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Tankless Water Heater Installation in Skokie, IL

If you have been considering an upgrade from a traditional storage tank water heater, a tankless system represents one of the most impactful improvements you can make to your home’s plumbing infrastructure. At Oasis Plumbing, Heating & Cooling, we have been serving customers in Chicago and the Northern Suburbs for over 20 years, and during that time we have watched tankless water heater technology evolve from a niche product into a mainstream solution that homeowners across Skokie are embracing for its efficiency, longevity, and space-saving design. Our highly trained technicians and responsive support staff offer customized solutions to fit your budget, ensuring that every installation is tailored to the specific demands of your household.

Skokie homeowners face unique considerations when it comes to water heating. The cold Illinois winters mean that incoming water temperatures can drop to near freezing, which places additional demand on any water heating system. A properly sized and professionally installed tankless unit accounts for this temperature differential, delivering consistent hot water even during the coldest months. We evaluate each home individually, factoring in the number of bathrooms, appliance demands, and peak usage patterns to recommend the ideal system for your needs.

How Tankless Water Heaters Work

Unlike conventional tank-style water heaters that continuously heat and store a reservoir of water, tankless units heat water on demand as it flows through the system. When you open a hot water tap, cold water travels through a pipe into the unit, where either a gas burner or an electric element heats the water instantly. This means you are not paying to keep forty or fifty gallons of water hot around the clock, which eliminates what the industry calls standby energy loss. According to the U.S. Department of Energy, tankless water heaters can be 24 to 34 percent more energy efficient than conventional storage tank units for homes that use 41 gallons or less of hot water daily.

The technology behind modern tankless systems has advanced significantly. Current models feature modulating burners that adjust flame intensity based on flow rate and desired output temperature, sophisticated electronic controls that monitor performance in real time, and built-in diagnostics that alert homeowners and technicians to maintenance needs before they become costly repairs. Gas-fired tankless units typically deliver flow rates between two and five gallons per minute, while whole-house electric models continue to improve in capacity and efficiency each year.

Our Installation Process

Every tankless water heater installation we perform in Skokie begins with a comprehensive in-home assessment. Since 1997, Oasis Plumbing, Heating & Cooling has delivered quality customer service, reliability, and expertise in heating, cooling, and ventilation to both residential and commercial clients, and that commitment extends fully to our plumbing services. During the initial consultation, we examine your existing plumbing layout, gas line capacity, electrical infrastructure, and venting options. This thorough evaluation allows us to determine whether a gas or electric tankless system is the better fit and to identify any modifications that may be necessary to support the new unit.

Once we have established the right system and configuration, the installation typically involves several key phases. We begin by safely disconnecting and removing the old water heater. If transitioning from a tank to a tankless system, we may need to upgrade the gas line to accommodate the higher BTU demand of a tankless unit, install new venting through an exterior wall or roof, and potentially add a dedicated electrical circuit for the control board. Our technicians handle all of these modifications in compliance with local building codes in Skokie, ensuring that every connection is secure and every component meets manufacturer specifications.

After mounting the unit and completing all plumbing, gas, and electrical connections, we perform a full system test. This includes checking for gas leaks, verifying proper water flow and temperature output at multiple fixtures, programming the digital controls to match your preferences, and walking you through the operation and basic maintenance of your new system. We want you to feel completely confident in your investment before we leave your home.

Benefits of Going Tankless in Skokie

The advantages of switching to a tankless water heater extend well beyond energy savings, though those savings are substantial over time. Homeowners throughout Skokie and the surrounding communities choose tankless systems for a wide range of practical reasons that improve daily life and add long-term value to their properties.

  • Endless hot water supply allows multiple showers, dishwashers, and washing machines to operate without running out of hot water during peak household usage
  • Extended equipment lifespan of 20 years or more compared to the typical 10 to 15 year lifespan of traditional tank water heaters
  • Significant space savings since tankless units mount on a wall and free up valuable floor space in basements, utility closets, and mechanical rooms
  • Reduced risk of water damage because there is no large storage tank that can corrode, leak, or catastrophically fail
  • Lower monthly utility bills resulting from the elimination of standby heat loss that accounts for a meaningful portion of traditional water heating costs
  • Improved home resale value as energy-efficient upgrades continue to be highly attractive to prospective buyers in the northern suburbs market

Choosing the Right System for Your Home

Selecting a tankless water heater involves more than simply picking a model off the shelf. The correct unit depends on the number of simultaneous hot water applications you need to support, the temperature rise required given Skokie’s cold groundwater temperatures, and whether your home has adequate gas supply or electrical capacity. A household with three bathrooms and a high-demand kitchen will require a very different solution than a smaller home with one bathroom and modest hot water needs.

We work with leading manufacturers that produce both condensing and non-condensing gas models as well as high-performance electric units. Condensing tankless water heaters capture additional heat from exhaust gases, achieving efficiency ratings above 90 percent, and they can vent with PVC piping rather than stainless steel, which can reduce installation complexity. Our team walks you through the pros and cons of each option so you can make an informed decision.

Maintenance and Long-Term Care

One of the keys to maximizing the lifespan and performance of a tankless water heater is regular maintenance. Skokie’s water supply contains minerals that can accumulate inside the heat exchanger over time, gradually reducing efficiency and flow rate. We recommend annual descaling using a food-grade vinegar solution circulated through the unit, along with inspection of the inlet filter, burner assembly, and venting components. Our team provides ongoing maintenance services to keep your system running at peak performance year after year.

  1. Annual flushing and descaling to remove mineral buildup from the heat exchanger and maintain optimal heat transfer efficiency
  2. Inlet filter cleaning to prevent debris from restricting water flow into the unit
  3. Venting inspection to confirm that exhaust gases are being safely and properly directed outside the home
  4. System diagnostics review to identify error codes or performance irregularities before they lead to unexpected failures

Investing in a tankless water heater is a decision that pays dividends for decades. As your reliable HVAC and plumbing team serving Skokie, Chicago, Elmhurst, Lombard, Addison, Wilmette, and the surrounding communities, we at Oasis Plumbing, Heating & Cooling bring the expertise and attention to detail that every installation deserves. Whether you are building a new home, renovating an existing property, or simply replacing an aging water heater, we are ready to help you find the perfect tankless solution. Contact us today to schedule your in-home assessment and take the first step toward endless hot water and greater energy efficiency.

Tankless Water Heater Installation in Skokie, IL

Tankless Water Heater Installation in Skokie, IL

Tankless Water Heater Installation ∴ Skokie, IL

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Featured Five-Star
Customer Reviews

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.

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 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.

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.

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.

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.

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.

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.
Bob McDermott
4 hours ago
Caitlin Weyrauch
20 hours ago
Oasis always provides prompt and professional services. Whether it’s routine maintenance or helping us out during a heat wave or cold front. We’ve used other companies in the past but Oasis is always offering superior service.
Response from the owner:Thank you so much for taking the time to leave an excellent rating for our Oasis Team!
Cady Reycraft
20 hours ago
Return customer to Oasis, but first time using their plumbing services. Called for 3 things in our basement that were leaking. Amer and Steve very efficiently fixed our bathtub overflow drain, washing machine drain pipe and toilet. They were knowledgeable and professional. We will definitely use Oasis for any future plumbing needs, as well as continue to use them to service our HVAC.
Joanne Zolomij
21 hours ago
Opened up laundry line that wasn’t draining
OP Carters
1 day ago
Prompt, efficient service. Very knowledgeable and trustworthy service tech. We’ve had good experience with Oasis and will likely continue to use them.
Super helpful team. Joseph came out day of after I flagged an issue with my AC unit. Able to fix the issue, even do a complimentary cleaning of the unit before the summer heat comes. Best option in Chicago
Joseph & Hani both have done phenomenal work for us over the years.
Denise Lemanski
3 days ago
First time using Oasis Heating. They came out same day on a holiday weekend. Fixed my heater and corrected an issue we had with the Nest. Explained the issue clearly and what they did to fix it.
Response from the owner:Thank you, Denise, for your kind words! We're glad we could help you on a holiday weekend and appreciate your trust in us.
Tan Xiaodong
3 days ago
Damir is very professional kind. He helped us to talk to the Association and figure out what we should do. I am very satisfied. Thanks
Mara Perlow
4 days ago
Naem came out to my home and was very professional with his knowledge and recommendations.
Kin Lau
4 days ago
Kelly Hofer
4 days ago
David Green
4 days ago
Damir came over quickly, solved our AC issue, and gave us a good price. Thank you!
ronak kapadia
5 days ago
Oasis always does a thorough job. Friendly knowledgeable staff too. I am loyal to this company.
Condo Assn
5 days ago
The technician showed up early, and was extremely helpful in explaining the situation and the plan to correct the problem going forward. Unfortunately the tech could not access the roof due to lightning in the area, but we already have the next appt scheduled for Monday.
Jisoo Kim
5 days ago
We’ve been using Oasis for our HVAC needs for years including the installation of our rooftop unit. Oasis makes everything easy from scheduling to payment. We recently just had the HVAC serviced by Joseph and he was very professional and thorough with his explanations. Highly recommended company. Update - just had Joseph come out again for routine maintenance and he has made some recommendations to ensure that I do not incur a bigger bill in the future!
Response from the owner:Thank you, Jisoo, for your wonderful review! We appreciate your loyalty and are glad to hear that Joseph provided you with professional service. Your recommendation means a lot to us!
sabrina severns
5 days ago
Serge, Damir, and Samir worked at my business to replace my 20+ year old HVAC system. It was a tricky job as there was an odd placement for my HVAC system. Damir came out to assess what was wrong with my unit and explained what was going on and listened to my concerns about replacing the old unit. I was very nervous that they'd have to cut a giant hole in my kitchen wall, and they found a solution by moving the unit in and out of the closet ceiling to avoid a large drywall repair in my kitchen. They did a fantastic job keeping the work space clean and tidy- when they left, they left my space spotless with a new HVAC! It works great and I'd highly recommend Oasis!
Michiel Bove
6 days ago
The Oasis team is impressive! Online scheduling was a breeze and we had an appointment all squared away first thing the next morning. The AC tech was very knowledgeable and courteous and was able to come up with a solution and a quote very quickly. We’ve also had a great experience when dealing with a faulty tankless water heater. Would recommend without reservation!
Response from the owner:Thank you, Michiel! We're glad to hear about your positive experience with our team and the quick solutions provided. Your recommendation means a lot to us!
Tkluegel
6 days ago
Joseph did a great job. Prompt, professional, and very helpful!
Response from the owner:Thank you! We appreciate your kind words about Joseph's promptness and professionalism. Your feedback means a lot to us!
Tara Garvey
7 days ago
Oasis was a lifesaver for us! I called on a Monday night, and our new AC was installed by Tuesday afternoon. The price was HALF of what we were quoted by a competitor, and they were able to do it using a ladder, rather than a crane, which the other guys said was required. BIG shoutout to Jose and Amir for their professionalism, attention to detail, and knowledge. Would recommend this company to anyone!
Response from the owner:Thank you, Tara! We're so glad Oasis could help you out quickly and at a great price. We appreciate your kind words about Jose and Amir, and your recommendation means a lot to us!
Suzy Wolf
7 days ago
Chris is terrific and helped take care of a few plumbing issues in our home. Replaced two cartridges in our bathrooms and fixed a pipe that had been damaged over the winter. He is quick, hard-working, and ethical and thoroughly explained the issues that were having. I would not hesitate to utilize his services again. Terrific company and owner.
Response from the owner:Thank you, Suzy! We're glad to hear that Chris provided excellent service and took care of your plumbing issues. Your kind words about our company mean a lot to us, and we look forward to assisting you again in the future!
Jerrel Boyer
1 week ago
I Have used Oasis many times over the years at several properties. I’ve had a range of services from furnace repair and installation as well as AC repair and installation. Their service has always been top-notch, prompt and very dependable. I’ve had a few different technicians all of which have arrived promptly, have been very courteous and seemed very knowledgeable. I couldn’t be more satisfied
Response from the owner:Thank you, Jerrel! We truly appreciate your loyalty and are glad to hear about your positive experiences with our team. Your satisfaction means a lot to us!
Lane Fenrich
1 week ago
I highly recommend Oasis! Their service reps are prompt, courteous, and super-helpful!
Response from the owner:Thank you, Lane! We're grateful for your recommendation and glad to hear our team has provided you with prompt and courteous service. Your support means a lot to us!
Christine Corso
1 week ago
Joseph was very polite and efficient. He did a great job!
Response from the owner:Thank you, Christine! We're glad to hear that Joseph provided you with polite and efficient service. We appreciate your feedback!
Dmitry Shifrin
1 week ago
Response from the owner:Thank you, Dmitry, for your review! We appreciate your feedback and support.
Stephen Selka
1 week ago
Joseph was helpful and professional!
Response from the owner:Thank you, Stephen! We're glad to hear that Joseph provided you with helpful and professional service. Your feedback means a lot to us!
Dinesh
1 week ago
Been using them for years always reliable and helpful. Joesph has serviced our furnace and AC a few time, and we always appreciate his attention to detail and how thorough he is.
Response from the owner:Thank you, Dinesh! We greatly appreciate your loyalty and are glad to hear that Joseph has consistently provided you with reliable and thorough service. Your kind words mean a lot to us!
M D
1 week ago
Fast, efficient and friendly service! Called Saturday late afternoon and our AC was working again by 9am Monday morning.
Response from the owner:Thank you, M! We're glad to hear you had a fast and friendly experience with our service. Your satisfaction is important to us, and we appreciate your feedback!
Kim Johnson
1 week ago
I had my yearly ac check. Mark was professional, on time and knowledgeable. I truly appreciate the service from oasis
Response from the owner:Thank you, Kim, for your kind words! We're glad to hear Joseph provided you with excellent service, and we appreciate your support of Oasis.
Keith Lucas
1 week ago
Fast friendly service. Tech arrived on time and quickly diagnosed problem.
Response from the owner:Thank you, Keith! We're glad to hear that you experienced fast and friendly service. Your satisfaction means a lot to us!
Darby Putman
1 week ago
We’ve been using Oasis for years. I trust their recommendations and never feel like they’re trying to sell us items we don’t need. Everyone we’ve worked with has been respectful and helpful.
Response from the owner:Thank you, Darby! We appreciate your loyalty and are glad to hear that you trust our recommendations. It's great to know our team has been respectful and helpful during your experience.
Daniel Cox
1 week ago
Professional and friendly
Response from the owner:Thank you, Daniel! We appreciate your kind words about our professionalism and friendliness. Your support means a lot to us!
Fritz Armstrong
1 week ago
Second time for repair service and Oaisis exceeded expectations again! Tech was courteous & knowledgeable. He took the time to fully explain the current status, and future work needed on our system. Office also made an effort to try to move my appointment sooner- if I had been available. Above and beyond! Communication is excellent via phone and text. Tech was on time, and stayed for an appropriate amount of time once done to ensure the problem was handled.
Response from the owner:Thank you, Fritz! We appreciate your feedback and are glad our technician was able to assist you quickly and efficiently. It's great to hear our team was able to get your system back up and running in no time!
Jon LaCross
1 week ago
Joseph was very helpful
Response from the owner:Thank you, Jon! We're glad to hear that Joseph was able to assist you. Your feedback is greatly appreciated.
Marla Saret
2 weeks ago
Response from the owner:Thank you, Marla, for taking the time to leave a review. Your feedback is appreciated!
Erick Vargas
2 weeks ago
Response from the owner:Thank you, Erick, for taking the time to leave a review. We appreciate your support!
Krysia Jacobs
2 weeks ago
Oasis has been extremely reliable. Easy to schedule service. Tech’s come quickly and on time. Excellent communication and follow up. We are very happy customers.
Response from the owner:Thank you, Krysia! We appreciate your kind words and are glad to hear that you find our service reliable and our team prompt and communicative. Your satisfaction means a lot to us!
Ken Ross
2 weeks ago
Great service and efficient repair
Response from the owner:Thank you, Ken! We're glad you appreciated the service and repair efficiency. Your support means a lot to us!
Ismael Farfan
2 weeks ago
Joseph and Mark did a great job. Speedy and answered all questions.
Response from the owner:Thank you, Ismael! We're glad to hear that Joseph and Mark provided speedy service and addressed all your questions. Your feedback is greatly appreciated!
CJ Ward
2 weeks ago
I’ve used Oasis for two maintenance appointments. Great customer service when scheduling appointments. Both times the technicians have been friendly & insightful. Joseph (technician) provided clear explanations of what to keep an eye on & of additional services that could be provided without pushing for a commitment.
Response from the owner:Thank you, Cj! We're glad to hear you had a positive experience with our scheduling and that Joseph was able to provide you with helpful information. We appreciate your feedback and look forward to serving you again!
Marie O'Brien
2 weeks ago
Oasis has served me well in three homes. They’re friendly, professional, and I like supporting a local small business.
Response from the owner:Thank you, Marie! We're so glad to hear that you've had a positive experience with us across three homes. Your support for our local business means a lot!
Shana Falk
2 weeks ago
Oasis installed our furnace and AC and has handled all the maintenance over the 5-6 years we’ve had them. We’ve been happy with them every time. I would definitely recommend them to others.
Response from the owner:Thank you, Shana! We're so glad to hear that you've been happy with our furnace and AC services over the years. Your recommendation means a lot to us!
Ryan Buxton
2 weeks ago
Oasis responded the same day to my AC outage, tried appropriate remediation for an old system, and provided an immediate and extremely fair estimate for a new ac and furnace.
Response from the owner:Thank you, Ryan! We appreciate your recognition of our prompt response and fair estimating process. We're glad we could assist you with your AC situation.
Ted Mescall
2 weeks ago
Joseph did a great job.
Response from the owner:Thank you, Ted! We're glad to hear Joseph made a positive impact. Your feedback is appreciated!
Jon Mirabito
2 weeks ago
Response from the owner:Thank you, Jon, for taking the time to leave a review. We appreciate your feedback!
Chelsea Brown
2 weeks ago
Response from the owner:Thank you for your review, Chelsea! We appreciate your feedback and are here to help if you have any questions or need assistance.
Mark Canuel
2 weeks ago
Friendly and professional service! They have done regular service for us as well as repairs and installation on our HVAC system. We love this company and would recommend them to anyone.
Response from the owner:Thank you, Mark! We appreciate your kind words and are glad to hear you've had positive experiences with our service, repairs, and installations. Your recommendation means a lot to us!
Derek Zoia
2 weeks ago
They were very punctual, thorough and explained everything that was happening. Would recommend them for a sewer scope and will certainly contact again for future plumbing needs. Shoutout to Steve and Amer for doing a fantastic job!
Response from the owner:Thank you, Derek! We appreciate your kind words and recommendation. It's great to hear that Steve and Amer provided excellent service. We look forward to assisting you with your future plumbing needs!
Connie Meyer
2 weeks ago
Super friendly and competent service. Really appreciate their excellent communication and top-notch service. Thanks!
Response from the owner:Thank you, Connie! We're glad to hear that our quick and knowledgeable service made a difference for you. Your support means a lot to us!
Maria Rosa
2 weeks ago
We had a clogged basement sink. I contacted Oasis early in the day, and they responded via text immediately. The plumbers were at my door within several hours. Amer and Steve quickly identified and resolved the issue. They were both polite and professional. I truly appreciate the speed with which the situation was remedied.
Response from the owner:Thank you for taking the time to rate your experience with Oasis! Our team appreciates the feedback and looks forward to providing you with great service in the future.
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