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TRUSTED BY MAULDIN, SC HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon157
    Verified water heater services reviews

Top-Rated Water heater pros in Mauldin - Updated Nov 2026

A+ WATER HEATERS AND PLUMBING LLC
4.9(
22
)
Water Heater - Install or ReplaceSolar Water Heater System - InstallTankless Water Heater - Install+6 more

Serving Mauldin, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"The gentleman serviced my tankless water heater and also fixed several other problems that he found. I highly recommend the company and it's employee(s)"
New GE Gas Water Heater
Top
Well Pump re plum
Well pump re plum
Old

+13

Response time1 hour
Response rate93%
7 neighbors recently requested a quote
Avatar for Easy Air + Heat + Plumbing
Easy Air + Heat + Plumbing
4.7(
38
)
Water Heater - Repair or ServiceTankless Water Heater - Repair

Serving Mauldin, SC and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Quick! Contacted me within minutes of Home Advisors inquiry, showed up and did outstanding work within 3 hrs of initial contact - even though it was a no-rush job. Got my water heater set up in a jiffy; good price and I am glad I called them. Would highly recommend."
Response time8 hrs
24 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Foothills Plumbing & Construction
Foothills Plumbing & Construction
4.9(
129
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Mauldin, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Free estimates

Emergency services offered

"Hunter and Sean are the real deal! My water heater crapped out suddenly on New Year’s Eve. I went to Angi and filled out the info and less than 10 minutes later, Hunter calls me! Told me he’d be out the next day….new year’s day!! Showed up when he said he would, diagnosed the issue quoted me a price and said he’d be there “tomorrow morning”. Showed up, just like he said he would for the price he quoted. Everything went well, and I wholly recommend Foothills Plumbing."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+73

Response time9 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for Ken O'Brien Plumbing Heating & Air
Ken O'Brien Plumbing Heating & Air
4.9(
26
)
Tankless Water Heater - RepairWater Heater - Install or ReplaceWater Heater - Repair or Service

Serving Mauldin, SC and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Ken replaced our water heater. Seems to know his stuff, and it's working fine. He had to take a trip out to get a missing part that he thought he had, but he adapted on the fly and still got the job done the same day only taking about an hour longer than expected. Friendly and capable."
Lenox gas furnace
Carrier heat pump
Tankless water heater
Kohler toilet install
Response time9 hrs
Response rate88%
3 neighbors recently requested a quote
Avatar for Ethical Plumbing
Ethical Plumbing
4.6(
340
)
Water Heater - Install or ReplaceSolar Water Heater System - InstallTankless Water Heater - Install+6 more

Serving Mauldin, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Emergency services offered

Warranties offered

"Both of the owners were polite and easy to work with. They showed up on time and did quality work to replace very poor work done by another plumber. They weren't the cheapest but you get what you pay for. I know after replacing three hot water heaters in 16 years."
Sewer Main Replacement
Additional Photos
Additional Photos
Additional Photos
Garbage Disposals

+13

Response time11 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for Three Sons Plumbing LLC
Three Sons Plumbing LLC
5.0(
21
)
Water Heater - Install or Replace

Serving Mauldin, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"We had a situation the evening before, with a leak in an upstairs bathroom tub that sent water down into the master bathroom. The remediation company came that next morning to dry things out, but they did not have the skillset to work on the actual plumbing problem. I reached out to Angi's list, put in what I was looking for and selected Three Sons Plumbing. When I hit the go button on Angi's list, I received a call within a few minutes from Brandon the owner. He came over immediately and assessed the problem. He and his helper worked with the remediation team and had the plumbing issue knocked out in less that 45 minutes. Great service. Very reasonable rate. Overall job well done. I would recommend Three Sons anytime. Sean"
Soaking Tub
Response time4 hrs
Response rate95%
Recommended by7%of homeowners
Avatar for All About Plumbing SC LLC
All About Plumbing SC LLC
4.6(
16
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Repair+1 more

Serving Mauldin, SC and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"It went awesome. I have never felt more comfortable with someone fixing my problem with a crew of guys at my house. They were clean, personable, and extremely professional. I am very happy with the service that I have received. I was referred to them by a coworker and they are honest with what they do and will do anything to help you out! i would highly recommend All About Plumbing to everyone i know, even strangers! Thank you Steve and your crew for all that you have done for me and my family. "
Modern kitchen island
Modern kitchen island
Water heater maintenance
Drain work
Drain work

+3

17 neighbors recently requested a quote
Recommended by46%of homeowners
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Showing 1-10 of 104
Water Heaters FAQs, answered by experts

The right way to vent a gas water heater is to have a pipe directly upward or slopes upward out of the house. Because hot air naturally rises, this type of venting will efficiently ensure that all gas moves out of the house. Your system may rely on fans or blowers as well.

In most municipalities, a license is not mandatory for water heater installation or replacement. However, we strongly recommend hiring a licensed plumber or water heater installer to handle the work. Licensed installers are far less likely to make a mistake during the installation, which means paying for the experience decreases your risk of a leak and other issues. You can use our state licensing tool to find out if a contractor you’re considering in your area holds a plumber’s license.

Tankless water heaters heat water as it passes through the unit instead of storing heated water in the tank. Their ability to produce hot water on an as-needed basis makes them more efficient. However, they are generally more expensive than traditional units. Is a tankless water heater worth it? Most homeowners will save money with a tankless unit in the long run by using less energy.

Yes, hybrid water heaters can be noisy — noisier than traditional water heaters. The sound they produce is often compared to the hum of a dishwasher. Its noise comes from the heat pump’s fan and compressor as they work to pull in and compress the air. While it’s not totally disruptive, especially if the unit is installed in less frequented areas, like a basement or garage, it’s something to keep in mind if you’re sensitive to noise or if the unit will be placed near bedrooms or living spaces.

Several signs indicate your water heater may be failing or in need of replacement. Key indicators include:

  • Age: A water heater older than ten years is approaching the end of its typical lifespan.

  • Water Quality: If you notice rusty or discolored water from your hot water faucets, or a foul odor similar to rotten eggs or sulfur, it can signal internal corrosion.

  • Unusual Noises: Banging, rumbling, or popping sounds from the tank often mean sediment has built up, causing the unit to overheat.

  • Leaks: Any water pooling around the base of the tank or visible leaks are clear signs of failure.

  • Performance Issues: A decline in performance, such as water not getting hot enough, taking longer to heat up, low water pressure, or decreased efficiency, suggests the unit is struggling.

  • Visible Damage: Obvious rust and corrosion on the exterior of the tank can indicate a more serious internal problem.

While these signs often point to replacement, some issues may be fixable. It's best to consult a professional plumber to diagnose the problem before investing in a new unit.

The Mauldin, SC homeowners’ guide to water heater services

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