau and Suffolk counties in Long Island, Dutchess, Putnam Orange and Rockland counties in Upstate New York, Western Connecticut and Northern New Jersey. We focus on Mechanical Services including Heating, Ventilation and Air-Conditioning (HVAC); however, we are also a General Contractor on many projects. We provide technical and management services as well as installations to a broad range of customers and markets, including schools, commercial spaces, historical and current land marks, housing, water and energy facilities, and other government agencie