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Find Water heater repair or service pros in Cobb-island

Avatar for Jimmy Gusky Heating & Air LLC
Jimmy Gusky Heating & Air LLC
4.3(
373
)

Serving Cobb-island, MD and surrounding areas

Approved

In business since 1996

Emergency services offered

Credit card accepted

"Excellent. Two separate teams came; one for AC and Furnace; second for Tankless hot water heater; Minor toilet repair also done at no extra charge, including a follow up service call to install new toilet flush handle, also at no charge."
Additional Photos
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Response time9 hrs
8 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for McCarthy Services MD
McCarthy Services MD
4.2(
382
)

Serving Cobb-island, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Emergency services offered

"This company was prompt, gave us a reasonable price, and the system is working very well. We give them an excellent rating for their service, and would recommend them to anyone who needs HVAC repair or replacement."
Installing a new A/C system.
Recommended by88%of homeowners
Avatar for HPC Services
HPC Services
4.7(
23
)

Serving Cobb-island, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"The office called me within 10 minutes of adding my request on Angi. There were able to come out same day and fix our drain. They also provided me with free plumbing inspection of the rest of the home. Zach was very profession and easy to work with. I would use them again."
installing a boiler refractory blanket, and cleaning inside of boiler
installed straight ac unit
rooftop package units
replacing a heat exchanger on an rtu
past work

+12

21 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Abbott's Plumbing, LLC
Abbott's Plumbing, LLC
4.9(
27
)

Serving Cobb-island, MD and surrounding areas

In business since 1997

Free estimates

Warranties offered

"Exceptional service from start to finish! Leon from Abbott's plumbing arrived promptly, assessed the situation, and expertly installed our new water heater with precision and care. Not only did they complete the job efficiently, but they also took the time to explain everything and answer all of our questions. He was very professional, knowledgeable and a pleasure to have in our home with a great attitude. We will recommend to all our friends and family. Our hot water has never been betterâ thank you for the top-notch service!"
Mu Jobs
Mu Jobs
Mu Jobs
Mu Jobs
Mu Jobs

+47

Response time4 hrs
Response rate91%
Recommended by45%of homeowners
Avatar for National Water Service Corp
National Water Service Corp
4.6(
114
)

Serving Cobb-island, MD and surrounding areas

In business since 1979

Free estimates

Emergency services offered

"As always, National Water does a great job for me.  Dave and his company have been the sole water support for my home since we built and moved in Aug. 2003.  They are incredibly responsive - for example, our hot water heater went out at 11pm on a very cold winter night back in 2005.  I called the emergency line, expecting to leave a message.  Not only did I get an answer, but they were out the very next morning to resolve the problem.  Another time, we were out of town, and our water stopped working over the weekend.  We had a house guest at our home, we called, and on Sunday afternoon National Water was there!

Besides emergency issues, Dave and his team provide excellent maintenance services.  We are on well water, which in our case has created a few issues:  Poor water pressure, hard water and after storms, dirty water from mud and sand.  National Water has put on systems to our water to resolve all three of these issues.  They maintain it annually and are available for any problems. 

National Water, several years back replaced our hot water heater to a much more energy efficient system that never runs out of hot water! 

As I stated previously, Dave and his team in our opinion are the only water team to work with in this area!"
Water Treatment, water softener, solution feeder, constant pressure well pump system
Tankless Water Heater
Whole House Water Treatment with Twin PFA/PFOAs remediation filters
Installing a new well line from the well to the house
Tankless Water Heater and Traditional Water Heater

+31

Recommended by92%of homeowners
Avatar for DryMount Air LLC
DryMount Air LLC
5.0(
11
)

Serving Cobb-island, MD and surrounding areas

In business since 2003

Free estimates

Emergency services offered

"Excellent company! My water heater stopped working on New Years Eve. Unfortunately, the water heater is behind my HVAC, so they had to remove the HVAC, remove the old water heater, install the new heater, and replace the HVAC. They did a perfect job. They also replaced the freon in my HVAC, because the prior repairmen didn’t add freon. In addition, they fixed the jets in my spa. The team arrived on time, displayed professionalism, and cleaned up afterwards. I would definitely hire them again."
Heating & A/C Project
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Recommended by100%of homeowners
Avatar for Magnolia Plumbing Heating & Cooling
Magnolia Plumbing Heating & Cooling
3.9(
209
)

Serving Cobb-island, MD and surrounding areas

In business since 1950

Emergency services offered

Credit card accepted

"The valve started spraying water all inside the cabinet last night around 9 pm. Called Magnolia in the morning and was given an appointment from 2-4. Dispatch called me at 3:30 to tell me that the technician was running very late and it would be at least another hour. I was given the choice to wait or to reschedule. I had waited this long so I choose to wait. The tech arrived approximately around 7 p.m. The whole job took 30 minutes, only about 10 of which were actually replacing the valve. So given the time I feel the price was extreme. I've used Magnolia in the past and they have always been expensive, but this seemed a little higher than normal. I had waited this long, though, so I wasn't going to try and get another plumber and miss more work so I let them perform the switch. I would use them again if I had an emergency, since they have always been responsive, but I'll think twice given the prices they are charging."
We are there when you Need us the Most
Can Do. Will Do. Well Done~ Guaranteed
Fall Specials
Additional Photos
Magnolia Plumbing, Heating & Cooling

+8

Recommended by72%of homeowners
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FAQs for water heater repair or service projects in Cobb-island, MD

Warning signs include fluctuating water temperatures, a pilot light that repeatedly goes out, unusual noises from the tank, or complete heating failure. You might also detect a rotten egg smell, indicating a potential gas leak, or notice water that never reaches the proper temperature. If your water heater is over eight years old and displaying these symptoms, the gas valve is a likely culprit. Professional inspection is recommended, especially if gas odors are present.

Water heater gas valves are not universally interchangeable. Each valve must match your specific water heater's make, model, and specifications. Important compatibility factors include gas type (natural gas vs. propane), BTU rating, connection types, and physical dimensions. Using an incorrect valve can result in poor performance, premature failure, or dangerous gas leaks. Always consult your water heater's documentation or a professional plumber to identify the appropriate replacement valve for your unit.

The Cobb-island, MD homeowners’ guide to water heater repair or services

From average costs to expert advice, get all the answers you need to get your job done.