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Heating, Cooling, and More

We install, repair, and maintain the systems your property depends on. Veteran-owned service, 10+ years of experience, and reliable work for homes and businesses.

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4.90/5.00

Over 103 Happy Customers!

Find Reliable HVAC Contractors in Westport, MA, and Surrounding Areas

At ATD Mechanical Services, we provide dependable HVAC contractors in Westport, MA, for homes and businesses. With over 10 years of experience, our veteran-owned team handles heating, cooling, plumbing, and electrical work with reliable service and strong attention to detail.

615a State Rd
Westport, MA
(508) 567-6370

Veteran-Owned Service Built on Hard Work

We built ATD Mechanical Services on discipline, integrity, and hands-on trade experience. We serve homeowners and commercial property owners who want reliable results, clear communication, and long-term system performance. Our team works across HVAC, plumbing, and electrical trades, so customers get one trusted source for every job.

Free Estimates: Get clear pricing before work begins, so you can plan with confidence.
Veteran-Owned Values: We bring discipline, integrity, and careful workmanship to every project.
Over 10 Years of Experience: We have a strong track record in HVAC, plumbing, and electrical work.
One Team for Multiple Trades: We handle HVAC services, plumbing services, and electrical services under one roof.
Energy-Efficient Options: We install and maintain systems that help lower utility costs over time.
Licensed in MA and RI: We serve residential and commercial clients across Massachusetts and Rhode Island.

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Reliable Help Starts Here

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Dependable Service for Essential Systems

ATD Mechanical Services delivers reliable HVAC services, plumbing services, and electrical services for residential and commercial properties. We install air conditioning systems, handle air conditioning services and heating repairs, provide electrical repairs and upgrades, and complete plumbing installation and repair work. Customers choose us for dependable scheduling, careful workmanship, and long-term performance. Our process is simple: inspect the issue, explain the solution, complete the work properly, and test the system before we leave.

AC Installation: We provide air conditioner installation and AC installation services with proper sizing and setup for efficient cooling.
AC Repair & Maintenance: We handle AC repair services, air conditioning repair, and routine tune-ups to keep systems running strong.
Heating Installation: We install furnaces, boilers, and heat pumps with heating installation services built for steady performance.
Heating Repair & Maintenance: We provide heating system repair service, HVAC tune up work, and ongoing heating system maintenance.
Electrical Services & Repair: We complete electrical repairs, electrical panel upgrades, lighting installation services, and system troubleshooting.
Plumbing Installation & Repair: We offer plumbing services including water heater installation, leak detection, and plumbing repair services.

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Choose Service You Can Count on

When you need HVAC contractors in Westport, MA, ATD Mechanical Services is ready to help. We serve homeowners and businesses with dependable heating, cooling, plumbing, and electrical work. From system upgrades to routine maintenance and urgent repairs, we focus on reliable results, strong workmanship, and service that keeps your property running as it should.

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Services for Year-Round Comfort

We provide HVAC services, air conditioning services, heating work, plumbing services, and electrical services for homes and businesses. From installations and repairs to ongoing maintenance, we keep essential systems working safely and efficiently.

AC Installation

Get efficient cooling with properly sized air conditioner installation. Our AC installation services improve comfort, airflow, and long-term energy savings.

AC Repair & Maintenance

Restore cooling fast with AC repair services and routine maintenance. Prevent breakdowns, improve airflow, and extend system life with regular service.

Heating Installation

Stay warm with heating installation services designed for steady performance. Proper system sizing helps reduce energy use and improve indoor comfort.

Heating Repair & Maintenance

Fix heating issues quickly with heating system repair service and maintenance. Improve efficiency, reduce wear, and keep your system running reliably.

Electrical Services & Repair

Keep your property powered safely with electrical repairs and upgrades. Improve performance with panel upgrades, lighting installs, and troubleshooting.

Plumbing Installation & Repair

Solve plumbing issues with reliable plumbing services and repairs. From leaks to water heater installation, keep your system working properly.

Frequently Asked Questions

ATD Mechanical Services answers common questions from homeowners and business owners looking for reliable HVAC contractors in Westport, MA. Review our FAQs to learn more about HVAC services, plumbing services, electrical services, and what to expect when working with our team.

What HVAC services do you provide for homes and businesses?

We provide HVAC services for both residential and commercial properties, including system installation, repairs, and routine maintenance. Our team handles heating and cooling systems, seasonal tune-ups, and performance checks to keep everything running efficiently year-round.
Do you handle air conditioner installation and AC repairs?

Yes. We install new air conditioning systems for homes and businesses, making sure each unit is properly sized and set up for efficient performance. If your system is not cooling as it should, we also handle repairs, routine service, and emergency fixes to restore comfort quickly.
Can you help with heating systems during colder months?

Yes. We install and service heating systems such as furnaces, boilers, and heat pumps. Whether you need a new system, repairs, or seasonal maintenance, we make sure your heating equipment runs efficiently and keeps your space comfortable throughout the winter.
Do you offer plumbing and electrical work too?

Yes. In addition to HVAC work, we provide plumbing services and electrical services for homes and businesses. Our team handles repairs, upgrades, installations, and system troubleshooting, so you can rely on one team to keep all essential systems running properly.
Why choose ATD Mechanical Services in Westport, MA?

Customers choose ATD Mechanical Services because we offer HVAC, plumbing, and electrical services in one place. As a veteran-owned business with over 10 years of experience, we focus on reliable service, clear communication, and quality work that lasts. We provide free estimates and dependable support for both residential and commercial projects.
What payment methods do you accept?

We accept cash, check, and major credit cards for all services. This gives you simple and flexible ways to pay for HVAC, plumbing, and electrical work.

Customer Reviews

Athanasius Anagnostou

Rapid response, careful quality work, thoughtful useful advice, perfect professional attitude.We have been happy with them every single time.

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Posey Smith

Pleasant to work with from the first phone call until the job was completed. And the job was done the next day.

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Wendy Doolittle

I have used ADT Mechanical Services a number of times. Brian, who came today to fix a leak, was terrific! Karen, in the office, is always a pleasure. Continue to get wonderful service. Highly recommend!

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J Maynard

This was the second time I’ve used ATD for boiler service. I can’t tell you how impressed I am with how professional they are. Brian kept me posted the entire time as to what he was working on and why he was doing it. He was extremely polite and even got along with my dogs😁. Pricing was more than fair , I would highly recommend them for any service you need to have performed. Thank you again Brian and ATD!!!

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Nathan Murphy

Very professional, experienced, and an all around exceptional experience. I will always use Attention to Detail Plumbing.

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Doreen Garelick

ATD did excellent work on our generator installation. Every person at ATD that we had contact with was helpful, responsive, knowledgeable and professional!

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Alina Apteker

With multiple rental properties under management, being able to always count on ATD is like pure gold.

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Jay Peek

ATD is my go to for all of my plumbing and HVAC work. They have done countless full systems for me as well as maintenance and repairs. Always transparent, always upfront and always get it right. Great ownership and great people. Highly recommend!!

Google Review

Robert Duarte

I had a problem with a boiler in a house I recently inherited, they came right and took care of the problems immediately! I was very happy with the service and will use them for my yearly maintenance!

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Susan Sherman

I called Matt on Thanksgiving Eve and he came out within an hour to get the heat fixed! Had a friend having issues I gave him Matt’s number he called him back within the hour! Chris who did the work was amazing as well and cleaned up and were all wonderful!! HIGHLY RECOMMEND!!

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Emily Daggett

I can’t recommend them enough!! I’ve used them multiple times now and they’ve always been amazing. Every time I’ve had an issue, they were quick to come out and really willing to work with me to get things taken care of. Super reliable, fair, and easy to talk to. I’m so glad I found a plumber I can actually count on!

Google Review

Leonardo Medeiros

I recently had my HVAC system replaced and want to commend Matt for his exceptional professionalism. Managing a business involves navigating numerous permits, inspections, and local regulations, which can sometimes cause delays. Throughout the process, Matt handled these challenges efficiently, kept me informed, and ensured the installation was completed to a high standard. I am very satisfied with the work and would highly recommend his services.

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Skilled Across Key Trades

HVAC, Plumbing, and Electrical Solutions

Service Areas

We serve Westport, MA, plus communities across Massachusetts and Rhode Island.

Westport, MA
Dartmouth, MA
Fall River, MA
Swansea, MA
Somerset, MA
New Bedford, MA
Dighton, MA
Rehoboth, MA
Seekonk, MA
Fairhaven, MA
Mattapoisett, MA
Freetown, MA
Berkley, MA
Taunton, MA
Raynham, MA
Lakeville, MA
Bristol, RI
Warren, RI
Providence, RI
Warwick, RI
Barrington, RI
Pawtucket, RI
Newport, RI
Portsmouth, RI
Jamestown, RI
Narragansett, RI
Cranston, RI

Talk With Our Team Today

Headquarters

615a State Rd
Westport, MA

Phone

(508) 567-6370

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Tell us about your heating, cooling, plumbing, or electrical needs. We serve homes and businesses with reliable scheduling, clear communication, and free estimates.