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Oasis Plumbing, Heating & Cooling Offers Seasonal Maintenance Plans

Professional AC Repair Services for Chicago Homes and Businesses

When your air conditioning system breaks down during a sweltering Chicago summer, you need immediate relief. At Oasis Plumbing, Heating & Cooling, we understand the urgency of AC repair situations and respond quickly to restore comfort to your home or business. Our experienced technicians arrive equipped with advanced diagnostic tools and a comprehensive inventory of replacement parts to handle most repairs in a single visit. We’ve been serving Chicago and the Northern Suburbs for over 20 years, building our reputation on prompt, reliable service that gets your cooling system running efficiently again.

Chicago’s humid continental climate creates unique challenges for air conditioning systems. The dramatic temperature swings, high humidity levels, and occasional severe weather put significant stress on AC units throughout the cooling season. Our technicians are specifically trained to address the common issues that plague air conditioners in our region, from frozen evaporator coils caused by restricted airflow to compressor failures resulting from electrical surges during thunderstorms. We diagnose problems accurately the first time, saving you money on unnecessary repairs while ensuring your system operates at peak performance.

Common AC Problems We Repair

Air conditioning systems consist of numerous components working together to cool and dehumidify your indoor space. When one component fails, it often affects the entire system’s performance. We frequently repair refrigerant leaks, which not only reduce cooling capacity but also increase energy consumption and utility bills. Our technicians use electronic leak detectors and UV dye testing to pinpoint even the smallest leaks in refrigerant lines, evaporator coils, and condensing units. After repairing the leak, we evacuate the system, test for proper vacuum hold, and recharge with the exact amount of refrigerant specified by the manufacturer.

Electrical issues represent another category of common AC repairs we handle daily. From failed capacitors that prevent motors from starting to worn contactors that cause intermittent operation, electrical problems can manifest in various ways. We systematically test each electrical component using professional-grade multimeters and specialized testing equipment. Faulty thermostats, broken fan motors, and malfunctioning control boards all fall within our repair expertise. Since 1997, we’ve maintained our commitment to quality customer service by thoroughly explaining each repair and providing transparent pricing before beginning any work.

Our Comprehensive Repair Process

Every AC repair service begins with a thorough system evaluation. We inspect both indoor and outdoor components, checking refrigerant pressures, measuring temperature differentials, testing electrical connections, and examining mechanical parts for wear or damage. This comprehensive approach helps us identify not only the immediate problem but also potential issues that could cause future breakdowns. Our technicians document their findings and discuss repair options with you, including cost comparisons between repairs and replacement when appropriate.

Following diagnosis, we perform repairs using industry-best practices and high-quality replacement parts. We maintain relationships with major manufacturers, ensuring access to OEM components that match your system’s specifications exactly. Whether replacing a failed compressor, installing a new blower motor, or rebuilding a condensate pump, we complete each repair with meticulous attention to detail. Our work includes cleaning accessible components, tightening electrical connections, and verifying proper operation before considering the job complete.

Signs Your AC System Needs Professional Repair

Recognizing early warning signs of AC problems can prevent minor issues from escalating into major repairs. Unusual noises often indicate mechanical problems requiring immediate attention. Grinding sounds typically suggest bearing failure in motors, while squealing noises may indicate worn belts or misaligned pulleys. Clicking or buzzing sounds frequently point to electrical issues such as failing relays or contactors. We encourage customers to schedule service promptly when hearing any abnormal sounds from their air conditioning system.

Performance issues provide additional indicators that professional repair is necessary. If your AC runs continuously without adequately cooling your space, struggles to maintain set temperatures, or cycles on and off frequently, these symptoms suggest underlying problems requiring expert diagnosis. Increased humidity levels, uneven cooling between rooms, and sudden spikes in energy bills also warrant professional evaluation. Our technicians excel at identifying root causes rather than simply addressing symptoms, ensuring lasting solutions to your cooling problems.

Emergency AC Repair Services

We recognize that AC failures don’t follow convenient schedules. When your air conditioning stops working during a heat wave or fails unexpectedly during important events, you need responsive emergency service. Our emergency repair team stands ready to address urgent cooling issues throughout Chicago, Bensenville, Addison, and Elmhurst. We prioritize emergency calls, understanding that prolonged exposure to excessive heat poses health risks, particularly for elderly residents, young children, and those with medical conditions.

Our emergency response protocol emphasizes rapid diagnosis and efficient repairs to restore cooling as quickly as possible. Technicians arrive with fully stocked service vehicles containing common replacement parts, refrigerants, and specialized tools needed for most emergency repairs. We maintain extensive parts inventories and strong supplier relationships to source less common components quickly when needed. This preparation allows us to complete many emergency repairs during the initial service call, minimizing disruption to your daily routine.

Preventive Maintenance to Avoid Costly Repairs

  • Annual tune-ups: Professional maintenance identifies potential problems before they cause system failure
  • Filter replacement: Clean filters improve efficiency and prevent strain on system components
  • Coil cleaning: Removing dirt and debris from evaporator and condenser coils maintains optimal heat transfer
  • Refrigerant level checks: Proper refrigerant charge ensures efficient operation and prevents compressor damage
  • Electrical component testing: Regular testing catches failing parts before complete failure occurs
  • Condensate drain cleaning: Clear drains prevent water damage and maintain proper humidity control

Regular maintenance significantly extends equipment life while reducing the frequency and severity of repairs. Our maintenance programs include comprehensive inspections, cleaning, adjustments, and minor repairs to keep your system operating efficiently. We customize maintenance schedules based on equipment age, usage patterns, and manufacturer recommendations. Commercial clients particularly benefit from planned maintenance programs that minimize business disruptions and protect valuable inventory or equipment requiring climate control.

Why Choose Oasis Plumbing, Heating & Cooling for Your AC Repair Needs

Our dedication to customer satisfaction sets us apart in the competitive Chicago HVAC market. We combine technical expertise with transparent communication, ensuring you understand exactly what repairs your system needs and why. Our technicians undergo continuous training to stay current with evolving AC technology and repair techniques. This investment in education enables us to service all major brands and models, from basic residential units to complex commercial systems.

We believe in providing customized solutions that fit your budget without compromising quality. Our repair recommendations consider factors such as equipment age, repair costs versus replacement value, and your long-term comfort needs. We offer flexible financing options for major repairs, helping manage unexpected expenses while maintaining home comfort. Our responsive support staff coordinates scheduling, answers technical questions, and ensures smooth communication throughout the repair process. This comprehensive approach to customer service has earned us loyal customers throughout Chicago and surrounding communities who trust us with all their heating, cooling, and ventilation needs.

AC Repair in Chicago, IL

AC Repair in Chicago, IL

AC Repair ∴ Chicago, IL

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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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Contact Oasis Plumbing, Heating & Cooling Today!
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.

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 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.

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 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.

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.
Kevin Murphy
5 hours ago
Response from the owner:Thanks Kevin. We’re thrilled that you were satisfied with our services. Your feedback is appreciated, and we hope to be of help again soon!
jane ramsey
11 hours ago
The OASIS team was fabulous in resolving our emergency and quickly installing a needed new compressor. The compressor was damaged when other workmen were working on a separate system at our house. We were imminently leaving the country. We urgently called Oasis. Mike quickly identified a new unit, ordered it and had it installed the next day. The installation team including Michael and others were so easy to work with and did a great job. THANK YOU, OASIS! Now we can leave the country for our trip with peace of mind! We will always trust you with our system needs!
Matt Gordon
1 day ago
Response from the owner:Thank you, Matt, for taking the time to leave a review. We appreciate your support!
Kevin Lannon
1 day ago
Joseph came out. Very quick, polite professional. Made sure I understood the maintenance and charges.
Response from the owner:Thank you, Kevin! We're glad to hear that Joseph provided you with quick and professional service while ensuring you understood everything. We appreciate your feedback!
Excellent service! We have them come out every spring to check up on our AC. Update: Still excellent service. I really appreciate the prompt communication and text updates. The service tech was very professional and helped fix a leak in our ac system.
Response from the owner:Thank you so much for your business and feedback, Patrick! If any of your friends or family need help, please let them know about us!
Sharon OBrien
2 days ago
This is a highly trusted business. I've worked with them for the past 10 years and they are absolutely, hands down one of the best customer focused businesses I've come across. I had an issue with my A/C recently (during one of those 90+ degree nights) and called to leave a message for the morning.......the owner of the business Mike Causevich answered my call and walked me thru what to do to fix my system without them having to come out. I give them my highest recommendation.
Response from the owner:Thank you, Sharon, for your kind words and continued trust over the past decade; we're glad Mike could assist you during that A/C issue, and we appreciate your highest recommendation!
Knowledgeable, friendly and on time. Would definitely recommend.
Response from the owner:Thank you, Jacqueline! We appreciate your kind words and recommendation. It's great to hear you had a positive experience with our team.
Ben Matsche
2 days ago
Friendly and professional service. Quick same-day response for broken AC component and the technician was knowledgeable in sharing the diagnosis and repair actions.
Response from the owner:Thank you, Ben! We're glad you experienced friendly and professional service. It's great to hear that our technician was able to promptly address the AC issue and provide clear information. We appreciate your feedback!
Ryan Raccuia
2 days ago
Danny is a legend. Fixed a problem multiple other AC companies either couldn’t diagnose or couldn’t fix. Great tech and guy.
Response from the owner:Thanks, Ryan! We appreciate your kind words about Danny and are glad he could help resolve your issue. Your feedback means a lot to us!
Janis Sayer
3 days ago
They really did a great job. The repair people were very nice, communicative, and went above and beyond to help me understand the problem.
Response from the owner:Thank you, Janis! We're glad to hear that Danny provided excellent service and clear explanations. Your recommendation means a lot to us!
Rina Patel
3 days ago
(July ‘26) Reached out as my AC went out. Was ghosted by Craig. Understand it was a holiday weekend. But no followup even the next week. Very disappointing. (January ‘26) The nicest man came out at 7am to check out my system. And then another super nice person came out at 12:30pm, part in hand to fix my system, saving me from having to replace my furnace. Both people were kind, professional, and worked quickly. I’ll be using them again, for sure!
Response from the owner:Thank you, Rina! We appreciate your kind words about our team and are glad we could assist you promptly. We're looking forward to helping you again in the future!
Aindreela Bodde
3 days ago
Response from the owner:Thank you, Aindreela, for taking the time to leave a review! Your feedback is appreciated.
Super helpful, and provided a very detailed explanation. Danny is excellent, would happily use Oasis again
Response from the owner:Thank you, Ashley! We appreciate your kind words and are glad to hear that Danny provided you with excellent service. We look forward to welcoming you back to Oasis!
Brennan Marion
3 days ago
Steve was a pleasure to work with. He made things easy, professional, and timely. I’ll be reaching back out to Oasis for my plumbing & HVAC needs in the future.
Response from the owner:Thank you, Brennan! We're glad to hear that Steve provided you with excellent service. We look forward to assisting you with your plumbing and HVAC needs in the future!
Jess Hutchinson
3 days ago
Joseph was right on time, explained how my system was doing, and answered all my questions!
Response from the owner:Thank you, Jess! We're glad to hear that Joseph provided you with timely and informative service. Your satisfaction means a lot to us!
erin hannah
5 days ago
they scheduled for next day service and were so quick! they helped install my new thermostat and diagnosed my air conditioner all in less than an hour. also so knowledgeable and answered all my questions.
Response from the owner:Thank you, Erin! We appreciate your kind words and are glad to hear that our team was quick and helpful with your thermostat installation and air conditioner diagnosis. Your satisfaction means a lot to us!
Nathan Haynes
5 days ago
They arrived early and worked efficiently. Repairs look great.
Response from the owner:Thank you, Nathan! We appreciate your positive feedback and are glad to hear that the repairs met your expectations.
Steve Wolf
5 days ago
Fantastic service as always. Professional and timely.
Response from the owner:Thank you, Steve! We appreciate your kind words about our service and are glad to hear you found it professional and timely.
Aimée Starck
5 days ago
Oasis was responsive to our call and had Damir out to see us within two hours. He arrived with booties for his shoes (always appreciated!) and was able to diagnose and solve our AC issue quickly. We used Oasis to install a new furnace and condenser years ago and they are a provider we will continue going back to. Thank you, Damir and Oasis!
Response from the owner:Thank you, Aimée! We're glad to hear that Damir was quick to respond and able to resolve your AC issue efficiently. We appreciate your continued trust in Oasis for your heating and cooling needs!
Paul Duffy
6 days ago
Knowledgeable people. They always seem to say and do what is best for the customer - I’ve been going back to them for years.
Response from the owner:Thank you, Paul! We appreciate your loyalty and are glad to hear that our team consistently meets your needs. Your support means a lot to us!
Tushar Chandra
6 days ago
Joseph came on time, identified and fixed our AC unit (busted capacitor), and was friendly and helpful throughout. I've had consistently great experiences with Oasis and this was no exception – highly recommend!
Response from the owner:Thank you, Tushar! We're glad to hear that Joseph provided timely and helpful service with your AC unit. Your continued support and recommendation mean a lot to us!
Andrew Rice
6 days ago
Response from the owner:Thank you, Andrew, for taking the time to leave a review. We appreciate your feedback!
Joseph was kind and professional. He was on time and efficient and took his him to explain what was wrong with our AC and what the fix was. Highly recommend Oasis Heating and Cooling!
Response from the owner:Thank you, Jessica! We're glad to hear that Joseph provided you with kind and professional service. Your recommendation means a lot to us!
Emma M
7 days ago
Joseph came on a Sunday right after 4th of July And quickly fixed my AC on the hottest day of the year. Great service and on time!
Response from the owner:Thank you, Emma! We're glad Joseph could assist you on such a hot day and appreciate your kind words about his timely service.
Dan Burke
1 week ago
I was given a good overview of the issue and the best course of action to resolve the issue.
Response from the owner:Thank you, Dan! We're glad to hear you found the overview helpful and that we could assist you in resolving the issue. Your feedback is greatly appreciated!
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$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 July 31, 2026

$79 AC / Furnace Deep Clean and Tune Up

Blower wheel pull and clean. Our 90-Minute Deep Clean Helps Prevent Breakdowns And Improve Efficiency.

Offer valid for first-time residential customers only. Includes up to 90 minutes of A/C or heat pump tune-up and blower wheel pull and clean when accessible. Repairs, parts, refrigerant, and additional services not included. No Breakdown Guarantee subject to terms and conditions. Cannot be combined with other offers.

Offer expires July 31, 2026

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Maintenance Plans

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Chicago, IL