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Find Water heater repair or service pros in Welcome

Avatar for McCarthy Services MD
McCarthy Services MD
4.2(
382
)

Serving Welcome, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Emergency services offered

"I had to replace a water heater quickly. Gave me a competitive quote with a water heater with desirable specs within a day and scheduled me the day after. Technician was knowledgeable and efficiently performed the work. Water heater performs just fine. Cleaned up workspace and took a few mins to walk through water heater and maintenance after."
Installing a new A/C system.
Recommended by88%of homeowners
Avatar for HPC Services
HPC Services
4.7(
23
)

Serving Welcome, 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

31 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Orbit Water Solutions
Orbit Water Solutions
4.8(
44
)

Serving Welcome, MD and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"Very professional service and reasonably priced water system installed in my house. Installed a whole home filtration system to privide continous purified water through the home. Highly recommend!"
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+9

Recommended by97%of homeowners
Avatar for Abbott's Plumbing, LLC
Abbott's Plumbing, LLC
4.9(
27
)

Serving Welcome, MD and surrounding areas

In business since 1997

Free estimates

Warranties offered

"Company did a great job installing new faucets, repairing drains in the kitchen, and repairing two toilets....very professional and friendly 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 Welcome, MD and surrounding areas

In business since 1979

Free estimates

Emergency services offered

"I thought the quality work was very good. They were on time. They diagnosed the problem quickly. I just love that they gave a nice service. I haven't experienced any problem. They go out of their way to get the parts needed for repairs."
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 Welcome, 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 Welcome, MD and surrounding areas

In business since 1950

Emergency services offered

Credit card accepted

"At 7pm on Saturday the 15th, In the middle of the Presidents` Day holiday, the value on my tenant’s apartment radiator started to leak at the rate of 1/2 c every half hour. My house, and the radiator, is 111 years old. I frantically called two 24 hour emergency plumbers and none of them came through. I then called Magnolia, who I had never used before, and Jose Vilche came to my house 40 minutes later. He had to drain the radiators and shut off the water flow as he could not remove the valve, but about 8:20 the next morning he arrived with his assistant, Angel, to cap that radiator and refill the system. He returned on Tuesday, as I had to work on Monday, with his supervisor who was finally able to remove the valve. The radiator stays capped until Tuesday the next week (accommodating my work schedule) when Vincent and Angel install the new valve. I had them also install a new drain valve on a second apartment radiator. So now, after all the draining and bleeding and testing for water balance, the radiators are functioning better than they ever had before. While Magnolia is not inexpensive, the cost was definately worth my peace of mind. Jose was in constant contact with me, he arrived exactly on schedule, explained each step along the way and worked diligently on my horrible problem until it was resolved. Thank you Magnolia- this was a stressful time for me and I was very satisfied with the service I had received!"
We are there when you Need us the Most
Can Do. Will Do. Well Done~ Guaranteed
Fall Specials
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Magnolia Plumbing, Heating & Cooling

+8

Recommended by72%of homeowners
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FAQs for water heater repair or service projects in Welcome, 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 Welcome, 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.