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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon143
    Verified water heater services reviews

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

Avatar for Wagner & Sons Plumbing, LLC
Wagner & Sons Plumbing, LLC
4.8(
281
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Union, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"I was out of the country for a few weeks and came home to a heavily leaking water heater. Went to the box store first and trusted my instinct to not have them 'send a guy'. i wanted a real licensed plumber to review this and am really glad I did. Mike came out the next day and had my new water heater installed before noon, plus answered my questions on several other projects. I highly recommend this company."
Recommended by82%of homeowners
Avatar for PANDA PLUMBING SOLUTIONS LLC
PANDA PLUMBING SOLUTIONS LLC
5.0(
23
)
Tankless Water Heater - InstallWater Heater - Install or Replace

Serving Union, IL and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Panda Plumbing Solutions provides reliable, affordable, and family-friendly plumbing services to homeowners in the greater Chicagoland area. We combine expert craftsmanship with honest pricing to keep your home safe and comfortable. From quick repairs to full system installations, our mission is simple: protect your home, serve your family, and deliver plumbing solutions you can trust.

Water treatment system
Tankless water heater
Tankless water heater
Avatar for Service King Plumbing, Heating, Cooling & Electric, Inc.
Service King Plumbing, Heating, Cooling & Electric, Inc.
4.4(
449
)
Water Heater - Repair or Service

Serving Union, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Emergency services offered

"Jason was recommended by a family member. Returned call same day and came out to look at my issue. Gave me estimate and scheduled for a few days later. Did everything expected and and I hired him to do another job of replacing water main values inside the house. He coordinated with Village to turn off water and everything went as planned. Will use him for other projects going forward."
Kohler Kitchen Faucet
High Efficient Furnace & A/C Installation
Rinnai Tankless Water Heater
Response time5 hrs
18 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Dynamic Plumbing and Heating, LLC
Dynamic Plumbing and Heating, LLC
4.6(
500
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Union, IL and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"They cut right to the chase. Got someone over the day after I called about my water heater. Looked at the problem, got a part and got it fixed fast the next day. Great customer service from Paul! Awesome experience."
 Vessel Sink
 Kitchen Sink
 Powder room sink
 Pedestal Sink
 Bathroom

+8

7 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Aqua Doctor Plumbing
Aqua Doctor Plumbing
4.5(
111
)
Water Heater - Install or Replace

Serving Union, IL and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Toilet was leaking from tank bolt. Plumber Chris tightened and also checked the other two toilet tank bolts, and while he was at it also corrected the water level in the tanks which was great and I'm glad he did that to avoid future toilet issues. Would hire again!"
Additional Photos
Additional Photos
Response time11 hrs
Recommended by87%of homeowners
Avatar for Mr. Rooter Plumbing Of Cook County
Mr. Rooter Plumbing Of Cook County
3.9(
42
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Union, IL and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"I coordinated the work with Mr. Rooter's home office. Unfortunately, they didn't relay to the technician that he needed certain materials to get the job done. This caused about a 60 minutes of extra time for the technician to search around for the part and then go pick it up. Other than that, the water heater gas control valve was successfully installed and I've got hot water again."
Response time8 hrs
Response rate99%
87 neighbors recently requested a quote
Avatar for TRIANGLE PLUMBING LLC
TRIANGLE PLUMBING LLC
5.0(
32
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Union, IL and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

Triangle Plumbing, operated by a seasoned professional, offers comprehensive plumbing solutions for both residential and commercial clients. With years of experience and a commitment to excellence, we provide a full range of services, including installations, repairs, and 24/7 emergency assistance. Combining quality workmanship with competitive pricing, Nathan and his crew ensure customer satisfaction through transparent communication and prompt, efficient service. Contact Triangle Plumbing for expert solutions tailored to your needs and make us your dedicated plumbing contractor to address all your plumbing concerns with precision and care.

1 neighbors recently requested a quote
Recommended by73%of homeowners
Avatar for 1st Response Plumbing & Drain, Inc.
1st Response Plumbing & Drain, Inc.
4.4(
42
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Repair+2 more

Serving Union, IL and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Great Job by Glenn getting in the new water heater and removing the old in a tight spot. Very timely, Professional , and a great value. Took the time to make sure the job was done correctly. couldn't be happier with the results. I would highly recommend Wagner Family Plumbing for all your plumbing needs!!"
Mainline Sewer Machine
Fully Stocked Trucks
Multiple Pits
Pumps
Fully Stocked Trucks

+7

Response time9 hrs
3 neighbors recently requested a quote
Recommended by97%of homeowners
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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.

Unless they are connected to the same system, boilers and water heaters will both need their own expansion tanks. The only case they wouldn’t have separate expansion tanks is if the boiler is pulling double duty and managing a heating system while also supplying hot water for a home. In which case, you may not need a hot water heater.

No state requires you to vent an electric water heater. Other installation requirements for water heaters will vary, though, depending on the state and local jurisdiction in which you live. Some places require permits, while others don’t. Some may force you to place the appliance a certain distance from any walls or other appliances, while others don't. When you find a local professional to install a water heater, this expert will ensure you follow all the local regulations.

You can and should vent the gas from your hot water heater to the outside of your home. Traditionally, these gases were vented back to other gas appliances, like stoves or furnaces, but many jurisdictions have outlawed this practice due to the risks it provides. 

Most water heaters today use atmospheric venting that exhausts the gas out of the home through a pipe.

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.

The Union, IL homeowners’ guide to water heater services

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