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

Avatar for Payless Water Heaters & Plumbing
Payless Water Heaters & Plumbing
4.2(
132
)
Tankless Water Heater - Repair

Serving Mount-hermon, CA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Perfectly. They cleaned everything up, explained how the system worked and how often it needs attention, and hauled away the old hot water heater. They arrived on time, worked steadily, and finished before dinner time."
New Tankless Water Heater Installation
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+19

Response time8 hrs
Response rate100%
Recommended by73%of homeowners
Avatar for POSEIDON PLUMBING LLC
POSEIDON PLUMBING LLC
4.8(
10
)
Tankless Water Heater - Repair

Serving Mount-hermon, CA and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"They were very prompt, polite, and professional. My water heater was in a tricky spot . He ended up needing to disconnect a few things related to my furnace as well. They did it without charging me anything extra and When they were done, everything looked and worked great."
Nuvo H2O water softener
Navien tankless water heater
Navien tankless water heater
Rough in shower installation
Outdoor shower installation

+2

Response time4 hrs
27 neighbors recently requested a quote
Recommended by55%of homeowners
Avatar for TRIO Heating, Air & Plumbing
TRIO Heating, Air & Plumbing
5.0(
5
)
Tankless Water Heater - Repair

Serving Mount-hermon, CA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Called Trio Heating on a late Friday afternoon and they sent out two technicians (Jose & Dallin) the next morning to fix a gas heater that would not turn on. Their communication from beginning to end was great. They sent me a text 45 minutes before their arrival time and I was able to track their ETA which was extremely helpful. They explained to me what the issue was. I was able to run out and buy a new thermostat for them to install. They did a great job, cleaned everything up and put everything back together. They also typed up everything they worked on and took multiple detailed photos of the unit and emailed 10 minutes after they left. I think what they charged was extremely reasonable for the quality of work. I really appreciated not being charged a higher fee for coming out on a weekend. Will definitely use them again for my HVAC needs!"
Heating & Air Conditioning Installations
Heating & AC Install
Heating & AC Install
Heating & AC Install
Heating & AC Install

+101

Response time4 hrs
Response rate93%
11 neighbors recently requested a quote
Avatar for Lorenzo Heating & Cooling
Lorenzo Heating & Cooling
5.0(
1
)
Tankless Water Heater - Repair

Serving Mount-hermon, CA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

AC on roof
AC/FURNACE REPLACEMENT
Heat Pump Mini Split
Air Handler
Air Handler

+8

Response time1 hour
Response rate91%
Avatar for Aleman Plumbing, Inc
Aleman Plumbing, Inc
4.8(
42
)
Tankless Water Heater - Repair

Serving Mount-hermon, CA and surrounding areas

In business since 2014

Emergency services offered

Warranties offered

"Aleman Plumbing contacted me right away for an appointment to look at my water heater. Their quote was advantageous compared the the other I received and they were able to schedule the work immediately. My water heater was in a difficult location and I also needed to replace a pressure control valve but Carlos got it all done very well and was great to work with."
Grease trap
Replacement grease trap
Replacement grease trap
Replacement grease trap
Attic leak

+11

Response time5 hrs
Response rate100%
Recommended by37%of homeowners
Avatar for Legacy Plumbing And Heating
Legacy Plumbing And Heating
5.0(
19
)
Tankless Water Heater - Repair

Serving Mount-hermon, CA and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"Never in 20 years, living in this house, have I ever had a plumber travel from Monterey, CA, to do plumbing work on a house in Gonzales, CA. I was amazed that any plumber would come to Gonzales, CA, after 20 years of repeated negative experiences. Repaired the kitchen sink faucet. Replaced two (2) outdoor faucets. Recycled the water conditioner. Serviced the heating furnace. All work completed in a most excellent fashion. The plumber was very pleasant to work with. He was terrific."
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+4

Recommended by100%of homeowners
Avatar for Clearwater Plumbing
Clearwater Plumbing
4.9(
225
)
Tankless Water Heater - Repair

Serving Mount-hermon, CA and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"Tyler was awesome and originally we thought we'd just need a faucet water hose to be looked at, but he discovered the real source of the issue and was able to fix that. He then discovered a few other things that had been/were leaking and took care of all of that in the time he was at the house. A very honest person, had high integrity, was polite and very professional. He was able to answer a lot of questions we had and made us feel confident in his abilities to get he job done right. I'd definitely hire again for any plumbing needs."
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+18

Recommended by97%of homeowners
Avatar for Superior Plumbing & Drain Cleaning Services
Superior Plumbing & Drain Cleaning Services
4.5(
563
)
Tankless Water Heater - Repair

Serving Mount-hermon, CA and surrounding areas

In business since 2002

Emergency services offered

Warranties offered

"This was the company I was assigned to with my home warranty. They repaired a toilet pump and hot/cold water valves/ pipes to my washing machine.The company communicated very well and completed the job in a timely manner. The technician was very nice and informative. Highly recommend."
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+9

Response time7 hrs
Response rate100%
Recommended by88%of homeowners
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