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Top-Rated Water heater repair or service pros in Dunwoody - Updated Nov 2026

Avatar for Keep Smiling Plumbing, Electric, Heating & Cooling
Keep Smiling Plumbing, Electric, Heating & Cooling
4.6(
170
)
Water Heater - Repair or Service

Serving Dunwoody, GA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1985

Emergency services offered

Warranties offered

"I had an issue start last night on 8/3/26, I was contacted this morning by the office by phone call and asked if I still need service. By 930 or so Aaron showed up. Aaron is very polite and answered any question I had about the job so I proceeded with them. To me it was a catastrophic issue that needed immediate attention. Aaron completed the job of my entire upstairs drains being clogged with a few hours. I see some reviews stating they are pricey and that could very well be since I did want to wait around for multiple quotes that could have taken an extra day I went with them since they were the most responsive. Im happy that I am now back up and running, with multiple people in my home it was crucial to have the bathrooms back up and running. Thanks Aaron you made me feel at ease about allowing you into my home to help fix this issue."
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+2

306 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Moncrief Heating & Air Conditioning
Moncrief Heating & Air Conditioning
4.6(
310
)
Water Heater - Repair or Service

Serving Dunwoody, GA and surrounding areas

Approved (Corporate)

In business since 1898

Free estimates

Emergency services offered

"The technician was very nice and did a great job. Old water heater was removed and the new one installed. The technician showed me his work and explained what he had done. I recommend Moncrief."
Moncrief Truck
Additional Photos
Additional Photos
7 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Rooter ProXpress LLC
Rooter ProXpress LLC
4.8(
9,765
)
Water Heater - Repair or Service

Serving Dunwoody, GA and surrounding areas

Approved

In business since 2019

Emergency services offered

Warranties offered

"So glad that Rooter Pro Xpress was available to come to our home same day. Our water heater was repaired without delay and our plumber was able to offer a warranty. He was was courteous and explained a technical repair in easy terms for us. Such a professional service."
WATER SERVICE LINE
WATER SERVICE LINE
WATER SERVICE LINE
WATER SERVICE LINE
WATER SERVICE LINE

+32

Response time2 hrs
Response rate99%
1344 neighbors recently requested a quote
Avatar for Plumb Life ATL, LLC
Plumb Life ATL, LLC
4.8(
29
)
Water Heater - Repair or Service

Serving Dunwoody, GA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"It went well! Matt and TC at Plumb Life ATL are very professional and communicative. Matt called the day before to let us know when the plumber, TC would be arriving. On the day we were scheduled, TC called an hour before he was scheduled to let us know when he'd be arriving. TC was very punctual and determined to find the source of our water leak. He removed the water heater in less than no time. Then he explained to my wife and I that he needed to cut into the wall to find the leak. He then neatly cut into the wall and found rusty nails all throughout our piping. He removed the damaged pipe and neatly installed new piping in that area. We no longer have a water leak issue thanks to TC and Matt. Matt was also very communicative from the onset to the conclusion of the work. We highly recommend their services. ⭐⭐⭐⭐⭐"
Additional Photos
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1 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for American Rooter Services, Inc
American Rooter Services, Inc
4.7(
73
)
Water Heater - Repair or Service

Serving Dunwoody, GA and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Exceptional service! Edin Was professional and friendly. He took extra care to ensure he wouldn't make a mess or damage anything inside my home. Edin was very efficient and showed up on time on a Saturday. I also felt that the price was below average for the service I received! The best part was The job was completed quickly so we could get back to our Saturday! I will definitely be using the service again."
Main Water Line
Main Water Line
Water Heater
Response time1 day
Response rate100%
5 neighbors recently requested a quote
Avatar for TE Certified Electrical, Plumbing, Heating & Cooling
TE Certified Electrical, Plumbing, Heating & Cooling
4.8(
610
)
Water Heater - Repair or Service

Serving Dunwoody, GA and surrounding areas

Approved (Corporate)

In business since 1998

Free estimates

Emergency services offered

"The technician was prompt, professional, and provided several options for solving my issue. Given that the current Trane system was 25 years old, he also provided written estimates for two different replacement systems. I opted for the parts replacement and repair and am pleased with the result. The company has also called since to check to see if I was satisfied with their service. Way to go TE Certified!"
Tankless Water Heater!
Daikin FIT Installation!
Turnkey Generator Installation!
Beautiful Light Fixture Installation
Whole-Home Water Filtration System!

+35

12 neighbors recently requested a quote
Recommended by95%of homeowners
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Showing 1-10 of 238
FAQs for water heater repair or service projects in Dunwoody, GA

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 Dunwoody, GA 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.