Plumbing, Heating, Cooling & Electrical Experts

Heating and Cooling, Plumbing & Electrical in Holliston, MA

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Local & Family-Owned Home Service Company

Our service trucks are a regular fixture along Washington Street and the residential avenues surrounding the Upper Charles Rail Trail. We understand the specific demands of Holliston’s housing stock, where meticulously kept colonial properties in the Mudville neighborhood sit alongside mid-century ranches and newer builds near the Sherborn line. Maintaining these homes requires a technical partner familiar with the local climate’s impact on older infrastructure, from the heavy moisture levels near Lake Winthrop to the high energy demands of modern households.

Reach out to our team to coordinate your next home service visit.

Heating & Cooling

The inland location of Holliston often results in slightly more extreme temperature swings than the coastal regions of the state. We ensure your heating and cooling equipment is sized and maintained to handle these fluctuations efficiently, reducing your energy costs while maximizing indoor comfort.

Contact us today for professional HVAC services in Holliston.

Plumbing Services

Holliston’s water infrastructure involves a mix of town supply and private wells, each presenting unique maintenance requirements. We specialize in the nuances of both, ensuring that your filtration systems, water heaters, and internal piping remain free of the mineral buildup common in the MetroWest area.

Schedule plumbing services for your Holliston home today by calling or contacting us online.

Electrical Services

The transition to a more electrified home environment often requires a professional look at your existing service capacity. Whether you are adding a modern kitchen or need to secure your home against local power outages, our electricians provide the technical expertise to keep your power system safe and compliant.

Schedule an electrical service appointment with a professional electrician today.

Drain & Sewer

Aging tree roots and older pipe materials can lead to sudden backups that threaten your home’s interior. We utilize non-invasive camera technology to inspect your lines, identifying problems early and providing solutions that restore full flow to your drainage system.

Connect with our team for expert drain service.

Need fast help with plumbing, heating, AC, or electrical? Call or schedule service today!

Why Choose Landry Mechanical Inc?

  • Skilled technicians proficient in HVAC, plumbing, and electrical trades.
  • Local expertise regarding Holliston’s specific water and utility configurations.
  • Dedicated to providing clean, professional, and efficient home repairs.
  • Clear project communication from initial call to final inspection.
  • 24/7 Emergency Services

Schedule your next service online or by calling today.

Fresh Air, Fresh Savings

$50 OFF

Any HVAC Repair Over $300!
Disclaimer: Offer Must Be Presented at Time of Sale. Get $50 OFF Any HVAC Repair or tune-up. Cannot Combine Offers. Offer Valid From May 1, 2026-June 30th, 2026 Expires: June 30, 2026

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Hear From Our Satisfied Customers

One of our best experiences with any company. Garret, Gaven, Julian, Don, Demitri, Kyle and Ian were beyond professional, respectful, courteous on top of knowing their stuff! Made sure all our questions were answered and our knowledge of how the units worked Big job, scheduled quickly and completed in 1 1/2 days! I would recommend your company, especially the guys mentioned above to anyone/everyone. Outstanding customer service!
Diane Dwyer
1 day ago
Very pleased - highly recommend!
Ellen Deutsch
3 days ago
Sammy is GREAT!! Cleaning was recommended and boy did it work — on my split duct system
Alyssa Goodman
3 days ago
Gavin and Kyle installed a new AC unit yesterday and did a great job. Very friendly and knowledgeable. Greatly appreciate them being here during a very hot 2 days.
Mary Ann Keyser
1 week ago
They did an amazing job replacing my ac system. My mom came home on hospice on a Wednesday. And my central air died that same day. Called them and they came right out Thursday morning to diagnose the problem. Tuesday the following week they were here bright and early. They finished up the install Wednesday. They were professional, neat clean and prompt. I highly recommend them!
Erik Stenquist
1 week ago
I had a scheduled annual check up of my furnace, which was installed around nine years ago. Corey was very nice. Let me know everything was fine. Gave me a couple of optional upgrades. If I was interested Landry get me informed as to when Cory would be showing up. I like the fact that they are certified employees. Great company. UPDATE. My annual furnace update again by Joe and again had a wonderful experience with Landry He was very thorough explained everything no pressure to take his suggestions which I know I will do just not at this moment. I do appreciate the staff and the service that I get from Lang.
Valerie Meadows
1 week ago
Fast, courteous, great service. Thank you
David Wojcik
2 weeks ago
I was very pleased with everyone involved in the project. Garrett was especially helpful, thorough and pleasant. Landry is lucky to have him as an employee.
Lois Benotti
2 weeks ago
Clean, respectful, responsive, polite and knowledgeable. Now a days these qualities are scarce and not to be taken lightly because the competition costs as much (or more) and they will trash your house and talk to you down when you ask for a description of the problem… I only say this because it was part of my personal experience with a different company and it was very discouraging.
Yahenys Dominguez
2 weeks ago
Your guys were very professional and explained everything in detail. Snaking a drain can be very messy but they keep everything clean and organized.
Sheila Gravelle
2 weeks ago
Responded in one day (without being subscription member). Kyle reported on time and was polite, professional, and courteous. We are now subscribed customers.
Richard Dumas
2 weeks ago
It was a very pleasant experience ! The technicians were very knowledgeable and fair ! Thank u
Linda Shack
2 weeks ago
Eddy Russell is an OUTSTANDING technician and I was lucky enough to have him come to my home today. So glad I switched to Landry 4 years ago.!
MARY PARKIN
2 weeks ago
Amazing team. From on the office, scheduling to their field staff. The tech that came out was and extremely joyful, smart, technicaly prepared. Rosie was a true joy to meet and efficient. Excellent experience!!
Eric Arthur
2 weeks ago
Kyle from Landry mechanical came out and was able to help me repair my system really quickly. He was super professional, super friendly, and explained everything clearly. They have become my chosen HVAC company moving forward!
Joe Toscano
2 weeks ago
Randy and Ricky were prompt, knowledgeable, professional and clean. Great service from this company.
Heidi Quinn
2 weeks ago
We recently completed a large AC job and couldn’t be happier with Landry’s service. From the sales team to the install team, everyone was great to work with. They were timely, communicative and affordable to work with. I highly recommend Landry for your HVAC needs.
Alyson Turner
2 weeks ago
Landry technicians replaced my HW heater and smoke detectors. Both Teams were excellent - extremely courteous, efficient and professional. I have had Landry do alot of work to my house (HVAC, electric, plumbing) and they always do a fantastic job!
Michael Casey
3 weeks ago
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    When you need AC, heating, plumbing, or electrical repairs and replacements, call Landry Mechanical Inc Plumbing HVAC & Electric or book online for appointments in Millbury, MA, and throughout Worcester, Middlesex, and Norfolk Counties.