Plumbing & HVAC Contractors

Have a Plumbing, Gas, or HVAC Project?

Let's discuss it! We are a family-owned, full-service plumbing and HVAC contractor providing services in Massachusetts and the surrounding area. Our company specializes in the installation of various plumbing systems in a wide range of buildings, including residential homes, commercial multi-unit apartment buildings, and more.

Water Heater Installation and Replacement In Massachusetts
Commercial Plumbing
Commercial Plumbing Massachusetts

Proactive Protection For Your Home, Business, or Commercial Projects

We believe your needs are important and your time is valuable, which is why we offer the very best plumbing, heating, cooling, and indoor air quality services for your home and business. We make sure to do it right!

We are tandem mechanical

The highest standard of Plumbing and HVAC services In Massachusetts

Commercial Plumbing in New England

TMI offers a comprehensive suite of plumbing services tailored to meet the diverse needs of residential, commercial, and industrial clients across Massachusetts. From precise installations to swift repairs and meticulous maintenance, our team handles every aspect of plumbing with precision and attention to detail. Whether it’s addressing a minor faucet leak or revamping an entire plumbing system, TMI possesses the expertise to conquer any challenge and deliver exceptional results.

Why Tandem Mechanical Inc.?

Highest Standard of Practice in the Industry

Licensed Experts

We are licensed in the state of Massachusetts, Vermont, and Connecticut, CT, and R

Bonded & Insured

We are bonded and insured.

In- Home Estimates*

We offer in home estimates for a flat fee of $50.00

Guaranteed Parts & Workmanship

We guarantee the parts we use and our quality of workmanship.

Upfront Flat Rate Pricing

We are always upfront with pricing.


We always show up on schedule.

Starting a new project or want to collaborate with us? Let's talk!