About DEI Systems

With a keen eye on the rapid changes in business environments, DEI Systems LLC recognizes the need for technological advancement in the high tech electrical/energy/life safety systems industry.

For the past decade and beyond DEI Members have serviced the high tech, commercial, industrial, educational, retail, high end residential and professional markets by providing Electrical Construction, Full Service Fire Alarm Testing with UL Certification, and Design Build Services to businesses. Our experience in the industry is tailor made for today’s educated facilities managers and end users.

Currently, DEI Systems employs over 70 qualified licensed Electricians, Fire Alarm Technicians, Controls Installers, Tel-Com & Security Systems Specialists & Registered Apprentices from all over New England. We repair, service, and install: Clean Rooms, Computer Rooms, and Test Chambers, as well as Lighting Systems, Fire Alarm Systems, Security System wiring, HVAC System wiring, Automatic Temperature Control Systems, UPS, Generator, High Voltage Systems, Data and Voice cabling, Building Demand and Smart Metering, Grounding, Lightning Protection, and Standard Office Adds Moves and Changes. We troubleshoot special problems including: power quality, electrical “noise”, fire alarm ground faults and alarm, nuisance tripping, etc. We perform energy efficient retrofit on projects including lamps, ballasts/kits, motors, and VFD’s. DEI is also fit to offer energy savings ideas and programs for the new “Green Era”.