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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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Contact Oasis Plumbing, Heating & Cooling Today!
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.

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 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 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 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 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.
Arlene Bunis
21 hours ago
I have been an Oasis customer (and fan) for over 20 years! I have only experienced the BEST service and professional care for all these years - their staff is excellent (and everyone has been there a long time so my experts keep coming back year after year). I feel known by their staff which gives me great peace of mind when they arrive to do a job…I know it will be done correctly, thoroughly, quickly, promptly and efficiently - and with a warmth and kindness that leaves me smiling. The consistency is so appreciated. I would never use anyone else!
Response from the owner:Thank you, Arlene, for being such a loyal customer for over 20 years and for your kind words about our staff and service; we truly appreciate your trust and support!
Frank Dziubak
22 hours ago
They did a great job installing my smart thermostat. I am very happy with it.
Response from the owner:Thank you, Frank! We're glad to hear you’re happy with your smart thermostat installation. Your satisfaction means a lot to us!
David Rudd
1 day ago
Absolutely fantastic and professional experience, always!
Response from the owner:Thank you so much for taking the time to leave an excellent rating for our Oasis Team!
Franck Brice
1 day ago
Service is friendly, prompt and clear. No hard sales tactics - factual assessment and right work is done and is done well.
Response from the owner:Thank you, Franck, for taking the time to leave a review. Your feedback is appreciated!
Joelle Pyle
2 days ago
Oasis was very quick to respond and help me with my issue. The technician was incredibly helpful.
ken gasper
2 days ago
Been providing by my hvac maintenance for 10+years. Always been communicative, good pricing, and their guys are the best
Response from the owner:As always, we are more than happy to help, Ken! We love our long time clients, and look forward to maintaining your unit for years to come.
Alex Mathai
2 days ago
Berina Gradjan
3 days ago
Phenomenal service!
Jill Wachholz
3 days ago
Damir is professional, calm, and provided useful information after he conducted my yearly furnace check-up. He and others from Oasis installed the unit 8 years ago. I appreciate the continuity and his vast experience.
Response from the owner:Thank you, Jill! We're glad to hear that Damir's professionalism and expertise made a positive impact during your furnace check-up. We appreciate your continued trust in our services over the years.
L Z
3 days ago
Great service! They came out quickly to replace my water heater and Steve and Amer went out of their way to fix a badly placed shutoff valve in a tight closet. I use Oasis for my HVAC too because they are willing to service the rooftop a/c.
Response from the owner:Thank you, L! We're glad to hear you were pleased with our service and that Steve and Amer were able to assist you with the shutoff valve. We appreciate your trust in Oasis for both your water heater and HVAC needs!
Allen Mary
3 days ago
Diagnosed issue yesterday, fixed today!
Response from the owner:Thank you, Allen! We're glad to hear that we could diagnose and fix the issue quickly for you. Your satisfaction means a lot to us!
Stephen Hnatow
3 days ago
Response from the owner:Thank you, Stephen, for taking the time to leave a review. We appreciate your feedback!
Susan Pachera
3 days ago
Furnace service: Mark was great- friendly and efficient. Called before my appointment window and gave me the specific time he would arrive, which I appreciated. AC service: Joseph was very friendly and efficient. He kept me updated on the work he was doing. I’ve used Oasis for years and am always impressed with their professionalism. Very reasonable prices on the HVAC services. Prior review:The work was done quickly and plumber was nice but quite expensive for a short job so I’ll go back to my previous plumber
Response from the owner:Thank you, Susan, for your feedback! We're glad to hear the work was done quickly and that you found the plumber nice, and we appreciate your honesty about the cost. We hope to still work with you for all your HVAC needs!
Adrienne Eynon
3 days ago
On time, friendly, knowledgeable, professional, honest
Response from the owner:Thank you, Adrienne! We appreciate your kind words about our team's professionalism and friendliness. Your feedback means a lot to us!
jane ramsey
4 days 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! And when we needed them again this week, they were out immediately and addressed out needs. Thank you, Oasis! Much appreciated.
Response from the owner:Thank you, Jane! We're so glad to hear that our team was able to quickly resolve your emergency and get you ready for your trip. It's great to know that Mike, Michael, and the installation team provided you with excellent service. We appreciate your trust in us for your system needs!
Friendly. Helpful. Fast. Accommodating. Would highly recommend!
Response from the owner:Thank you, Derek! We appreciate your kind words and are glad to hear you had a positive experience. Your recommendation means a lot to us!
Steve Biernacki
4 days ago
Timely arrival for service appointment and thorough furnace inspection.
Response from the owner:Thank you, Steve, for your feedback! We're glad to hear that you had a timely service appointment and a thorough furnace inspection. Your satisfaction is important to us!
Brenda Winstead
4 days ago
Great service, friendly, easy to schedule. Found a blockage in our chimney that we never would have noticed and could have been a major health concern if not addressed. Thanks!
Response from the owner:Thank you, Brenda! We're glad you found our service helpful and friendly. It's great to hear that we could catch that blockage in your chimney. Your safety is important to us!
Ruby Basra
4 days ago
Excellent tech … punctual, polite, and efficient
Response from the owner:Thank you, Ruby! We're glad to hear you had a great experience with our tech team. Your feedback about their punctuality, politeness, and efficiency is much appreciated!
Robert O'Neill
4 days ago
I teamed up with Oasis for a furnace replacement in Chicago. Their process was great. The bidding process was fair, the scheduling & install was quick and their work was high quality. I highly recommend using Oasis for your HVAC needs.
Response from the owner:Thank you, Robert! We appreciate your positive feedback and are glad to hear that you had a great experience with our team during your furnace replacement. Your recommendation means a lot to us!
Dawn Biernacki
4 days ago
Mark was great!!!! Highly recommend.
Response from the owner:Thank you, Dawn! We're so glad to hear that you had a great experience with Mark. Your recommendation means a lot to us!
J Andrews
5 days ago
Response from the owner:Thank you, J, for taking the time to leave a review! We appreciate your support.
Online booking was super easy and the technician was actually on time. He even taught me a couple of helpful tips while he was here. First time using Oasis and I would be willing to hire them again.
Response from the owner:Thank you, Mitchell! We're glad to hear that you found our online booking easy and that our technician provided helpful tips during your visit. We appreciate your willingness to hire us again and look forward to serving you in the future!
Susan Meyer
5 days ago
UPDATE REVIEW: Josh, the company manager, called, and we discussed the work done. I am receiving a new invoice with the correct tankless water heater information and labor warranty. I paid $7,000 for a new Navien tankless. It replaced my old Noritz tankless. I didn't have hot water for 5 days, so I felt compelled to get the work done (enter whining kids). Normally, I would ask a few more companies for estimates for this type of job. I feel he listened to me, but $7,000 is on the very high end, even though he said it wasn't. The 3/4 gas line was not replaced, and the condensation drains into my existing electric condenser. Alas, lesson learned: go without to get a reasonable price, and don't listen to whining kids about no hot water!! FIRST REVIEW: I'm still waiting for the owner to contact me about my tankless water heater installation.
Response from the owner:Thank you for your update, Susan. I appreciate you sharing your experience and I’m glad to hear that Josh was able to address your concerns regarding the invoice and installation. Your feedback about pricing and the installation details is valuable, and we will take it into consideration as we strive to improve. If you have any further questions or need additional assistance, feel free to reach out via text or call.
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