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AC Service, Heating Repair, Heating Service, Furnace Repair & Plumber Chicago, IL, Skokie, IL, Elmhurst, IL, Lombard, IL, Addison, IL & Wilmette, IL

AC Service in Chicago, IL | Heating Service Skokie, IL | AC Repair Elmhurst, IL

Heating Repair ∴ Furnace Repair ∴ HVAC Repair ∴ AC Repair ∴ Heating Service ∴ Skokie, IL ∴ Northlake, IL ∴ Addison, IL

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.

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Featured Five-Star

Customer Reviews

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 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 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.

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.

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 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.

Excellent

Oasis Heating and Cooling4.9

Based on 1368 reviews

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Regan Christopoulos

10 hours ago

Oasis is fantastic- they are so responsive and always do a great job. We have used them for almost 20 years at our homes in the city and the suburbs

David Allen

14 hours ago

My technician (Joseph) provided great service of my furnace/air conditioner. Not only did he service the unit and explain what he was doing, but he also explained why my purchase of this system was superior to conventional AC units. Highly recommend!

Response from the owner:Thanks so much for sharing your experience with Oasis. The Oasis team is thrilled to hear you are satisfied with our services and we look forward to keeping you a happy customer! Sincerely, Your Oasis Team

P Dawson

1 day ago

Oasis is now my go to for HVAC service. They provided an honest assessment of my issues (no attempt to upsell), and did quality work for a good price.

Ryan Ford

1 day ago

Incredible work by the Oasis team on our water heater and AC unit replacement. We found ourselves with an aggressive leak from an old AC unit and coil. We were without AC in the heat of August while hosting guests with young children. Hani was out immediately to get us an assessment and estimate. We were even able to schedule additional work we had been planning to save time/money. The very next morning Michael, Serge, and Nick were able to replace our rooftop AC unit, completely gut, replace, and rebuild our coil casing, and install a brand new water heater. Incredible work, very thorough explanations of work done, and thoughtful accommodations for young children and sleeping babies. Can’t recommend enough. The kids weekend was saved, thanks Oasis!!

Jason Yedlinski

1 day ago

Chris the English Plumber saved the day! Our tankless hot water heater got flooded from severe storms while we were out of town and was not working. We coordinated the appointment remotely, Chris disassembled and repaired the unit, and it was back up and running … on a holiday!

Tinu Bischof

1 day ago

Excellent service

Response from the owner:Thank you, Tinu! We're glad you enjoyed the excellent service. Your feedback means a lot to us!

Aimee Scheppke

1 day ago

On time. Realistic feedback from an efficient and knowledgeable technician. Can't ask for much more!

Response from the owner:Thank you, Aimee! We appreciate your kind words about our technician's efficiency and expertise. Your satisfaction means a lot to us!

Don Skwarlo

1 day ago

Always friendly and knowledgeable. We’ve been using them for 12 years and I completely trust their work. Joseph just stopped by and did an amazing job servicing our A/C units. Very nice, thorough and professional

Response from the owner:Dear Don, thank you for letting us and the community know about your fantastic experience with us! We hope to see you again soon.

Kristin Rogers

2 days ago

Prompt helpful service at a fair price. Friendly and knowledgeable technician.

Response from the owner:Thank you, Kristin! We're glad to hear you had a positive experience with our service and found our technician friendly and knowledgeable. Your feedback is greatly appreciated!

Leonard Hatcher

2 days ago

Oasis responded very quickly and arrived on time early the next day with a same day installation of our air conditioner. You can't ask from r more during the month of August.

Response from the owner:Thank you, Leonard! We're glad to hear that you had a quick and timely installation of your air conditioner. Your satisfaction during the hot month of August means a lot to us!

AthleticAF - Jeremy Aniciete

2 days ago

Oasis heating and cooling, Anel & Vaha were very thorough, efficient, and made sure everything was working correctly. They explained on what they did and provided great information about our new furnace. Updated: Joseph from Oasis came for an AC maintenance. I told him that the unit has been making more noises than normal. He went above and beyond to resolve the issue.

Response from the owner:Thank you for such a nice review and feedback.

Marla Ballenger

2 days ago

I have used Oasis services for about 12 years, and I have always been very happy with the quality of their work and the knowledge and professionalism of their staff. I have met the owner, Mike, who helped when my HVAC systems needed to be replaced, and I can confirm their culture of professionalism starts at the top.

Response from the owner:Thank you, Marla, for your long-term support and kind words. We're glad to hear that you've consistently enjoyed our services and appreciate the professionalism of our team, including Mike. Your feedback means a lot to us!

Michael Blackie

2 days ago

Mark was courteous and professional. He answered my questions with clear explanations.

Response from the owner:Thanks so much for rating your experience with Oasis. The Oasis team is thrilled to hear you are satisfied with our services and we look forward to keeping you a happy customer! Sincerely, Your Oasis Team

M Burnett

2 days ago

We had Oasis come out to take a second look at an older AC system, and the experience was great. They were thorough, straightforward about what they were seeing, and took the time to explain the different options without making it feel like a hard sell. I especially appreciated the conversation around replacement, sizing, and what made sense for an older Chicago home rather than just giving us a number and moving on. Very helpful and professional experience.

Response from the owner:Thank you, Mr. Burnett, for your wonderful feedback! We're glad to hear that you had a great experience with our team and appreciated the thoroughness and professionalism in addressing your AC system. Your satisfaction means a lot to us!

Rachel Reid Chadesh

2 days ago

Vaha and Anel installed my new HVAC system THIS MORNING! It took them less than 4 hours. They were quiet, efficient and effective. They treated my dog, my Mom and I with the utmost respect. Upon completion they walked me through the furnace, the condenser and my programmable thermostat. Mike got back to me right away and we were scheduled within 48 hours. Joseph was on time and thoroughly explained everything. He also explained Oasis offers extended warranty simply by scheduling tegular service checks.

Response from the owner:Thank you, Rachel! We appreciate your kind words about Vaha, Anel, and Mike. It's great to hear that you had a positive experience with the installation and that they took the time to walk you through everything. Your satisfaction means a lot to us!

Stephen Wilke

2 days ago

Always courteous and professional with excellent results and customer service.

Response from the owner:Thank you, Stephen! We appreciate your kind words about our courteous and professional service. It's great to hear that you are satisfied with the results.

Kevin Sweeney

2 days ago

Tech was professional and courteous. On time and good communication. He answered all my questions and gave me an honest assessment of the work performed as well as things to monitor ahead of the next system maintenance check

Response from the owner:Thank you, Kevin, for your kind words! We're glad to hear that our tech provided professional and courteous service, and that you found the communication helpful. Your satisfaction is important to us!

Sally Weiner

3 days ago

Fantastic promp professional thorough and what more possibly could I say. I love this company and my service guy Chris was the best!

Response from the owner:Thank you, Sally, for your feedback! We appreciate your support and look forward to serving you again.

Pete Bermudez

3 days ago

Oasis was able to diagnose and fix our central AC this summer after another company told us it was just too hot out and our system was old and why it wasn’t cooling well enough.- it was functioning properly. It was not but now it is! Thanks Oasis!

Response from the owner:Thank you, Pete! We're glad Oasis was able to get your central AC running properly. Your satisfaction means a lot to us!

Marc Sargis

3 days ago

Fast, efficient and competent service

Response from the owner:Marc, we appreciate your business and value your feedback. If there is anything else we can do for you, please let us know!

Elizabeth Khorana

3 days ago

They are very professional, honest and easy to schedule.

Response from the owner:Thank you, Elizabeth! We're glad to hear you found us professional and easy to work with. Your support means a lot to us.

Patrick Stapleton

4 days ago

Amer and Steve were awesome with taking care of a new bidet installation!

Response from the owner:Thank you, Patrick! We appreciate your kind words about Joseph's maintenance work. Your feedback means a lot to us!

Matt Mayes

4 days ago

Amer and Steve got my old water heater up and running again, with some good advise on what was wrong, what they did to help get it working, a reality check on repair vs new, and a no-pressure quote for a new heater if/when that is necessary. Recommended.

Response from the owner:Thank you, Matt! We're glad to hear that Amer and Steve provided you with helpful advice and excellent service for your water heater. Your recommendation means a lot to us!

Kelly Dindial

5 days ago

Amer and Steve with Oasis were prompt, transparent and incredibly kind. They kept me informed about what they were doing, when they identified the issue they provided a quote for repair but did not pressure me to have it fixed immediately. I feel like they were honest and I recommend.

Response from the owner:Thank you, Kelly, for your wonderful feedback! We're glad to hear that Amer and Steve provided you with prompt and transparent service. Your recommendation means a lot to us!

Randee Becker

5 days ago

great service.....they know what they are doing....... Highly recommended

Response from the owner:Thank you, Randee! We appreciate your kind words and are glad to hear you had a great experience. Your recommendation means a lot to us!

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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.

Offer expires August 31, 2026

$99 Drain Clearing

Restore Proper Flow With Expert Drain Service.

Drain clearing offer valid for one residential drain. Additional charges may apply for main line stoppages, difficult access, multiple drains, or additional services. Repairs not included. Cannot be combined with other offers.

Offer expires August 31, 2026

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