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Oasis Plumbing, Heating & Cooling Offers Seasonal Maintenance Plans

Professional Furnace Services for Chicago Homes and Businesses

When temperatures plummet during Chicago winters, your furnace becomes the heart of your home’s comfort system. At Oasis Plumbing, Heating & Cooling, we understand how critical reliable heating is when arctic winds sweep across Lake Michigan and temperatures drop well below freezing. Our comprehensive furnace services ensure your heating system operates efficiently throughout the harsh winter months, keeping your family warm and your energy bills manageable.

Chicago’s extreme temperature variations place unique demands on residential and commercial heating systems. The city experiences an average of 28 days per year with temperatures below 10°F, making furnace reliability non-negotiable. Our technicians encounter everything from century-old boiler systems in historic Wicker Park brownstones to state-of-the-art high-efficiency furnaces in modern Lincoln Park condominiums. This diverse experience, accumulated over more than 20 years serving Chicago and the Northern Suburbs, enables us to diagnose and repair virtually any furnace issue quickly and effectively.

Comprehensive Furnace Repair and Diagnostics

When your furnace fails on a frigid January morning, you need immediate assistance from experienced professionals. Our diagnostic process begins with a thorough system evaluation, examining critical components including the heat exchanger, blower motor, ignition system, and control board. We utilize advanced diagnostic equipment to identify issues that might not be immediately apparent, such as hairline cracks in heat exchangers or intermittent electrical problems that could lead to complete system failure.

Common furnace problems we encounter in Chicago homes include pilot light failures, thermostat malfunctions, inadequate heat distribution, and unusual noises indicating mechanical wear. Older furnaces often suffer from corroded flame sensors, worn bearings in blower motors, or deteriorating heat exchangers that pose carbon monoxide risks. Our technicians carry extensive parts inventories, allowing us to complete most repairs during the initial service visit. This approach minimizes downtime and ensures your home returns to comfortable temperatures as quickly as possible.

Energy-Efficient Furnace Installation and Replacement

Modern high-efficiency furnaces can achieve Annual Fuel Utilization Efficiency (AFUE) ratings of up to 98%, meaning nearly all fuel consumed converts directly to heat for your home. Compared to older models operating at 60-70% efficiency, upgrading your furnace can reduce heating costs by 30-40% annually. We specialize in installing variable-speed furnaces that adjust output based on heating demands, providing consistent temperatures while minimizing energy consumption.

The installation process requires careful consideration of multiple factors unique to each property. We calculate proper furnace sizing using Manual J load calculations, accounting for square footage, insulation levels, window efficiency, and Chicago’s specific climate data. Undersized units struggle to maintain comfortable temperatures during extreme cold, while oversized systems cycle frequently, creating temperature fluctuations and increased wear. Our installation team ensures proper ductwork connections, gas line configurations, and electrical requirements meet all local building codes and manufacturer specifications.

Preventive Maintenance Programs

Since 1997, Oasis Plumbing, Heating & Cooling has witnessed how regular maintenance dramatically extends furnace lifespan and prevents unexpected breakdowns. Our comprehensive maintenance programs include:

  • Complete system inspection examining all mechanical and electrical components
  • Thorough cleaning of burners, heat exchangers, and blower assemblies to maximize efficiency
  • Safety testing including carbon monoxide detection and gas leak checks
  • Filter replacement and airflow optimization to reduce strain on system components
  • Thermostat calibration ensuring accurate temperature control and programming

Regular maintenance typically reduces heating costs by 10-15% through improved efficiency and prevents approximately 95% of furnace failures. Our technicians document all findings and provide detailed recommendations for any components showing signs of wear, allowing you to plan for replacements before emergency situations arise.

Emergency Furnace Services

Chicago winters don’t wait for convenient times to create heating emergencies. Frozen pipes can burst within hours when furnaces fail, causing thousands of dollars in water damage. We maintain emergency response teams throughout Chicago, Bensenville, Addison, and Elmhurst to address urgent heating failures. Our dispatchers prioritize calls based on severity, with homes containing elderly residents, young children, or individuals with medical conditions receiving immediate attention.

Emergency situations often reveal underlying problems that homeowners might not recognize. Frequent cycling, uneven heating between rooms, or gradual efficiency decreases indicate developing issues. We educate customers about warning signs including yellow pilot flames suggesting incomplete combustion, excessive dust accumulation around vents, or unexplained increases in heating bills. Addressing these symptoms early prevents complete system failures during critical weather events.

Commercial Furnace Solutions

Commercial properties face unique heating challenges requiring specialized expertise. Restaurants need makeup air units coordinated with exhaust systems, while warehouses require strategic heat distribution across vast open spaces. Office buildings demand zone control capabilities accommodating varying occupancy patterns and heat loads from electronic equipment. Our commercial division designs custom solutions addressing these specific requirements while maximizing energy efficiency and minimizing operational disruptions.

We coordinate installations and major repairs during off-hours to avoid business interruptions. Our commercial maintenance agreements include priority service, detailed system documentation, and energy usage analysis helping facility managers optimize heating costs. Many Chicago businesses have reduced heating expenses by 25-35% through our efficiency upgrades and smart control system implementations.

Advanced Furnace Technologies and Future Considerations

The heating industry continues evolving with technologies improving comfort and efficiency. Smart thermostats now learn occupancy patterns and adjust temperatures automatically, while zoning systems deliver precise comfort control to individual rooms. Hybrid heating systems combining high-efficiency furnaces with heat pumps optimize energy usage based on outdoor temperatures and utility rates. We stay current with these advancements, offering customers the latest options for their specific needs and budgets.

Environmental considerations increasingly influence furnace selections. New refrigerants and combustion technologies reduce greenhouse gas emissions while maintaining superior performance. Many utility companies offer rebates for high-efficiency installations, which we help customers navigate to maximize savings. As Chicago moves toward stricter energy codes, we ensure all installations exceed current requirements, protecting your investment against future regulatory changes.

Choosing Oasis Plumbing, Heating & Cooling for your furnace services means partnering with professionals who understand Chicago’s unique climate challenges and have the experience to deliver lasting solutions. Our commitment to quality customer service, reliability, and technical expertise has earned the trust of residential and commercial clients throughout the region. Whether you need emergency repairs, routine maintenance, or complete system replacement, our highly-trained technicians provide customized solutions fitting your specific requirements and budget constraints.

Furnace Services in Chicago, IL

Furnace Services in Chicago, IL

Furnace Services ∴ 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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Featured Five-Star
Customer Reviews

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.

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 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.

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.

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.

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.
Rana Abraham
1 day ago
Always outstanding and reliable.
Response from the owner:Thank you, Rana, for your kind words; we truly appreciate your support. Thank you for choosing us again and again!
Joseph came, explained everything I could've needed to know, showed me pictures of the clog, cleaned it out, couldn't have been easier. This is the furnace they installed 10 years ago, we haven't had any issues in 10 years, and this would have been prevented of we got regular services! Happy to support this local company and they do great work. Summer '26 update. Fernando and Joel installed a new AC unit as ours was over 20 years old and started making lots of me noises. Reasonable price, quick service, the unit has been working great for a few months now.
Response from the owner:Thank you, John! We're glad to hear that Joseph provided you with such thorough service and that your furnace has been performing well for a decade. We appreciate your support of our local business and look forward to continuing to serve you!
Heather Dennis
2 days ago
Easy scheduling and competitive pricing. The technician was knowledgeable and on time
Response from the owner:Thank you, Heather! We're glad to hear you found scheduling easy and appreciated our competitive pricing. It's great to know our technician made a positive impression with their knowledge and punctuality.
Chuck Adams
2 days ago
Joseph, the technician, was on time, efficient and friendly. Highly recommend.
Response from the owner:Thank you, Chuck! We appreciate your recommendation and are glad to hear that Joseph provided timely and friendly service.
Steven Meier
3 days ago
The Oasis team is super responsive and their expertise in ductless/heat pump systems was critical. They remedied errors in our original installation (done by our former general contractor) and now our heat pump system is working great.
Response from the owner:Thank you, Steven! We're glad to hear that the Oasis team was able to assist you and resolve the issues with your heat pump system. Your satisfaction means a lot to us!
M D
4 days 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!
Jodi Slaght
4 days ago
Oasis is very helpful and quickly responds to issues. I appreciate their fair and honest approach - they will tell us when problems are associated with systems that they install/repair and when they are not. I greatly appreciate the candor.
Response from the owner:Thank you, Jodi, for your kind words and for highlighting our team's commitment to professionalism and responsiveness; we’re glad we could assist you with your water heater and A/C and we're here for all your HVAC and plumbing needs!
Erin Dziubski
5 days ago
I gathered quotes from two other area HVAC companies for an a/c install. Feeling frustrated and let down with our uncertainty of how necessary this was, we saw an Oasis truck pull up beside us on our drive home. I looked them up and they had great reviews so we scheduled an appointment with them. Eb did the assessment and said he had been working with the company for over a decade, came and diagnosed our issue (same as the two others/best option for our old system was a replacement). He explained what was going on better than anyone else and answered all my questions. Install was done today! Thanks guys! Honest & dependable work!
Response from the owner:Thank you, Erin! We're glad you found us and had a positive experience with Eb's assessment and installation. Your feedback about our honest and dependable work means a lot to us!
Linda Y
5 days ago
The tech was on time, very polite and gave us the honest truth on our ancient AC unit. He seemed very knowledgeable and patient with all our questions. Scheduling was a breeze too over the weekend. Highly recommend
Response from the owner:Thank you, Linda! We're glad to hear that the technician was punctual, polite, and able to provide you with valuable insights about your AC unit. It's great to know that scheduling was easy for you as well. We appreciate your recommendation!
Mark Machado
5 days ago
Response from the owner:Thank you, Mark, for taking the time to leave a review. We appreciate your support!
Rosa Jung
6 days ago
The tech came in on time and worked quickly. The follow-up instruction was clear and we will definitely use Oasis again!
Response from the owner:Thank you, Rosa! We're glad to hear that the tech was prompt and provided clear instructions. We look forward to serving you again at Oasis!
Tom Quintero
1 week ago
Called to fix a common evaporator drain issue. The tech seemed to do an adequate job however the water from the evaporator continued to drain inside my house. Called again, another tech came and he said I was good to go. Still I had water leaking in my house. Called another company and this time the tech did a fantastic job. Actually fixed the problem! Guess which company I’m using to replace my entire system?
Response from the owner:Hi Tom, we’ve searched our records but haven't been able to match your review to a customer in our system. We take feedback seriously and would love the opportunity to learn more about your experience and see how we can make things right. Please give our office a call directly at (773) 320-5395 at your earliest convenience.
Nick Ferguson
1 week ago
Master plumber Steve was extremely knowledgeable, skilled and friendly. He went the extra mile on my service call to troubleshoot and make sure my new shower trim handle was installed. He left the place looking better than before and explained everything to me in detail so I could understand my shower plumbing better. I also had a good experience talking with the support team and GM Josh.
Response from the owner:Thank you, Nick! We appreciate your kind words about Steve's expertise and the extra effort he put in during your service call. We're glad to hear you had a positive experience with the support team and Josh as well. Your satisfaction means a lot to us!
Pedro Gomez
1 week ago
Not the best estimate, pricy for one stage AC installation, the guy who came is nice but still charged for 120$ supposedly for tune up or cleaning but what happened is installation estimate which is just free for other companies.
Response from the owner:Hi Pedro, our team left you a voicemail earlier regarding your service. Since the maintenance was not performed, a full refund is being processed for you. Thank you for letting us know so we could get this corrected.
Chun liu
1 week ago
Great service. No hustle. Signed up for the regular service.
Response from the owner:Thank you, Chun! We're glad to hear you had a great experience with our service and appreciate your decision to sign up for the regular service.
Oasis was really professional and friendly. They came by for maintenance on our AC units and immediately realized we were low on coolant. They topped us up and didn’t charge for the full amount they used. And their member program is a great deal. You get a discount on maintenance by signing up for reminders, no annual or monthly fee. You get a benefit for something you should probably have anyway, reminders for annual servicing. Will definitely use again!
Response from the owner:Thank you, Philip! We appreciate your kind words about our professionalism and friendliness. It’s great to hear that you found value in our member program and enjoyed the service. We look forward to assisting you again!
Mary Montgomery
2 weeks ago
Very friendly and helpful arriving on time. Explained the problem with the AC unit and detailed the process for repair. They will send us an estimate, and we shall proceed from there. Thank you!
Response from the owner:Thank you, Mary! We're glad to hear that you found our team friendly and helpful. We appreciate your patience and look forward to getting your AC unit sorted out.
Joanna Donohue
2 weeks ago
I just had Oasis for HVAC maintenance. They are very professional, answer the phones, great office staff, on time, service man was knowledgeable & he had an assistant. They are reasonable priced. They service quick a few condo units in our building.
Response from the owner:Thank you, Joanna, for your kind words and for trusting us with your HVAC and plumbing needs; we appreciate your recommendation and are glad Chris provided you with prompt and exemplary service.
Joseph, Anel and team did a great job with our HVAC system install. Professional, courteous and friendly. Would recommend!
Response from the owner:Thank you, Lincoln! We're glad to hear that Joseph, Anel, and the team provided you with a professional and friendly experience during your HVAC installation. We appreciate your recommendation!
Jack Peterson
2 weeks ago
Oasis installed a new furnace and AC for us, and were great throughout the process. Mike came out same-day to do an inspection and give us an estimate, and Fernando and Nayim came out the next day and did the install in a very efficient manner, talking us through the process as they went. We are very satisfied with the level of service they provided.
Response from the owner:Thank you, Jack! We're glad to hear that you had a great experience with our team, and we appreciate your kind words about Mike, Fernando, and Nayim. Your satisfaction means a lot to us!
Cassandra Hatto
2 weeks ago
Timely, professional and trustworthy!
Response from the owner:Thank you, Cassandra! We appreciate your kind words and are glad you found our service timely, professional, and trustworthy.
Neel M.
2 weeks ago
Oasis came out for routine maintenance. They were on time, did a great quick job and made good recommendations on replacements needed for my older furnaces.
Response from the owner:Thank you, Neel! We appreciate your feedback and are glad to hear that our team provided timely service and helpful recommendations for your furnaces.
Easy communication. Got here lickity split. Honest assessment of issue at hand.
Response from the owner:Thank you, Samantha! We're glad to hear that you appreciated the easy communication and prompt service. Your feedback on our honest assessment means a lot to us.
Michael Janda
2 weeks ago
Response from the owner:Thank you, Michael, for taking the time to leave a review. Your feedback is appreciated!
Michael Keutmann
2 weeks ago
Great servive
Response from the owner:Thank you, Michael, for your kind words! We're glad you enjoyed the service.
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