Get matched with top tankless water heater repair pros in Marshfield Hills, MA

"He called us early morning and by early afternoon we had a new hot water heater. Very professional. I would recommend to all."

"Chris Keith and his workforce did a great job of installing my tankless forced hot water heater. The job was completed on time and on budget!"

"Replaced a tank water heater, the door was too narrow so first pitched removing framing with no guarantee that it’d be replaced correctly. I suggested using a smaller sized unit based on a quote from another plumber which is the route we went. They also covered the overage for the additional cost of the smaller sized unit which was nice but if I wasn’t aware of the option I’m not sure what I would have done. They also only sent one person initially so I helped bring the old unit down and the new one up in between trying to work. Also the breaker to the hot water heater was never flipped back so I’m waiting to see how the unit performs now."

"This was a relatively small water heater repair, and Ryan did an outstanding job. He responded immediately to my request, provided a reasonable quote, was polite, professional, knowledgable, and friendly to deal with. Will definitely hire again if needed. "

"Guy did a great job of diagnosing and repairing our State Hybrid Electric water heater. I would definitely recommend his work."

"Same day installation. Called at 10am, 20 year old hot water heater replaced by 3:30 pm."

Since 2015, Full Swing Plumbing, Heating & Air has been delivering Grand Slam Service and Big League Comfort to homes and businesses across Greater Boston. Born from a commitment to reliability, skill, and trust, we’ve built a reputation as the comfort champs our community can always count on.\n\nFrom routine tune-ups to emergency calls to full-scale installations, our team steps up to the plate every time with the expertise and hustle it takes to keep your space running smoothly. No surprises, no shortcuts—just straight talk, fair pricing, and work done right.\n\nAt Full Swing, we believe every customer deserves a home-field advantage when it comes to comfort. That’s why we bring the same energy, precision, and passion to every job, making sure you never have to sit on the bench when it comes to plumbing, heating, or cooling.\n\nFull Swing Plumbing, Heating & Air—Grand Slam Service. Big League Comfort.