We Have a Long and Successful History

Automated Building Systems, Inc. (ABS) is a leading Energy Management Systems contractor and is the authorized Alerton representative for all of New England. ABS has been providing best-in-class products and exceptional customer service for more than 33 years throughout Connecticut, Massachusetts,  Rhode Island, Vermont, New Hampshire,  Maine, and New York.

We work in a wide array of buildings including K-12 Schools, Colleges and Universities, Healthcare Facilities, Commercial Offices, Government Facilities, Custom Residences, Hotels and Industrial Facilities. To give you an idea of the breadth and depth of our experience, we are proud to list a sampling of our satisfied customers: ESPN World Headquarters, Bristol, CT; Sacred Heart University, Fairfield, CT; Northeastern University, Boston, MA; Eastern Connecticut State University, Willimantic, CT; Worcester Public Schools, Worcester, MA; Lesley University, Cambridge, MA; St. Francis Hospital, Hartford, CT; Connecticut Children’s Medical Center, Hartford, CT; Hartford Hospital – Institute of Living, Hartford, CT; and Massachusetts General Hospital, Boston, MA.


We have more than 4000 system installations throughout New England.

Our Offices

Home Office
126 Kreiger Lane
Glastonbury, CT 06033

Phone: 860.657.9257
Fax: 860.657.3135


Massachusetts Office:
24 St Martin Dr., Building Two Unit 7
Marlborough, MA 01752

Tel: 508.251.2883
Fax: 508.251.2983


New Hampshire Office:
35 Executive Park Drive, Suite 282
Bedford, NH 03110

Tel: 603.836.3490



Corporate Office ~ CT (860) 657-9257
MA Branch ~ (508) 251-2883
NH ~ (603) 836-3490