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TRUSTED BY CORNELIUS, NC HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon184
    Verified water heater services reviews

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

Avatar for Water Heater Express
Water Heater Express
5.0(
15
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+1 more

Serving Cornelius, NC and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"I would absolutely recommend water heater express to anybody that needs a water heater replacement. As luck would have it they were able to replace my tankless the same day I called which was great because that way whenever my wife got home from her work trip she had hot water for her much needed R&R in the tub when she got home."
Tankless Done
Tank WH Removed
Tankless almost done
Tankless Mounted
Before 1

+4

2 neighbors recently requested a quote
Avatar for Medlin's Plumbing
Medlin's Plumbing
4.8(
57
)
Solar Water Heater System - InstallWater Heater - Install or ReplaceWater Heater - Install or Replace - For Business

Serving Cornelius, NC and surrounding areas

Approved

In business since 1999

Warranties offered

Credit card accepted

"Dave picked up the new water heater at Home Depot and arrived on site with time to spare. The installation went smoothly. Once completed, Dave discussed the operation of my pressure reducer valve (PRV) which may need replacement in the future. We also took the opportunity to "chew the fat" and swap "war stories". I would definitely ask for Dave's assistance in the future. RHx"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+7

Response time6 hrs
Response rate100%
Recommended by75%of homeowners
Avatar for Wilson Plumbing and Pool, LLC
Wilson Plumbing and Pool, LLC
5.0(
29
)
Water Heater - Install or Replace

Serving Cornelius, NC and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Josh was very professional and his work ethics were top notch. The installation went as advised and Josh took the time to explain the process, Josh also inspected another plumbing issue, for an upcoming home renovation. JBM"
Water treatment
Drain line replacement
Bathroom remodel
Response time7 hrs
Response rate85%
Recommended by100%of homeowners
Avatar for FlowGeek Pluming LLC
FlowGeek Pluming LLC
5.0(
6
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Repair+1 more

Serving Cornelius, NC and surrounding areas

Approved

Warranties offered

Credit card accepted

FlowGeeks Plumbing LLC is a family-run, veteran-owned plumbing company serving Charlotte and surrounding areas. We provide plumbing repairs, drain clearing, water heater installation and maintenance, fixture replacements, leak repairs, and water filtration solutions. We focus on finding the root cause of plumbing problems and delivering dependable repairs with honest pricing, clear communication, and clean workmanship. We treat your home with respect and back our labor with a two-year warranty.

Water Heater Install
7 neighbors recently requested a quote
Avatar for Drip Doctors Plumbing and Excavation LLC
Drip Doctors Plumbing and Excavation LLC
4.7(
21
)
Water Heater - Repair or ServiceWater Heater - Repair or Service - For Business

Serving Cornelius, NC and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"The job went great! They were able to remove a very large drainpipe that was 5 feet below the road. Additionally they installed a larger pipe for us, and did an excellent job getting it seated in place and covering it up. The road going into our farm doesn't flood anymore and the water is able to drain nicely on the sides where they helped dig the angle much better than any piece of farm equipment we had on hand. Mr. Lozy was kind enough to help us dig a really small pond for the deer as well. With his excavator it took 3 minutes, what would have taken me 18 hours and a broken back to do with a shovel."
Drain Pipe Installation - Exterior Project
Plumbing Project
Plumbing Project
Additional Photos
Additional Photos

+23

2 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for CGC Home Services
CGC Home Services
4.3(
52
)
Tankless Water Heater - InstallTankless Water Heater - RepairTankless Water Heater - Repair - For Business+4 more

Serving Cornelius, NC and surrounding areas

Approved

In business since 1946

Free estimates

Warranties offered

"My husband and I were referred to CGC Water by close friends. Everything from the first appointment with the sales man to having the project complete felt very intentional and customer focused. They took water samples, listened to what we wanted, answered all of our questions (we had plenty) and set us up with everything we needed. I was really happy that they got us on the schedule quickly, we did not have to wait 4+ weeks that other projects have taken. The install was very thorough and even though nobody will see the equipment the install spot was left clean and the piping all looks nicely hung. That may not matter to everyone but I noticed. Before leaving, the technician made sure all equipment was working and retested the water to make sure it meets our expectations. Now we have a Kinetico whole house water softener, and a Kinetico RO drinking water system. I am so glad we went with the Kinetico system. I can tell a difference in everything! I dont get spots on the dishes anymore, my towels dont smell funky after washing them and having good water has even helped with dry skin. I love the drinking water too! I really can tell a difference from other drinking water and I always fill my water bottle up at home before leaving the house because other water just does not compare. I really appreciate the follow up as well, we opted for the scheduled salt deliveries and filter changes so we dont have to worry about it as much. I highly recommend CGC and the Kinetico water equipment."
Water softener
Water softener
Water softener
5 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for WyattWorks
WyattWorks
4.5(
179
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Cornelius, NC and surrounding areas

Approved

In business since 1979

Free estimates

Emergency services offered

"I needed my Water Heater replaced. During the estimate Jamal was straight forward about the pricing and showed me what would be replaced. Didn't try to sell anything that wasn't needed for my household. I also liked the warranty for parts and labor. They did excellent work. Customer Service also was great with follow up calls and appointments. Thank You! Sunday Scarbrough"
Let's get to work
Happy Customer
Top quality products
Response time5 hrs
Response rate90%
10 neighbors recently requested a quote
Robinette Plumbing Repair, LLC
4.7(
51
)
Tankless Water Heater - RepairWater Heater - Install or ReplaceWater Heater - Repair or Service

Serving Cornelius, NC and surrounding areas

Approved

In business since 2002

Free estimates

Small jobs welcome

"Very professional. Matt was great! Explained exactly what he recommended and listened to me as well. He was very prompt to get the situation resolved. He cleaned up after he was done. I would most definitely reach back to him for any future plumbing projects."
2 neighbors recently requested a quote
Recommended by100%of homeowners
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Water Heaters FAQs, answered by experts

Most hot water heater manufacturers recommend replacing the anode rod about once every three to five years. Anode rods sacrifice themselves by collecting iron, limestone, and other minerals that would otherwise corrode your hot water heater tank. This abuse wears them out long before your water heater does. Check the rod when you remove it and replace it if more than 50% of the metal has been consumed. Check the rod more frequently if you have hard water or use a water softener. 

You have more options for water heaters than ever before. The best one for your home depends on your hot water usage and budget. Some of the more common types of water heaters are the conventional gas heater, a heat pump water heater, or a tankless heater for smaller homes or those with less water demands. Some uncommon types are solar and point-of-use systems. Some homes may have a combination of two units, such as a large heat pump heater and a backup point-of-use system.

Depending on the brand of water heater, you may need to install an expansion tank in order to meet the conditions for warranty coverage. It’s important for consumers to read the fine print of the warranty to see if an expansion tank is necessary. Even if an expansion tank isn’t required for the warranty, it’s usually mandated by building codes—although not for tankless water heaters.

A thermocouple is a pretty simple device. It simply tells the control valve if heat is present. Most water heaters can use a universal thermocouple, provided it's the correct length. Getting one that's long enough for your appliance is crucial for success. However, some water heater models require model-specific thermocouples, which is why it's essential to take your existing one to the store to find the right match.

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.

The Cornelius, NC homeowners’ guide to water heater services

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