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Top-Rated Tankless water heater repair pros in Wareham - Updated Nov 2026

Avatar for Keith Brothers Plumbing, Inc.
Keith Brothers Plumbing, Inc.
4.5(
122
)
Tankless Water Heater - Repair

Serving Wareham, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Showed up at promised time with all they needed to replace the water heater and completed the work in under an hour. Not my usual experience with plumbers. Price was the lowest of three I contacted."
Water Heater Replacement
Ball Valve install on Water Main
Sewer Main
Water Heater Replacement
Before & After - Tub to Shower

+4

Response time1 day
8 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Mark Reddan Plumbing & Heating
Mark Reddan Plumbing & Heating
4.9(
33
)
Tankless Water Heater - Repair

Serving Wareham, MA and surrounding areas

Approved

In business since 2023

Customers say: True professional

"Our heater stopped working around 7 pm during the night, last Feb 2026. We had no heat for the whole night so it was really cold inside the house the next day. To our relief, Mark was able to come out the very next day in the morning. Mark checked and tested numerous devices on the furnace. He explained everything that he was doing while repairing the furnace. He was here for only an hour and got our heat going again. He's friendly and trustworthy. He is our Plumber and we call him for any problem. His rates are reasonable. We highly recommend him. We live in Brockton 02301."
Outside faucet
Outside faucet
Outdoor shower
Outdoor shower
Response time5 hrs
Response rate92%
2 neighbors recently requested a quote
Avatar for GEM Plumbing & Heating
GEM Plumbing & Heating
1.0(
2
)
Tankless Water Heater - Repair

Serving Wareham, MA and surrounding areas

Approved

In business since 1949

Free estimates

Emergency services offered

With over 75 years of experience, GEM provides trusted plumbing services for homeowners in the Plymouth, MA area, as well as across Cape Cod. Our licensed plumbers handle everything from leak repairs and drain cleaning to water heaters, fixture installations, and emergency plumbing service.\n\nWhether you're dealing with a clogged drain or a sudden leak, we deliver fast, reliable solutions to keep your home running smoothly.

New Thermostat
During the removal
During the removal
After
During the removal

+16

Response time40 mins
Response rate100%
Avatar for All Phases Mechanical
All Phases Mechanical
4.5(
75
)
Tankless Water Heater - Repair

Serving Wareham, MA and surrounding areas

In business since 1983

Free estimates

Emergency services offered

"Bottom line we are very satisfied. Here's the whole story:
The weather on Cape Cod has changed in the 40+ years since the house was built and air conditioning --which we would never have considered in the past--now seems like more of a necessity. The house has a lot of glass sliding doors, very little wall space, no attic, and no crawl spaces. We called in a few people, including Carl Tucci of All Phases to provide ideas and estimates.
Carl was very responsive and came across as highly experienced. He suggested two ductless split units and provided confidence that they would be sufficient to get the job done. Other contractors suggested more expansive and comprehensive solutions that were beyond our budget and would have caused more disruption than we wanted.
After agreeing on the approach with Carl we met with his installers. They came up with a clever way to fit one of the units above the laundry room door where it did not appear there was adequate head space. Basically they shortened the door to make room for the unit. This allowed us to get the air flowing down the hall, which we wanted and reduced the disruption to the living space from the installation.
We were confident enough in All Phases that we agreed to have them do the work in the offseason when we were not around. They emailed me photos of the installation as they performed it.
When we came back at the start of the summer the units weren't working properly. I contacted Carl and he got right back to me. He sent a technician to inspect and repair the units and they have been running great ever since.
The work is neat and professional. I recommend All Phases wholeheartedly.
"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+6

Recommended by90%of homeowners
Avatar for The Permanent Solution
The Permanent Solution
5.0(
9
)
Tankless Water Heater - Repair

Serving Wareham, MA and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"All three jobs went great. For the water heater replacement Lewis came to my house at a convenient time for me, removed the heater changed out the rotted pipes and installed a new one with warranty. The price was great too. This job was time sensitive and he made me a priority to get it done. For the bathroom tub drain unclog he was very professional and did a great job. My garbage disposal was leaking and I came home to a pool of water in my cabinet and on the floor. Lewis came out quickly to resolve the issue for me. He replaced everything under the sink and showed me what he was doing each step of the way. I think that he is a great plumber if you want to get quality work and learn about each job too."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+31

Recommended by100%of homeowners
Liberty Plumbing & Heating
5.0(
12
)
Tankless Water Heater - Repair

Serving Wareham, MA and surrounding areas

In business since 1994

Free estimates

Credit card accepted

"We have hired Nate for numerous things we needed done over the past few years for example, adding heating zones, fixing numerous leaks, fixing our indoor and outdoor a/c units, tub repairs, new toilet installs and much more. His work is clean, professional, proficient and always comes out above and beyond desired expectation. His knowledge of the business has blown me away. I wonâ t ever use another plumber! If you are looking for a good reliable plumber you are in the right spot!"
Response time40 mins
Recommended by100%of homeowners
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