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Single-Source Mechanical & Facilities Solutions For High Performance Environments

For over 50 years, clients across Connecticut and the Northeast have counted on NEMSI to deliver end-to-end facilities solutions for their various building environments. NEMSI builds and installs the critical systems to help ensure clients’ facilities are consistently comfortable, productive, and profitable.

SERVICE & MAINTENANCE

technician servicing HVAC equipment

Whether you need routine maintenance, 24/7 emergency service, or a full-service maintenance program, we have a solution for you.

Learn more.

CASE STUDY VIDEO

Image from the Hartford 21 Energy project

Hartford 21 chose NEMSI to create a solution that will get them off of the city's central 'energy loop.' The solution included a new central plant, building controls, and cooling tower, and will generate $1M in annual energy savings.

Watch the video.

Meet the Team

Russell Stevens bio pictureRussell Stevens, President & CEO, is just one of the many people that allow our clients to better manage tomorrow's buildings today.

Meet the rest of our team.