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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

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.

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.

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.

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 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.
Maria Hassan
14 hours ago
Response from the owner:Thank you, Maria, for taking the time to leave a review. We appreciate your support!
Jayant Trewn
19 hours ago
Response from the owner:Thank you, Jayant, for taking the time to leave a review. We appreciate your feedback!
Shana Falk
2 days ago
Oasis installed our furnace and AC and has handled all the maintenance over the 5-6 years we’ve had them. We’ve been happy with them every time. I would definitely recommend them to others.
Response from the owner:Thank you, Shana! We're so glad to hear that you've been happy with our furnace and AC services over the years. Your recommendation means a lot to us!
Melissa Driza
2 days ago
My neighbor used them to install a new HVAC and had a great experience and recommended. I just needed a routine maintenance and live out of state and rent my condo out so was not going to be there and had my tenant just move out. Scheduling was a breeze and the tech showed up when they were supposed to and made a detailed report with photos that they emailed me and he called to give me a rundown as well. Fair pricing too!!
Response from the owner:Thank you, Melissa! We're glad to hear about your positive experience with our scheduling and service. It's great that your neighbor recommended us, and we appreciate your trust in us for your maintenance needs. If you need anything else, feel free to reach out!
Robert Todd
2 days ago
Response from the owner:Thank you, Robert, for taking the time to leave a review. We appreciate your support!
Cambridge House
3 days ago
Oasis (and my tech Dan) are highly profession and FAST. Communication and work is thorough but timely and given the correct amount of urgency. I have an older furnace and after routine maintenance, was shown with visuals a crack in the head exchange with a recommendation within the hour to fix it - not just verbal and the assumption i should trust what is being said - facts. Highly recommend.
Response from the owner:Thank you, Cambridge! We appreciate your kind words about our team's professionalism and the thorough communication provided by Dan. It's great to hear that you found our service timely and effective. Your recommendation means a lot to us!
eric George
4 days ago
Definitely recommend this company. Prices Was affordable. Customer service was great
Response from the owner:Thank you, Eric! We're glad to hear you found our prices affordable and our customer service to your liking. We truly appreciate your recommendation!
Sharon OBrien
5 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!
I have already recommended them. So professional, respectful, responsive
Response from the owner:Thank you, Jennifer! We appreciate your recommendation and are glad to hear you found our team professional, respectful, and responsive. Your support means a lot to us!
Gloria Sagen
5 days ago
Mike arrived early which was awesome. He was professional and explained what he found during his inspection. The furnace looked new when he finished. We discussed the age of the furnace and the price and advantages of a new unit. He also checked my intake filter. I had installed it wrong!
Response from the owner:Thank you, Gloria! We're glad to hear that Mike provided such a professional and thorough inspection. It's great that he helped you with the furnace and intake filter. We appreciate your feedback!
vandelisle
5 days ago
Our forth time using Oasis and I could not be happier. GREAT service and reasonably priced. The technician, Mark, was friendly, very professional and helpful. So happy I found Oasis! HIGHLY RECOMMENDED!
Response from the owner:Thank you, Vandelisle, for your wonderful feedback! We're so glad to hear that you had a great experience with Naem and appreciate your recommendation. Your satisfaction means a lot to us!
Hope Springs
6 days ago
Great work by Michael and Nick to replace my water heater in a tight space. Michael thoroughly explained each step, answered all questions clearly, and seemed genuinely concerned about providing excellent service. They cleaned up the space very nicely, too.
Response from the owner:Thank you, Hope! We're glad to hear that Michael and Nick provided excellent service and took the time to ensure everything was clear for you. Your satisfaction means a lot to us, and we appreciate your kind words!
Great experience with Steve and Amer, Oasis plumbers!! I’ve had several plumbing repair projects in the past few months, and Steve and Amer did a really fantastic job with each project. I highly recommend these guys. In addition to being very knowledgeable and professional, they are very honest and they don’t try to upsell. They do excellent work at a reasonable price and they have a really good understanding of the specific plumbing challenges in older buildings like mine. They also happen to be really nice guys in general. They explain everything clearly and patiently without being condescending in any way. I’m very pleased with their work and the excellent customer service I’ve received from Oasis in general. They are definitely my go-to plumbers and I highly recommend them!
Response from the owner:Thank you, Celeste! We're glad to hear that Chris made such a positive impression. Your recommendation means a lot to us and we look forward to working with you again in the future!
Rachel Krug
6 days ago
Joseph was great! Very thorough and explained everything clearly.
Response from the owner:Thank you, Rachel! We're glad to hear that Joseph provided thorough and clear explanations. Your feedback means a lot to us!
Miriam Pickus
7 days ago
He was right on time and he explained what he found. He even ran back to the office hoping to get a replacement part right then.
Response from the owner:Thank you, Miriam! We appreciate your kind words and are glad to hear that our team member was prompt and helpful in addressing your needs. Your satisfaction means a lot to us!
Claire OC
1 week ago
Oasis is the best. Me and my family have been using them for decades. Always prompt, always knowledgeable and efficient.
Response from the owner:Thank you, Claire! We truly appreciate your loyalty over the years and are glad to hear that you and your family have had such positive experiences with us. Your kind words inspire us to continue providing prompt and knowledgeable service.
Zafnah Ahmed
1 week ago
Such a good experience!
Response from the owner:Thank you, Zafnah! We're so glad to hear you had such a good experience. Your feedback means a lot to us!
Oasis installed a new A/C in our condo and we had a great experience from start to finish. The owner, Mike, came out to provide a cost estimate and was very knowledgeable. I appreciated that Mike recommended a specific A/C solution for our needs, whereas other companies we engaged presented multiple product options with no explanation of the differences. Fernando, Serge and Joe handled the installation and were total pros— punctual, communicative, efficient and tidy. They encountered a setback with the crane and got it handled fast, calling a 2nd crane out to the building in no time. They also identified a problematic piece of piping from a previous install and fixed it on the spot. I’ll definitely be using Oasis for future HVAC needs.
Response from the owner:Thank you, Crystal, for sharing your wonderful experience with us! We're glad to hear that Mike was able to provide you with the right A/C solution and that Fernando, Serge, and Joe delivered a professional installation. We appreciate your trust and look forward to assisting you with any future HVAC needs!
Luke Frankart
1 week ago
Joseph did an excellent job, arrived right on time and was very efficient, courteous and professional.
Response from the owner:Thank you, Luke! We're glad to hear that Joseph provided excellent service and made a positive impression with his professionalism and efficiency. Your feedback is greatly appreciated!
Lorenz Boehm
1 week ago
Service person was very civil. He stayed in touch with his office to make sure of what the office wanted him to do. Very professional.
Response from the owner:Thank you, Lorenz, for your kind words about our service. We're glad to hear that you found the professionalism and communication helpful. Your feedback is greatly appreciated!
David Augustyn
2 weeks ago
Quy came out and serviced my furnace. Very honest and helpful, did a great job!
Response from the owner:Thank you, David! We're glad to hear that Quy provided honest and helpful service for your furnace. We appreciate your kind words!
Robert Baughman
2 weeks ago
Great service. Timely arrival. Explained the process and any needed adjustments.
Response from the owner:Thank you, Robert! We're glad you appreciated the great service and timely arrival. Your feedback about the process explanation means a lot to us.
Andrew Simmons
2 weeks ago
Amer and Steven were great! Super personable and efficient, they fixed an issue with the initial quote fast and then got to work. Knocked out the job in no time and made my day exponentially less stressful. Really appreciated their professionalism and expertise. 10/10, would hire again. Im also about to pull the trigger on a quote from Oasis concerning HVAC work almost entirely based off this experience. Thanks guys!
Response from the owner:Thank you, Andrew! We're glad to hear that Amer and Steven provided excellent service and made your day less stressful. Your feedback means a lot to us, and we appreciate your trust in us for your future HVAC work.
Kathie Shaw
2 weeks ago
Danny was very nice and did a great job installing our new thermostat in less than 15 minutes. The cost with Oasis was very fair. We will definitely be using them again.
Response from the owner:Thank you, Kathie! We're glad to hear that Danny provided excellent service with the thermostat installation and that you found our pricing fair. We look forward to assisting you again in the future!
Sharon Morgan
2 weeks ago
We were sent the A-team! Serge, Nick, and Michael were prompt, professional, flexible, and completed the project ahead of schedule. OASIS represents what customer satisfaction is all about.
Response from the owner:Thank you, Sharon! We're glad to hear that Serge, Nick, and Michael provided such excellent service and exceeded your expectations. Your satisfaction means a lot to us!
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