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

Avatar for Waldrop Plumbing Air Electric
Waldrop Plumbing Air Electric
4.6(
21
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Repair+1 more

Serving Union, SC and surrounding areas

Approved

In business since 1971

Credit card accepted

Customers say: Quick response

When it comes to providing the right services quickly, no one does it better than Waldrop Plumbing Air Electric. Here, our people deliver the difference. With our team of NATE-certified HVAC technicians and licensed Greenville, SC, plumbers, we accurately assess the needs of our customers so that we can provide the quality service we will always stand behind. We've provided services for all sorts of homes. Whether it's installing a complete HVAC system or simply fixing a burst water pipe, we take pride in delivering the Waldrop difference.

Waldrop's New Brand!
Waldrop's New Brand!
Waldrop's New Brand!
Waldrop's New Brand!
Waldrop's New Brand!

+14

6 neighbors recently requested a quote
Recommended by20%of homeowners
Avatar for Brothers- ARS Air, Heat, and Plumbing
Brothers- ARS Air, Heat, and Plumbing
4.0(
46
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Repair

Serving Union, SC and surrounding areas

Approved (Corporate)

In business since 1995

Free estimates

Emergency services offered

"Part of the reason we chose them was a deal we saw on the website. However, when they came out to provide a quote, we didn't qualify. Just left a bad taste in my mouth and being able to trust any 'deals' being mentioned in the future. However the service and installation by the installer was excellent. Super nice and thorough. Water heater runs great."
Drain Cleaning
881 neighbors recently requested a quote
Recommended by61%of homeowners
Avatar for Corley Plumbing Air Electric Inc
Corley Plumbing Air Electric Inc
4.1(
5
)
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Union, SC and surrounding areas

Approved (Corporate)

In business since 1986

Free estimates

Emergency services offered

At Corley, we focus on skills and relational training for our technicians to give them all the "tools" that they need to be successful. We use a combination of trade organization training programs, in house trainers, and other outside technical classes. Corley provides quality, state of the art equipment such as electronic leak detection, video pipeline inspection systems, and rolling warehouses. Vehicles stocked with most parts needed for the plumbing and electrical service and repair business. All of this is to offer you the services of the best plumbing, air and electric company in Greenville, SC. Also serving Mauldin, Simpsonville, Travelers Rest, Easley, Piedmont & Marietta, SC. \n

My jobs
My jobs
My jobs
My jobs
My jobs

+10

Recommended by50%of homeowners
Avatar for Mark and Sons Plumbing
Mark and Sons Plumbing
4.4(
104
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessWater Heater - Install or Replace+3 more

Serving Union, SC and surrounding areas

In business since 1999

Free estimates

Warranties offered

"I had a busted water heater. They were very prompt to respond to my problem. They worked on Saturday to resolve my initial problem. They were very helpful and courteous through the whole process of ordering what I needed and installed it when it got here. I would use them again."
Response time10 hrs
Recommended by93%of homeowners
Avatar for Flaker Flooring L.L.C.
Flaker Flooring L.L.C.
4.4(
57
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Union, SC and surrounding areas

In business since 1999

Free estimates

Warranties offered

Flaker Flooring is a family run business that provides quality install with respect to a customers home and a keen eye for detail. 25 years of experience gives Flaker Flooring the confidence to help a home owner reach their goals with flooring upgrades to their home... We take pride in our work and would love the chance to work in your home. "We got you covered..."Our company also provides Plumbing, electrical, and painting services.

Tile shower
Hardwood install sand and finish
Luxury vinyl plank
Water damage
Tile shower

+123

Recommended by80%of homeowners
Avatar for Plumbing in Pink, LLC
Plumbing in Pink, LLC
4.5(
22
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Union, SC and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"They arrived on time and in a VERY obvious hot pink van (pretty cool). Ken was courteous and answered my questions very clearly and quoted me a reasonable price... far less than I had been quoted by other companies. After a couple of hours, I had a new water heater. They left the work space tidy and I was able to pay right there on the spot with a card. I found out after speaking with the plumber that they are female owned and operated. BONUS!! I will definitely call these guys in the future should anything arise. Ladies, support this business!!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+31

Recommended by88%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Union, SC and surrounding areas

In business since 1971

Credit card accepted

"Service guy came as scheduled. Sent his "service" requirements to home base Home base calls back and lists, a very long list of what needs to be done and a very long list of what is not covered and what each item costs. The overall cost was outrageous and they weren't willing to give it to me in writing. Everything I had to pay for was overpriced, of course! They told me my other option would be to purchase my own water heater and they would reimburse me for what there water heater would cost, but no reimbursement for Labor, building permit, or any upgrades required by the local building department. The requirements of the building department were minimal. I went to Home Depot and had them do the installation and saved many hundreds of dollars. Lesson learned, have AHS do simpler repairs that don't require municipal building department approval. Have AHS pay for the equipment, and purchase installation from a trusted local installer."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

Recommended by65%of homeowners
Avatar for Rooterman Upstate
Rooterman Upstate
4.4(
15
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Union, SC and surrounding areas

In business since 2005

Credit card accepted

Offers commercial services

RooterMan Plumbing in Spartanburg, SC, provides excellent plumbing and drain cleaning services to residential and commercial clients throughout Spartanburg and Greenville, South Carolina. As part of the RooterMan network, this business benefits from the national company’s training program and over 50 years of experience. For routine maintenance or emergency services, fall back on the expertise of this plumbing crew when you have plumbing problems. To contact the plumbers at Rooter-Man Plumbing, call (864) 585-0093. Visit their website for a complete list of services.

Water line Repair
Tankless
Sewer Line Repair
Sewer Line Repair
Response time8 hrs
Response rate100%
Recommended by57%of homeowners
Showing 1-10 of 23
Water Heaters FAQs, answered by experts

If your gas water heater is over 20 years old, it should be replaced. Gas water heaters can last up to 12 years and while they can exceed this expectancy if well-maintained, a heater that's 20 years old would require replacement. The heater is unlikely to run as efficiently as a new model and could be more expensive to do so.

Any item that can hold on to moisture and encourage mold growth should be discarded and replaced following water damage. Upholstered items, such as armchairs and couches, and soft items, such as mattresses, usually must be thrown away once they've taken on a lot of water. Soft furniture is difficult to dry out, creating an inviting environment for mold.

You may also need to replace hardwood furniture following water damage if you're unable to fully dry it out. If you have appliances and electronics that have been fully submerged in water, particularly sewage, you'll need to replace those, too.

Water heater installation code requirements are in place to keep your family and home safe. Water heaters that are installed wrong can simply not work. However, that's an, if you're lucky, type of situation. More commonly, incorrectly installed water heaters pose a real threat from carbon monoxide poisoning, gas leaks, water leaks, and even explosions. 

Unless you have previous plumbing experience or extensive experience with water heaters, you should avoid replacing your electric water heater yourself. This process involves disconnecting wiring and parts from the old water heater and reinstalling them onto the new one, among other difficult tasks. This job is best left to the pros to make sure that everything is connected correctly to avoid serious leaks or malfunctions.

While possible, professional assistance is recommended to ensure compliance with local regulations and avoidance of avoidable risks.

The Union, SC homeowners’ guide to water heater services

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