Who we are

Based in Hicksville, NY, with a satellite office in Mount Vernon and a Warehouse in Westbury, ACS System Associates works throught the tri-state area including NYC, Nassau and Suffolk counties in Long Island, Dutchess, Putnam Orange and Rocklad counties in Upstate New York, Western Connecticut and Northern New Jersey.

We have worked with diverse clients like local and state government agencies and commercial owners for over 30 years.

During that time, we’re Assured Client Satisfaction by monitoring our projects from inception to completion and beyond to ensure that all our customers are satisfied.

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 abroad range of customers and markets, including schools. commercial spaces, historical and current landmarks, housing, water and energy facilities, and other government agencies.

Take a look through our projects to see the variety of work we have done and visit our services page to see what we can do for you.