Tankless Water Heater Installation in Skokie, IL

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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.

Annual flushing and descaling to remove mineral buildup from the heat exchanger and maintain optimal heat transfer efficiency
Inlet filter cleaning to prevent debris from restricting water flow into the unit
Venting inspection to confirm that exhaust gases are being safely and properly directed outside the home
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 ∴ Skokie, IL

Featured Five-Star

Customer Reviews

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.

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.

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.

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.

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.

Excellent

Oasis Heating and Cooling4.9

Based on 1070 reviews

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Joshua Runnels

15 hours ago

I had a great experience with Oasis. They were very fast and very professional.

Response from the owner:Thank you, Joshua, for your kind words about Oasis; we appreciate your feedback and are glad to hear you had a positive experience with our team! We're here for all of your HVAC and Plumbing needs!

Dmitry Sturgeon

5 days ago

Naem and Joseph were great! Came on time and completed the installation very quickly

Jerrad Langlois

6 days ago

Naem and Joseph were great.

Dut A.

1 week ago

If you don’t do your accounting (invoice policing), they will get some of your money unaccounted for and make it sound like your fault!

Parambir Dulai

Michael, Naem, Serge, and Joseph were amazing. Very professional and efficient. Great work.

Kristina Menzel

2 weeks ago

Danny and Hani were great. I had messed up my thermostat and they were able to diagnose and repair it quickly. So much warmer now thanks to them

Asclepias

3 weeks ago

Would give more stars if they were available! The Amirs - a great father/son team- arrived on time and were finished in the estimated time. They are perfectionists and left me with a new H/VAC system that is better sized to my needs and the American Standard brand is made in the USA. Oasis is neither the highest nor the lowest priced but quality for price is ... priceless. You won't be disappointed if you call them.

Ann Ryan

Joseph came out to diagnose a boiler line leak. He provided options to "cap" the line vs replacing the entire pipe. The work involved cutting the dry wall and I was relieved to see that he didn't need to cut as much drywall as expected...I may not even replace it. Really appreciate the professionalism and the cleanup after his work was done.

Mick Bockstruck

4 weeks ago

Joseph was very helpful diagnosing a water spot on my ceiling. Was knowledgeable and offered solutions even though it wasn’t an HVAC issue.

Shawnee Smith

Joseph and Surge provided great service! They helped identify the root causes of some of our issues and provided options to fix them same day. Highly recommend working with them.

Katie Basil

Joseph did a fantastic job performing a maintenance check on my furnace. Very friendly, knowledgeable and polite. Took time to explain everything to me about the inter workings of a furnace. Came on time, worked quickly but thoroughly. Hopefully my kids learned a thing or two as well! Thanks again!

Tom Wickman

1 month ago

Joseph did a good job

Bill King

Oasis is our go-to HVAC provider and maintainer because they’ve proven to be trustworthy and reliable over the past 8 years. Today’s annual furnace maintenance by Joseph was no exception. He was knowledgeable and efficient and very informative and helpful in discussing a possible water heater upgrade.

Michael Nagrant

Joseph did an amazing job and explained everything clearly and courteously.

Manav Singla

Joseph was great! Mike and team responded super fast and charged a reasonable rate to fix our furnace.

Rose Murphy

Joseph was well informed and knowledgeable on my heating unit. Helped me secure a discount on the additional parts needed . They were communicative and were prompt with scheduling.

Holly Frances Balsley Berlin

Harvey and Zamuel did a fantastic job installing a new furnace for me. They came on a Sunday morning (after my old system started failing on a very cold Saturday). I’m a loyal oasis customer!

Patrick McCann

Joseph was fantastic. Super knowledgeable straight shooter who fixed my heating problem immediately - literally knew instantly upon looking what was wrong. Gave me all the information with no sales pressure for the life of my unit going forward. When it comes time to replace, I will certainly go with Oasis. Thank you again. Highly recommend.

Bogdan Adrian Toma

Bad business model. Their approach is: your heater's issue is so bad, it's unsolvable by just getting the one part that's faulty right now. Even if we were to get it and replace it, there might be underlying issues which we can't account for. It's better to just get a new furnace, and if you don't have the money, you can address the so-and-so bank and get credit, they're good people. If we were to translate this model into auto-repair, it'd be like: we could change your tire, but what you really need is a new car. Or - translated in medicine: we could fix your husband's kidney, but how about you get a new husband altogether?

Of course the person that oversaw my furnace this morning was like a witch doctor. Didn't even take the screen off, just turned on the thermostat and listened, then went: "oh, it's so bad it's crazy, the blower motor's gone" and hurried to send me an email estimate of the products they're selling and installing. When all this is happening so quickly, you just know something's wrong. What's wrong is that you brought in and accepted a charge from someone who had no intention of doing any work in the first place, plus they had a ready-made reason to explain your furnace's deficiency without even looking at it. That, in my book, is a scam. It's like paying to bring a store vendor into your house and having them tell you: well, I don't know how to fix this, but we definitely have a replacement in the store. How one can call this "providing a service" is beyond me.

So the firm representative collected a $165 service fee for no service, and to prevent any arguing that there's no service, took the lid off and inserted the screwdriver into the inducer motor to show that it's not rotating. I ended up bringing someone else in, and luckily that person wanted to actually work and get paid for the work, so he replaced the faulty part (which was NOT the blower motor). In a nutshell, my belief about Oasis is that it's filled with people who can only do whole unit replacements rather than actual service. So, next to overpricing, you've got lesser qualifications and false advertising. In an idiomatic sentence, here goes my two cents and 165 bucks.

P.S I won't dispute the demeanor of the representative, he was very courteous and explanatory, except not related to the issue at hand, but merely to the matter of selling a product. I've got no way to verify this, but I bet some of the positive reviews present here were written in exchange for some sort of a discount.

David Lennie

Update: Used Oasis a second time for a completely different problem, and they were equally as excellent as the first time. On time, great communication, thorough, experts in anything HVAC-related. This time, we’d discovered that our developer botched the install of our whole-house humidifier, and Oasis saved the day by properly installing a new one only a couple of days after first discovering the problem. Our days of brutally cracked skin and loose floor boards are now behind us! Thanks again, Oasis team!

When we turned on our central air this season, it didn’t seem to be working at all — it would say it was running but either the air coming out wasn’t cooled or there wasn’t any air coming out at all.

We subscribe to competing company’s monthly maintenance program for our HVAC and plumbing, and they’d tested and passed our unit only a month earlier. I had them come back and they diagnosed the problem as a likely refrigerant leak — they explained how they’d go about fixing it and the cost to repair but highly encouraged us instead to buy a whole new system from them — repair cost ~$2500, replacement cost <$10000!

I decided to get a second quote and found Oasis. I liked that they specialize in heating/cooling, and their refrigerant leak repair process sounded much more thorough and was quoted for about the same as the other company. So I went with Oasis because they gave me more confidence that they could fully fix the problem.

They were available within days. The morning of the service, they called to say that they’d had a bunch of their technicians call in sick so they’d be 2 hours later, which was fine — I was just happy that they gave me the heads up so early in the day. They arrived on time at the later time and spent 2 hours testing, locating, and repairing the refrigerant leak. They were incredibly professional and thorough and our HVAC is back to 100% working order. As an added bonus, they gave us a discount because they’d had to arrive 2 hours later than originally planned!

Excellent service and communication across the board. They deserve all of their 5-star reviews!

Response from the owner:Thank you so much, David! We know your appointment did not go as smoothly as we would have liked, because when it rains, it pours, but you were so understanding and we appreciate it so incredibly much! Thank you for the amazing review, and we hope to come help maintain your system next year. And right on time, too!

Erin W

Unfortunately we had a terrible experience with them. While the technicians were friendly, they did not fix our issue, 3 days and a dangerous gas leak later, we finally had our heat back. In between this mess the owner didn’t even return our calls and no apology when we had to take our kids out of the house for the night. It was during the bitter cold weekend and had to buy space heaters, and then were charged a huge amount for their mistake. I would not recommend if you have an older boiler or unit. I think the lack of experience showed.

Response from the owner:You must be kidding me.
Totally disagree with your statement.
We tried to help you saving your old boiler with minimum charge.
We lost money on this call, but it wasn’t about money.
It was brutally cold and our job is to help people in those situations.
It’s not lack of experience.Its lack of trying to fix something old..We were responding on every your call and making sure that the boiler is fixed.
We came on Sunday and next day after hours in attempt to fix it.You were informed on Sunday that we don’t have that part and the stores are closed .
We never intended to let you down.
Thank you for one star review .
It’s time to replace that boiler.

Richard Anderson

2 months ago

Joseph was great.

Brian Oleszczuk

I would like to thank the team at Oasis for bringing warmth back into our home. Our boiler of over 40 years finally decided to conk out, and the crew of Danny, Villy, Baba, and Mikey stepped in with outstanding professionalism. They removed the old unit, installed the new one with care and efficiency, and treated our home with real respect throughout the process. We’re grateful not only for the heat they restored, but for the kindness and skill they showed from start to finish.

Kaila Gilbert Zimmerman

OH MY GOD! Amazing experience with Oasis!!! Mark & Danny came out to fix a persistent heat issue we were having with heat not getting to the second floor of our unit; we figured it was just an old model and time for a new one. To our surprise, the furnace is FINE, the sensor needed to be cleaned, some things needed to be rewired, but this fixed the issue almost immediately. They were knowledgeable, provided solutions and explained everything super thoroughly to us. After they left, it was like a miracle; the heat started working again! NEEDED on these really cold days in Chicago and with a newborn at home!!

10/10 would recommend and use Oasis again.

John King

Danny and team were fantastic. I had them install two new variable speed furnaces and a zoning system. It was a little complicated of an install so did have some initial issues, but the team came back as many times as needed to ensure the system was working for us. We are now living in much more comfort than before, and at a very competitive price. We received multiple bids, but wanted to go with Oasis due to Danny's excellent ideas and explanations during the estimate walkthrough. Oasis also came in with the most competitive price so it was an easy decision. Highly recommend Danny and the rest of the Oasis team.

David Somogyi

Joseph was quick and professional

D B

Joseph was on-time, quick, and answered all of my questions while providing great service.

Caroline Eizik

Joseph was on time. The service was very thorough and professional. He was friendly and informative. The price was reasonable for the service provided.

Gerald Harris

Joseph was excellent service technician and will want him to assist us again!! 00pm

Chad Osborne

Our unit was having trouble keeping up with the sub-zero temperatures. Damir was excellent. He adjusted the airflow and recommended a different filter. Problem solved.

Elizabeth M

He didn't believe me when told him its blowing cold air. He stood there hand on the vent trying to convince us it's getting hot. It's lukewarm at best. Waste of money. $165 down the drain. That should be illegal. Didn't suggest a part replacement. Only suggested to buy a $6000 new furnace. It's short cycling that's not a broken furnace that's new parts wear and tear situation. I will never recommend Oasis to anyone.

Nancy Levin

What a great experience: replaced the hot water heater, sump pumps - going above and beyond with their care and attention to the issues I hadn't even noticed. Very easy to work with.

MatthewJN

We hit furnace trouble on one of the coldest days of the year, and Oasis still got us in the same day—on-site within two hours of my call. Naem was our technician and was fantastic: kind, quick to diagnose, and had the heat running again in under 30 minutes. They also installed our rooftop A/C and did an excellent job. We’re really grateful for the whole Oasis team and their great service. Highly recommend them to anyone in Chicagoland.

Michael Berman

I know I can always count on Oasis when I have a problem! Joseph came out and was helpful and efficient fixing our furnace, which is more important than ever during the dead of winter! He even helped fix a closet door that helps keep the furnace shielded from my kids. Really grateful to Joseph and the entire Oasis team for another successful visit!

pawan nadkarni

Fantastic job by Fernando! On the coldest day of the year, he was able to come by within the hour and fix our furnace! Thank you!

Garrett Fenley

Joseph was quick and efficient on getting my heat back in order. He explained everything well and went above and beyond

Chiara Levato

I found Oasis through many recommendations by neighbors in our neighborhood facebook group. I’d highly recommend their service as well! Joseph was very professional and knowledgeable. He was very thorough when explaining the issue at hand and made it clear what should be done to address it. We will be using Oasis for our next service for sure! Thank you!

Andria Hernandez

Joseph did a great job servicing my furnace and explaining how everything works. He was timely, efficient, and clean. 10/10 would recommend!

Heather Cuff

Thankful that Joseph was able to come out so promptly and ensure all was working well with our system. It was just the reassurance we needed going into this cold spell!

Robert Milchling

Joseph and Michael and team did a great job replacing my furnace. Very professional and cleaned up well after

Robert Mays

Our heat stopped working on a day where the wind chill was below zero. I called, and the company sent someone out within the hour. Our technician Fernando was efficient, transparent, and fixed our issue very quickly for a reasonable cost. We've had very good experiences with Oasis across the board.

Robert Leung

Great and fast service. Got our new heater working during the freezing cold weather.

Nic Meyer

Excellent, fast service by Fernando on a bitter cold Sunday. He addressed our issue quickly and charged us the fee he stated on the phone, which was one of the better prices we found. Will be calling them again.

Joanna Clark

Our heat went out mid winter. Oasis sent someone out to diagnose the problem and replace the furnace the very next day. Everyone from their team was super kind and helpful. Fernando and Joseph did the install. They were fast, friendly, and explained everything to me to make sure I knew what was going on.

James Hughes

Great experience with Oasis. When my furnace stopped working they were able to have someone (Danny) come out the next day. Danny explained everything very well and gave me estimates to replace the broken inducer motor and to to replace the whole furnace. I appreciated that he wasn't pushy in any direction but gave me his honest take.

I had initially decided to replace the whole system, but then changed my mind and decided just to replace the part. When I called the office and asked if it was okay to change the plan, Chris was very understanding of my situation and I did not get a hard time about it. I really appreciated that.

Joseph came out the next day to replace the motor, and like Danny did a great job of explaining things and seemed very honest.

Overall every interaction I had with Oasis personnel was very positive and I felt like I was getting honest expertise. They were all very kind as well.

Drew Kidder

We had our HVAC control board die on us in the middle of January. Oasis was incredibly responsive. They gave us a fair price with quality products. Fernando, Michael and Joseph did the install in a day, with excellent communication and attention to detail. We’ve used Oasis in the past and will continue to use them in the future. Just a top notch level of service.

Response from the owner:Drew,
Thank you for your review.
Oasis team.

Joseph Discipio

Joseph was honest and quick. Thank you!

Brandon Jordan

Joseph, Damir, and Amir did an amazing job. The staff was on time knowledgeable and completed the full furnace replacement in 4.5 hours. They told me all about the unit and explain everything i needed to know. Will definitely use them in the future.

Sydney Dusel

Tech and installation members were friendly, knowledgeable, and efficient. The company is extremely easy to reach / provides fair pricing. Our heat went out on 12/30 and someone was out here the next morning on New Years Eve to check it out. Highly recommend for maintenance and repairs!

Jon Heise

Joseph did a great job. Knowledgeable and fast!

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