Welcome to J.S. Mortimer, Inc.

We are a Design-Build Mechanical Contracting firm located in central Massachusetts with the unique feature of an in-house engineering team, including an on staff Professional Engineer. We serve the needs of commercial and industrial clients concentrated in Massachusetts. We have built our reputation on open and honest client relationships and our obsession with customer satisfaction.

Our strengths and capabilities:

. Heating, ventilation, and air-conditioning installation and repair
. Plumbing installation and service
. Engineering Services
. Gas and process piping
. Medical gas piping
. Sheet metal ductwork
. Chilled, hot water and steam piping
. Preventative maintenance agreements

Our Design-Build commitment:

The in-house engineering team coupled with our experienced and talented field personnel of seasoned plumbers, pipefitters, and HVAC mechanics makes our company unique. J.S. Mortimer Inc. encourages a strong sense of teamwork, and each project is a collaborative effort between the office staff and field personnel. What also separates J.S. Mortimer Inc. from our competitors is our attention to detail and the attention paid to the client’s interest. Each project is completed to the client’s satisfaction and in the client’s best interest. The reputation of our business is built not on volume, but more importantly, quality. We take pride in our work and we stand behind it.