certified company
Based on 199 reviews
Our Certification Process
Best Pick Guarantee
Verified General Liability Ins.
Verified Workers' Comp
2nd year as a Best Pick Call
"As a local, family-owned-and-operated business for over 25 years, our service is where we shine. We are truly committed to providing customers with the utmost professional experience. Our technicians are skilled and experienced in handling your home's needs, and we take pride in completing our work down to the very last detail."

David Williams | President
Company Information
Services Offered
128 Plumbing, Heating, Cooling & Electric services, repairs, and installs residential heating systems, air conditioning systems, high-efficiency systems, ductless systems, standard and tankless hot water heaters, boilers, and furnaces. The company also offers oil-to-gas conversions, indoor air quality solutions, electrical services, and full plumbing services.
128 Plumbing offers a full warranty on all services and installations.
Company History
The company has served the Greater Boston area since its founding in 1992.
128 Plumbing is a Nest Certified Professional, a National Grid Value Plus Installer, a Mass Save COOL SMART Contractor, a Mitsubishi Diamond Elite Contractor, and a Navien Service Specialist.
Additional Information
The company has experience with products from brands such as Delta, Grohe, Toto, Honeywell, Navien, Kohler, Bryant, and Bosch.
Areas Served
Greater Boston, North Shore, MetroWest, MetroWest South
A selection of 199 homeowner reviews:
“It was a good experience. My air conditioner was leaking, and 128 Plumbing fixed it. They were great all the way around. I just think they're pleasant to work with. They're right on the ball, and they're on time, friendly, and dependable. That was an A+. I would definitely call them again.”
“They put in a ductless air conditioning and heating system. They were good all around with information and installation. They were on time, informative, and easy to work with. I would say they're an A+ company.”
“I've had a few things done. Most recently, I was just having my heating system tuned up. I'd give 128 Plumbing an A+. I'm very likely to recommend them.”
“My central air wasn't working. They were very punctual and knowledgeable. I'm very likely to recommend them—A.”
“The extent was A/C repair. I would grade it A+.”
“They did very well actually. He had to shut down the furnace for me because it wasn't working properly. They came on time, and that's the last one I called, and they did take care of it, so I was very satisfied. I grade it A+. Definitely, I will recommend them. I'm going to call those guys when I need something else as well. I like the communication and the very nice people.”
“We had a mini split installed. I'd give them an A+. I'm very likely to recommend them.”
“I've had no complaints. It was air conditioning work.”
“They replaced my gas furnace and air conditioning system. I would say it's a nine out of ten.”
“I was replacing an air conditioning unit. I'd give them an A-. I'm likely to recommend them.”