Ambient Temperature Corporation is a mechanical service contracting
company serving commercial, industrial and institutional markets within
Eastern Mass., New Hampshire and Southern Maine.

24-Hour Service

Many mechanical service contracting companies will claim a 24/7/365 commitment to availability, but at ATCO you can depend on it.

Full-Service Contracts

Our company’s roots are in service. Although we’ve grown and expanded our capabilities since our founding, service is still our passion.

Periodic Maintenance

We have earned our customers’ trust over the past 20 years because of our staff stability, effective project management.

Labor Only

Call us to discuss your facility’s HVAC needs and the various maintenance-contract options that we offer. A heating or cooling crisis can be prevented.




ATCO has built a solid reputation in the construction industry. We possess the manpower, equipment and knowledge to professionally install HVAC, plumbing and process-piping systems for private- and public-sector customers within the commercial, industrial and institutional markets.

Ambient Temperature

Ambient Temperature Corporation

14 Graf Road
Newburyport, MA 01950

Phone 1: 978.646.0660
Phone 2: 978.646.0661


Copyright © 2017 ATCO. All rights reserved.

Founded in 1985, ATCO’s services include the installation and maintenance of heating, air conditioning, refrigeration, process piping, plumbing and all types of air-handling systems, as well as design-build and plan & spec projects.