Click to Schedule
Menu
Oasis Plumbing, Heating & Cooling Offers Seasonal Maintenance Plans

Gas Water Heater Repair in Addison, IL

When your gas water heater stops working, daily life comes to a screeching halt. Cold showers, dirty dishes, and laundry pile-ups are just the beginning of the inconvenience. At Oasis Plumbing, Heating & Cooling, we understand how essential reliable hot water is to your home or business, which is why we offer comprehensive gas water heater repair services throughout Addison, IL. Our team brings decades of hands-on experience to every service call, diagnosing issues quickly and providing lasting solutions that restore comfort to your property.

Since 1997, we have been delivering quality customer service, reliability, and expertise in heating, cooling, and ventilation to our residential and commercial clients. Serving our customers in Chicago and the Northern Suburbs for over 20 years, we have built a reputation for fast response times, transparent communication, and craftsmanship that stands the test of time. Whether your water heater is making strange noises, leaking, or simply not producing hot water, our highly-trained technicians have the tools and knowledge to get the job done right the first time.

Common Gas Water Heater Problems We Repair

Gas water heaters are complex appliances that combine combustion, plumbing, and electronic components into a single unit. When any one of these systems malfunctions, the entire unit can fail or operate inefficiently. Our technicians are trained to identify and resolve a wide range of issues, from minor adjustments to major component replacements. We work on tank-style and tankless gas water heaters from all major manufacturers, including Rheem, Bradford White, A.O. Smith, Rinnai, Navien, and many others.

Some of the most common gas water heater issues we encounter include faulty thermocouples, broken pilot lights, sediment buildup in the tank, defective gas control valves, malfunctioning burner assemblies, leaking pressure relief valves, corroded anode rods, and venting problems. Each of these issues presents unique challenges, but our systematic diagnostic process allows us to pinpoint the root cause efficiently. We always explain the problem and our recommended solution in plain terms before beginning any repair work, so you can make informed decisions about your home’s mechanical systems.

Our Gas Water Heater Repair Process

When you call Oasis Plumbing, Heating & Cooling for water heater service, we follow a structured approach designed to maximize accuracy and minimize disruption to your day. Our methodology has been refined over more than two decades of field experience and is consistently updated as new technologies emerge in the water heating industry. Every technician on our team follows the same protocols to ensure consistent, professional results regardless of which member of our crew arrives at your door.

Here is what you can expect during a typical service appointment:

  1. Initial assessment and safety check. We begin by inspecting the unit, checking gas connections, examining venting, and confirming that the surrounding area is safe to work in. Gas appliances require careful handling, and our technicians are certified to work with natural gas systems.
  2. Comprehensive diagnostics. Using specialized testing equipment, we evaluate the burner assembly, thermocouple or flame sensor, gas valve, thermostat settings, and water flow characteristics. We also check for proper draft and combustion efficiency.
  3. Transparent recommendation. Once we identify the issue, we present our findings along with options for repair. In some cases, replacement may be more economical than repair, and we will help you weigh the long-term value of each path.
  4. Professional repair work. Our trucks are stocked with common replacement parts so we can often complete repairs during the initial visit without scheduling a return trip.
  5. Testing and verification. After completing the repair, we test the unit through multiple heating cycles to ensure it is operating correctly and safely before we leave your property.

Why Choose Oasis Plumbing, Heating & Cooling for Water Heater Repair

Choosing the right contractor for gas appliance work matters more than many homeowners realize. Improperly repaired gas water heaters can pose serious safety risks, including carbon monoxide leaks, gas leaks, and even explosion hazards in extreme cases. Our technicians undergo continuous training to stay current with safety codes, manufacturer specifications, and best practices in the industry. We carry full insurance and licensing, giving you peace of mind that your home is protected throughout the service process.

Beyond technical competence, we believe that great service comes from treating customers the way we would want to be treated. Our responsive support staff offers customized solutions to fit your budget, and we take the time to answer questions, explain options, and provide honest assessments. We do not push unnecessary replacements or upsell services that do not benefit you. This straightforward approach has earned us loyal customers throughout Chicago, IL and the surrounding areas who return to us year after year for their plumbing, heating, and cooling needs.

Signs You Need Professional Water Heater Service

Recognizing the early warning signs of water heater trouble can save you from a complete system failure and the inconvenience that comes with it. Many issues develop gradually, giving observant homeowners the opportunity to schedule repairs before the unit fails entirely. If you notice any of the following symptoms, it is wise to contact a qualified technician promptly.

  • Inconsistent water temperature. Water that fluctuates between hot and cold or runs lukewarm despite the thermostat being set correctly often indicates burner or thermostat problems.
  • Discolored or rusty hot water. Brown or reddish water coming from hot taps suggests tank corrosion or a failing anode rod.
  • Unusual sounds from the tank. Popping, rumbling, or banging noises typically point to sediment buildup that reduces efficiency and shortens the unit’s lifespan.
  • Visible leaks or moisture around the base. Even small leaks can indicate serious internal problems and should be addressed immediately.
  • Pilot light issues. If your pilot light keeps going out or will not stay lit, the thermocouple or gas valve may need attention.
  • Rotten egg smell. A sulfur odor can indicate bacterial growth inside the tank or, more seriously, a gas leak that requires immediate professional response.

Serving Addison and Surrounding Communities

Addison residents have trusted Oasis Plumbing, Heating & Cooling for water heater repair and a full range of plumbing and HVAC services for many years. Our service area extends throughout Chicago, Elmhurst, Bensenville, and Addison, IL, allowing us to respond quickly to emergency calls and scheduled appointments alike. Whether you live in a single-family home, manage a multi-unit property, or operate a commercial facility, we have the experience and resources to handle gas water heater repairs of any complexity.

Give us a call today to schedule your gas water heater repair, and discover why so many property owners throughout the area rely on our team for dependable service, fair pricing, and workmanship that lasts.

Gas Water Heater Repair in Addison, IL

Gas Water Heater Repair in Addison, IL

Gas Water Heater Repair ∴ Addison, IL

Lincoln Square Chamber of Commerce Logo
Lincoln Park Chamber of Commerce Logo
Lakeview Chamber of Commerce Logo
Lakeview East Chamber of Commerce Logo
Edgebrook Sauganash Chamber of Commerce Logo
American Standard Heating & Air Conditioning Logo

Family Owned and Operated Since 1997

Make Your Home An Oasis

Keep all your heating and air conditioning systems running at peak performance with an Oasis Plumbing, Heating & Cooling Energy Savings Program. You can avoid seasonal emergencies, extend the life of your equipment and save money on equipment costs and energy over the life of your systems.

View Program

Contact Oasis Plumbing, Heating & Cooling Today!
Featured Five-Star
Customer Reviews

I have been using Oasis since 2019. They are reliable, efficient, and their prices are reasonable. The customer service is amazing. Every tech I’ve had come out is knowledgeable, friendly, and professional. The owner, Mike, is hands on and works with you every step of the way. Highly recommend Oasis.
Services include: furnace and AC replacement; annual maintenance.

Nicole U.

Danny and the folks at Oasis got us a great deal on a new furnace and AC. The install took about 4 hours, and they were also super responsive throughout the process. It was about as good of an experience I’ve had with an HVAC company. I’d highly recommend!

Brian C.

Oasis is great! My furnace is almost 30 years old and for a reasonable price they were able to do the repairs. First Danny came to evaluate. He showed me what was wrong. They had to order the necessary parts to fix it. Today Hani and Fernando came to do the repair. They were efficient and courteous. I will definitely use Oasis in the future.

Emily H.

Oasis has always been great to work with and their staff are quick and efficient if issues arise. When our air conditioning broke down during the heat of the summer, they provided a quick replacement at a competitive price. Their staff are always extremely kind, respectful, and knowledgeable.

Sam C.

I had a great experience with Oasis. Our furnace had issues on Thursday night and Oasis came at 7am the next morning, and we found out we needed a new one. They provided all the necessary information to our condo building so we could get an emergency replacement on Saturday morning. Within 36 hours we had a brand new furnace and the installation team did a great job communicating on their work and how to use the furnace. The owner, Mike, and his team are great and I really appreciated the attention they gave to this matter. I would highly recommend and will only go to them in the future.

Shane H.

Oasis was incredibly responsive and efficient! My call to them on a Friday night during a cold spell was returned within 10 minutes and he scheduled a tech to come to my home at 7 the following morning. At 7 the tech was there, examined my furnace confirming that a new motor was necessary. He searched for the part, sent a quote and returned with the motor by noon the same day to install it. You can’t beat that!!! I will be using Oasis for all my future furnace and A/C needs.

Gayle V.

I called Oasis this morning because my furnace was not working. Within 20 minutes their technician, Danny, arrived. Danny was able to assess the situation, provide an immediate fix, and even commit to returning Monday morning to provide additional services needed. Danny was friendly, informative, professional and FAST! I am thankful I called Oasis for my immediate heating needs and that Danny was the technician who arrived. Top notch service! Highly recommend.

Megan R.

The folks with Oasis showed up right on time and replaced my entire furnace and condenser in about 4.5 hours. I had just redone my laundry room where the furnace is and they took great care not to damage anything. Overall very happy with the service and very happy with how respectful the installers were.

Josh D.
Michelle E Moy
2 days ago
Joseph and Kwee showed up on time and were very polite. We promptly went to basement where the PVC pipe for my HVAC drainage had snapped in half. Joseph took a look and told me exactly how he was going to fix/replace the broken pipe. I was in a rush because I was on a client call when they arrived (my fault for not checking my calendar). As I ran upstairs, Joseph asked if I wanted to review pricing, which would have slipped my mind had he not stopped me. I’m very grateful he took the initiative to do that. I was surprised at the price of $225 as other companies had quoted me much higher prices. Once that was agreed upon, Joseph and Kwee got to work and were finished in about 20 minutes. The process was seamless and they were careful about being quiet as they were leaving to not disrupt my call. I will definitely be calling Oasis for my next plumbing job. Before and after pics attached. Thank you, guys!
Bill Nguyen
2 days ago
We have relied on Oasis for years, installing our furnace, maintaining our furnace and a/c, and cleaning our ducts. They are always professional and reliable.
Luis Quinones
5 days ago
Super responsive, great service. Everyone was incredibly nice throughout. Couldn’t ask for much more.
Wayne Duan
5 days ago
I've been using Oasis for my annual HVAC maintenance, as well as various HVAC and water heater repairs for the past ~5 years. They are consistently prompt, polite, and efficient. Every technician has been professional, reliable, and clear in their communication. Highly recommend!"
We had Oasis come out to identify a bathroom tub leak. The two guys were helpful, very friendly, and explained everything that was going on in great detail. They really educated us on what our issue was and identified the potential problems in a matter of minutes. Would def recommend.
Michelle Drake
6 days ago
Timely, professional and informative.
Kaitlin Meyer
6 days ago
Mark G was great. Highly recommend
Spencer Veltema
6 days ago
Oasis Heating and Cooling are definitely the people I recommend for HVAC situations. They’ll be honest with you about what’s going on and what your options are. They may not be the absolute cheapest option but you get what you pay for, and one visit from them compared to multiple visits from someone who is dirt cheap is going to be worth it in the long run.
Matty H
6 days ago
Joseph was very knowledgeable and professional. He explained the issue with my A/C and fixed it promptly, even tackling an unrelated request during the same visit.
Kelsey Rayford
1 week ago
Super detail oriented and fair pricing. Will use them every season!
Response from the owner:Thank you, Kelsey! We appreciate your kind words and are glad to hear you value our detail-oriented approach and fair pricing. Looking forward to serving you every season!
Melanie Makhija
1 week ago
Response from the owner:Thank you for your review, Melanie! We appreciate your support and look forward to serving you again.
Billie Morrow
1 week ago
On time, very professional, explained everything and cleaned up nicely when the job was completed
Response from the owner:Thank you, Billie! We appreciate your kind words about our professionalism and attention to detail. It's great to know you had a positive experience.
Courtney Kendal
1 week ago
Response from the owner:Thank you, Courtney, for taking the time to leave a review. We appreciate your support!
Technicians Joseph and Bill were really great! Punctual, friendly, explained everything in a way that was easy to understand. I highly recommend.
Response from the owner:Thank you, Colette! We're glad to hear that Joseph and Bill provided you with great service and made everything easy to understand. Your recommendation means a lot to us!
Rossy Jimenez
2 weeks ago
Response from the owner:Thank you, Rossy, for taking the time to leave a review. Your feedback is appreciated!
Vanessa Banks
2 weeks ago
Joseph did a great job. My AC unit is on its last leg. He explained in detail the problem and gave me an estimate of the approximate cost of a new unit installation.
Response from the owner:Thank you, Vanessa! We're glad to hear that Mark's efforts made a positive impact. Your feedback means a lot to us!
Deanna Charles
2 weeks ago
Response from the owner:Thank you, Deanna, for your review! We appreciate your support and look forward to serving you again.
searah deysach
2 weeks ago
We've used Oasis for years. They come when they say they will, the are friendly and they get the job done, usually very quickly !
Response from the owner:Thank you, Searah! We appreciate your loyalty and are glad to hear that our team consistently meets your expectations with friendly and efficient service.
Frank Bruno
2 weeks ago
Danny was professional and efficient. He identified the issue immediately. We have used Oasis for a very long time. We keep coming back. Always great!
Response from the owner:Thank you, Frank! We're glad to hear about your positive experience with Danny and appreciate your loyalty to Oasis. Looking forward to serving you again!
I have known Mike for over 25+ years. His crew has installed new heating and cooling systems for me, with vents and ductwork installation, hot water heaters and has serviced and maintained same over the years. They are reliable and always available when you need them. Recently, he replaced the heating and cooling system at my parent's house. He came out right away to assess and provide an estimate for the work and 3 days later my parents had their new system to initiate the winter season worry-free. His crew is punctual, very professional and very knowledgeable in their work. I recommend Oasis without reservation.
Response from the owner:Thank you, Leticia! We truly appreciate your kind words and loyalty over the years. It's great to hear that Mike and the team have consistently met your needs and those of your parents. Your recommendation means a lot to us!
Neela Persaud
2 weeks ago
We had a new AC and furnace replaced in our condo. The work was completed on a Monday. On Saturday morning, there was a lot of water coming down into the utility closet. We called in to the office immediately and since it was a holiday weekend, there was no availability until Tuesday morning. Saturday evening, as the dripping continued, it dripped into the pan the unit was sitting in, causing the safety switch to shut down the AC. We texted Naim, the estimator, who reached out to the GM. On Sunday morning, Mike and Alan came out to diagnose the problem. They found out that the new installation was not the problem. The water was coming from the condo unit above us. They went above and beyond by going to the unit and cleaning out the blocked pipe that was the source of the problem. This was done at no charge to us; pretty sure not yo the neighbors upstairs either. I would highly recommend Oasis.
Response from the owner:Thank you, Neela, for your wonderful review! We're glad to hear that Naim, Mike, and Alan were able to assist you promptly and go the extra mile to resolve the issue. Your recommendation means a lot to us!
Sarah Herweg
2 weeks ago
We had Joseph come out to do maintenance on a bad capacitor - he was very communicative, quick and anticipated what it was based on my description on the phone! Really appreciate the excellent service
Response from the owner:Thank you so much, Sarah! We truly appreciate your support and are glad you had a great experience. We're here for all of your HVAC and Plumbing needs!
Tony Werner
2 weeks ago
Joseph was great. Super helpful and totally clear. Would def use again.
Response from the owner:Thank you, Tony! We're glad to hear that Joseph was helpful and clear in assisting you. We look forward to serving you again!
michael parker
2 weeks ago
Easy to schedule and coordinate, service tech arrived on time and performed the necessary work in a timely matter, making only one recommendation for a minor component replacement in 12 months. Friendly and polite. I will use Oasis again next time need service or a system checkout!
Response from the owner:Thank you, Michael! We're glad to hear that scheduling was easy and that our service tech was friendly and efficient. We appreciate your trust in Oasis and look forward to assisting you again in the future!
Leave a Review Chicago Leave a Review Elmhurst
Free Second Opinion

Avoid Unnecessary Repairs And Replacements.

Free second opinion with a written estimate or diagnosis from another service provider. Evaluation only; additional diagnostics, repairs, parts, and services not included. Residential customers only. Cannot be combined with other offers.

Use By
09/30/2026
$77 off any Plumbing Repair

Restore Comfort Fast With Professional HVAC & Plumbing Repairs.

Offer valid on qualifying residential repair services only. Diagnostic fees, maintenance services, replacements, and new installations are not eligible. Cannot be combined with other offers or prior sales.

Use By
09/30/2026
Special Offers

View plumbing maintenance

Maintenance Plans

View HVAC maintenance plans

Addison, IL