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Top-Rated Water heater repair or service pros in Barrington - Updated Nov 2026

Avatar for Aqua Knight Plumbing Co.
Aqua Knight Plumbing Co.
5.0(
16
)
Water Heater - Repair or Service

Serving Barrington, IL and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

With 24 years of experience we are dedicated to providing our clients with the very best in service, installation, and repairs for all phases of your plumbing needs. We specialize in a variety of residential and commercial services from water heater installations, sewer main installations, sump pump installations, repairs and so much more! We take pride in the attention to detail put into each of the projects \nwere involved with. Were known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. \n \nAll Work Is Warrantied - Inquire Within \n \nMilitary Veteran and First Responders Discounts Available - Inquire Within \n \nDeposits May Be Required - Inquire Within \n \nAccepts Cash, Checks & Major Credit Cards \n \nFinancing Options Are Available - Inquire Within \n \n24/7 Emergency Services Available \n \naquaknightplumbing.com

New Sump Pit
Outside Clean Out
Outside Clean Out
March 2026
July Clog Log

+169

5 neighbors recently requested a quote
Recommended by31%of homeowners
Avatar for JVS Plumbing Company
JVS Plumbing Company
4.9(
120
)
Water Heater - Repair or Service

Serving Barrington, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"Very friendly workers, did a great job, and were very careful about any messes they made. The tankless water heater they installed, couldn't have been installed any better."
Drinking fountain install
Drinking fountain install
75 gallon water heaters
Grease interceptor instal
Grease interceptor instal

+45

Response time1 day
28 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Four Seasons Heating & Air Conditioning
Four Seasons Heating & Air Conditioning
4.3(
3,298
)
Water Heater - Repair or Service

Serving Barrington, IL and surrounding areas

Approved (Corporate)

In business since 1971

Free estimates

Emergency services offered

"Tech performed service per protocols. He informed me that the water line to the attached humidifier was brittle and needed to be replaced. This was an expensive repair but I was offered a discount. Per their points inspection, the Tech verified that there was no gas leak from my water heater. The thermostat was not inspected since it is functioning and we are observing COVID recommendations. I was given a five-hour window for the Tech to arrive. This is the longest time frame ever. I assume that the extra COVID procedures are the reason. The Tech was professional and respectful of home COVID measures."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Response time9 hrs
44 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for S A V Plumbing, Inc.
S A V Plumbing, Inc.
4.9(
346
)
Water Heater - Repair or Service

Serving Barrington, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"I would recommend Andrey to anyone who is in need of replacing their water heater or any other plumbing work. He is very professional and knowledgable and works for a very fair price. He gave me great tips on how to maintain my new water heater and made sure everything was to my satisfaction before he left. Thank you!"
Powder room
Smart toilet
Jacuzzi
Mechanical room
Shower

+12

Response time1 hour
Response rate96%
2 neighbors recently requested a quote
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FAQs for water heater repair or service projects in Barrington, IL

Warning signs include fluctuating water temperatures, a pilot light that repeatedly goes out, unusual noises from the tank, or complete heating failure. You might also detect a rotten egg smell, indicating a potential gas leak, or notice water that never reaches the proper temperature. If your water heater is over eight years old and displaying these symptoms, the gas valve is a likely culprit. Professional inspection is recommended, especially if gas odors are present.

Water heater gas valves are not universally interchangeable. Each valve must match your specific water heater's make, model, and specifications. Important compatibility factors include gas type (natural gas vs. propane), BTU rating, connection types, and physical dimensions. Using an incorrect valve can result in poor performance, premature failure, or dangerous gas leaks. Always consult your water heater's documentation or a professional plumber to identify the appropriate replacement valve for your unit.

The Barrington, IL homeowners’ guide to water heater repair or services

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