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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(
280
)
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 by83%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

"They were professional, took a look at the catch basin and rodded it to get water flowing. Unfortunately the camera showed a lot of roots and the basin has a retainer wall issue. So more work is needed, however they didn't pressure me to do the work now, walked me through the different options to fix and only charged me for the original Angie's list deal to rodd the line. I would hire them again, and just may to do the other work."
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%
79 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.

Recommended by73%of homeowners
Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,537
)
Water Heater - Install or Replace

Serving Union, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"Brian S did a great job diagnosing issues with my water heater. He was able to schedule one of their plumbers to come out and install a new water heater the next day. I would highly recommend Perma Seal for any future waterproofing and plumbing needs."
Thermal imaging
Blower door test
Old insulation removal
New blown insulation
Perma-Seal Attic Insulation

+48

Response time1 day
Response rate100%
47 neighbors recently requested a quote
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

"Discovered that our water heater died around 7 p.m. on a Wednesday night. Within minutes of my HomeAdvisor request, Glen called. We discussed options for repairing, replacing with the same unit, or replacing with a tankless system. Glen very patiently answered all of my questions, giving me confidence that we were making the right choice instead of just the easiest one. The next afternoon, we were back up and running and couldn't be happier with the service we received. We will definitely be calling Wagner Family Plumbing for any future plumbing needs."
Mainline Sewer Machine
Fully Stocked Trucks
Multiple Pits
Pumps
Fully Stocked Trucks

+7

Response time9 hrs
2 neighbors recently requested a quote
Recommended by97%of homeowners
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Water Heaters FAQs, answered by experts

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.

There are pros and cons to tankless water heaters. They are more efficient than traditional tank water heaters, and maintenance costs are lower. These units are also much more compact. On the other hand, they cost about twice as much to install as traditional tank water heaters and are more limited in terms of flow rate.

Newer models are packed with newer technologies that decrease energy consumption and increase output, giving you more bang for your buck in more bills than one. 

If you’re trying to decide whether you want to repair or replace your new heater, consider factors like your utility bills, repair costs, and even your carbon footprint to help you decide whether it makes sense to buy a new one instead.

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.

While not all homes require a hot water heater expansion tank, they are necessary in most newer homes and are often mandated by local building codes. Codes typically require an expansion tank if your plumbing system is a 'closed-loop' system, which often includes a backflow preventer or pressure regulator on the main water line. Some municipalities have specific requirements. Installing an expansion tank on a closed system is crucial, as it prevents excess pressure that can damage your water heater and other appliances, potentially shortening their lifespan. However, tankless water heaters do not require an expansion tank.

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.