Plumbing, Heating, Cooling & Electrical Experts

24/7 HVAC, Plumber & Electrician in Waltham, MA

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Top-Rated Local Home Service Company

Traffic along Moody Street doesn’t slow down much, and neither do the heating, cooling, plumbing, and electrical systems inside Waltham homes. Between older multi-family properties near downtown, historic homes around Prospect Hill, and newer renovations closer to Route 128, homeowners across Waltham deal with a wide range of system issues throughout the year. Landry Mechanical has spent years working throughout the city, handling everything from emergency furnace repair and AC service to plumbing leaks and electrical upgrades.

You’ve likely seen our trucks moving past Bentley University, parked outside homes near Beaver Street, or navigating neighborhoods around the Charles River between calls. Some homes in Waltham still rely on aging pipes and outdated electrical panels, while newer additions and remodels often require modern HVAC systems capable of handling year-round New England weather.

When something starts failing inside your home, quick service can help prevent much larger disruptions later.

Plumbing Services

Waltham’s mix of historic homes, apartment buildings, and renovated properties creates a wide variety of plumbing challenges. Older galvanized piping, recurring drain blockages, and worn-out water heaters are all common throughout the city.

Landry Mechanical provides reliable home plumbing solutions throughout Waltham, including repairs, replacements, and emergency plumbing services.

Even small leaks can lead to costly damage in older Waltham homes. Addressing plumbing problems early usually helps avoid larger repairs and water-related damage later.

Heating & Cooling Services

Waltham homeowners rely heavily on dependable HVAC systems through freezing winters and humid summer stretches. Older heating systems often struggle during extended cold snaps, while aging AC units can have difficulty keeping up once temperatures climb into the 90s.

Landry Mechanical provides dependable HVAC repair and replacement services throughout Waltham, including furnace repair, AC service, mini split installation, and heat pump solutions.

If your heating or cooling system has become unreliable, louder than usual, or less efficient, scheduling service early can help avoid peak-season emergencies.

Electrical Services

Many Waltham homes were built decades before today’s electrical demands became standard. Once EV chargers, modern HVAC systems, home offices, and large appliances are added, older electrical systems often struggle to keep up safely.

Landry Mechanical provides licensed electrical installation and repair services throughout Waltham.

Electrical issues should never be ignored. If your home experiences repeated breaker trips, buzzing outlets, or flickering lights, it’s worth having the system professionally inspected.

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

Why Choose Landry Mechanical?

  • One company for HVAC, plumbing, drain, and electrical services
  • Emergency support available for heating, cooling, and plumbing issues
  • Familiar with Waltham’s historic homes, condos, and newer developments
  • Licensed technicians for plumbing, HVAC, and electrical work
  • Experience handling demanding New England weather conditions
  • Responsive scheduling throughout Waltham and the surrounding Greater Boston communities

Landry Mechanical continues to help Waltham homeowners stay ahead of heating failures, plumbing leaks, cooling issues, and electrical problems before they turn into larger disruptions.

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Hear From Our Satisfied Customers

Great job done by such a nice guy !! Mike Dowd , He was professional knowledgeable and explained everything that needed to be done and how he was going to do it .Great experience!!
Angela Clemmer
17 hours ago
Randy was fantastic and performed perfectly. I would recommend them to anyone.
Maurice LeFort
18 hours ago
Highly recommend Landry Mechanical! I hired them for installation of a new HVAC/ heat pump. From sales to installation… great customer service, responsive to questions, and professional and friendly team. They talked through all options for my heat and cooling needs so I felt it was a collaborative process. It’s a big expense and I felt they had my best interests in mind.
Christine Svitila
22 hours ago
The whole experience was great . Professional
And Friendly .
Kevin Callahan
1 day ago
Friendly, Professional service.
Kurt Jorritsma
2 days ago
Excellent service from Landry Mechanical. It's easy to get an appointment, the technicians are very polite and knowledgeable, they provide free and reasonable estimates and they get the job done! I recommend Landry Mechanical!
Ashok Joshi
3 days ago
Hunter and Ricky were very friendly and knowledgeable concerning the servicing and maintaining my plumbing appliances and bathroom fixtures. They gave me options on possible issues and let me decide on priorities. I was very pleased with the services provided and look forward to having my home serviced by Landry in the future.
Jacqueline Coppedge
3 days ago
As always, the Landry team was awesome. Honesty and clear upfront explanations of the work are their trademark.
Carol Masiello
3 days ago
I have a boiler maintenance plan with Landry. They completed startup service for our condensing gas fueled boiler . My wife & I are retired engineers. Eddy the technician is very knowledgeable and worked efficiently. His customer service skills are excellent! He patiently answered all our questions & fully explained his inspection findings. He quickly put a proposal together, got our approval to proceed and went to get the new parts needed. The boiler maintenance was done in an hour.

And So the boiler is ready for reliable service this winter. Thanks Landry!
Paul Popinchalk
4 days ago
Technician arrived right on time. He (Anthony) was friendly, courteous and very professional. Anthony listens carefully to the issues and then provided a reasonable and practical solution. Overall cost was reasonable. My only concern is that it is not easy to talk to a human being during the booking process. Have to go through an IVR then a AI bot. Company could make the engagement process easier and less complicated.
Mike Norman
4 days ago
We had a plumbing issue that Nick from Landry handled quickly and professionally. Great service and a fair price. I would definitely recommend Landry, especially Nick, who was terrific.
Matt Hurley
4 days ago
Landry Mechanical recently helped me with a rather stressful issue concerning my main water feed line to my house from the well pump that developed a substantial leak. Techs Nick Gosselin and the other man who I only knew as Ricky, worked tirelessly to get the leak located and eventually repaired. Then a complete water pressure check was performed inside. Nick's go to "dig guy", Mark, from Micheal's Landscaping in Shrewsbury, was also very instrumental in the repair with his expert excavation skills. All in all, a very positive outcome to a not so pleasant situation
Steven Marohn
4 days ago
Very reasonable price with professional and friendly service. Thank you.
Qui Chau
4 days ago
Mike was very professional and knowledgeable. He came to repair my Generac generator. He found the problem quickly and offered a few different options for the repair and on going maintenance. No pressure sales tactics, just providing information and letting me choose the best option for me. I will be continuing to do business with Landry Mechanical in the future. I would like the folks at Landry to know that this is my first ever review in my life. I do not make endorsements lightly. I was so impressed with the service that I received today that I wanted to share my thoughts and rating for Landry Mechanical.
Donald Stevenson
5 days ago
This was my second time hiring Landry Mechanical for electrical work. It was a question of determining whether an appliance or a circuit breaker was faulty. The technician (Michael) traced the issue from the breaker box to the appliance itself and, as it happened, the problem was with the appliance. There was no charge for the service. Thanks!
Mark Matteson
5 days ago
Landry Mechanical made the entire experience amazing from start to finish. The moment I called to make the appointment, I felt taken care of.

Our comfort advisor was fantastic — patient, knowledgeable, and genuinely focused on helping us choose what was best for our home. No pressure, just honest guidance.

The install team who put in our whole‑home heat pump was just as impressive. Professional, friendly, and clearly experts at their craft. They worked efficiently, kept everything clean, and made sure we understood the system before they left.

Every part of the process was smooth, respectful, and professional. I couldn’t be happier with the service we received from
Carol Charron
1 week ago
Most important they showed up. where neat, clean and respectful. Took care of the problem in a quick efficient manor. I can always count on Landry.
J Cone
1 week ago
I hired Landry for electrical work and A/C and they were professional did a great job did what was planned and in a timely manner would call them in future
Joslin L
1 week 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.