Welcome to Thermo-Dynamics International, Inc

Thermo-Dynamics International, Inc. is recognized as one of the most respected mechanical insulation companies in New England.

Our Mission is to provide customers with the highest level of knowledge, professionalism and craftsmanship from first contact through project closeout. Our customers can expect exceptional quality work completed on schedule, within budget, and done safely. Our goal is to exceed all your expectations and become your “go–to” partner for all your Mechanical Insulation needs.

We have experts in a broad range of applications: steam, chilled, hot water piping, HVAC duct, tanks and vessels, valves, pumps, exchangers, turbines, marine engine exhausts, LNG piping, refrigeration, cryogenics, cold storage, underground piping, kitchen exhaust, heat traced piping, acoustical insulation, fabricated removable insulation bags and much more.

We have proven success serving customers in schools, high-rise buildings, power plants, pharmaceutical facilities, marine vessels, water treatment plants, and more.

Whether it’s sending one of our “quick-response” service vans to do an emergency repair or executing a multi-million dollar “boiler room to roof” HVAC insulation job we look forward to partnering with you on your next project. Contact TDI today to request an estimate, site visit or Certified Energy Audit. You will not be disappointed.

TDI is a Veteran Owned Company.




– A properly designed, specified, installed and maintained insulation system is an investment with a high rate of return – PAYBACKS ARE OFTEN LESS THAN 6 MONTHS

– Insulation is one of the most effective technologies available today to conserve energy, save money and preserve the environment.

Companies that implement a comprehensive plan to reduce energy spending will gain a definitive competitive edge.

Energy Savings with the use of mechanical insulation (“Low-Hanging Fruit”) is simply an OPPORTUNITY that cannot be overlooked.