Caswell Mechanical, Inc. was founded by Jeff Caswell in 1999 as a full service plumbing, heating, ventilation and air conditioning company. Jeff has over 20 years experience in the industry, is licensed as a master plumber in both Massachusetts and New Hampshire; and, is EPA certified.

Caswell Mechanical’s trained technicians have years of experience providing plumbing, heating, ventilation and air conditioning services, repairs and installations for residential, industrial and commercial accounts. The Caswell team will provide prompt, friendly, efficient and professional service for any size project, large or small.