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Oasis Plumbing, Heating & Cooling Offers Seasonal Maintenance Plans

Professional Furnace Installation Services for Winnetka Homes

When temperatures plummet during harsh Illinois winters, your furnace becomes the heart of your home’s comfort system. At Oasis Plumbing, Heating & Cooling, we understand that installing a new furnace represents a significant investment in your property’s value and your family’s wellbeing. Our comprehensive furnace installation process ensures optimal performance, energy efficiency, and long-term reliability for homeowners throughout Winnetka and the surrounding areas.

The decision to replace an aging furnace or install a new system requires careful consideration of multiple factors including your home’s square footage, insulation quality, existing ductwork condition, and specific heating requirements. We begin every installation project with a thorough evaluation of your property to determine the most appropriate furnace size and configuration. This detailed assessment prevents the common problems associated with improperly sized equipment, such as short cycling, uneven heating, and excessive energy consumption.

Understanding Modern Furnace Technology and Options

Today’s furnace technology has evolved dramatically from the basic heating systems of previous decades. High-efficiency condensing furnaces now achieve Annual Fuel Utilization Efficiency ratings exceeding ninety-five percent, extracting maximum heat from every cubic foot of natural gas consumed. These advanced systems incorporate variable-speed blowers that adjust airflow based on heating demand, providing more consistent temperatures while reducing energy waste. Two-stage and modulating burners further enhance comfort by eliminating the temperature swings associated with single-stage equipment.

Our installation expertise extends across all major furnace types and brands, allowing us to match each Winnetka household with the ideal heating solution. Gas furnaces remain the most popular choice in our region due to natural gas availability and cost-effectiveness. However, we also install electric furnaces for homes without gas service and dual-fuel systems that combine a heat pump with a gas furnace for maximum efficiency across varying outdoor temperatures. Since 1997, Oasis Plumbing, Heating & Cooling & Cooling has delivered quality customer service, reliability, and expertise in heating, cooling, and ventilation to our residential and commercial clients.

The Comprehensive Installation Process

Professional furnace installation involves far more than simply swapping old equipment for new. Our certified technicians follow a meticulous multi-step process that begins with protecting your home’s interior through the use of drop cloths, floor runners, and dust barriers. We carefully remove the existing furnace while evaluating all connected components including the plenum, return air drops, supply runs, and venting systems. Any damaged or inadequate ductwork sections are repaired or replaced to ensure proper airflow distribution throughout your home.

The physical installation of your new furnace requires precise attention to manufacturer specifications and local building codes. We level the equipment platform, secure all electrical connections, properly size and install gas piping, and configure the venting system for safe exhaust removal. Modern furnaces often require modifications to existing infrastructure, such as installing dedicated electrical circuits for variable-speed motors or adding condensate drainage lines for high-efficiency models. Our highly-trained technicians, and responsive support staff, offer customized solutions to fit your budget while ensuring every installation meets or exceeds industry standards.

Essential Components of a Quality Installation

  • Load calculation analysis: We perform detailed heat loss calculations considering your home’s insulation, window efficiency, and air infiltration rates
  • Ductwork evaluation: Our team inspects and tests existing ductwork for leaks, restrictions, and proper sizing to maximize system performance
  • Safety system verification: We thoroughly test all safety controls including limit switches, flame sensors, and carbon monoxide detectors

Proper thermostat selection and placement significantly impact both comfort and efficiency. We install programmable and smart thermostats that allow precise temperature scheduling, remote access capabilities, and integration with whole-home automation systems. The thermostat location must avoid direct sunlight, drafts, and heat sources that could cause false readings and inefficient operation.

Maximizing Energy Efficiency and Performance

Energy efficiency considerations extend beyond the furnace itself to encompass the entire heating system. We seal all ductwork connections with mastic or metal-backed tape to eliminate air leakage that can waste twenty to thirty percent of heated air. Insulating ducts in unconditioned spaces like attics and crawlspaces prevents heat loss during distribution. Adding zoning systems allows different areas of your home to maintain independent temperatures, reducing energy consumption in unused spaces while maintaining comfort where needed.

Serving our customers in Chicago and the Northern Suburbs for over 20 years, we’ve witnessed firsthand how proper installation techniques dramatically impact long-term performance. A correctly sized and installed furnace typically operates more quietly, maintains more consistent temperatures, and requires fewer repairs throughout its service life. We also configure your new system for optimal humidity control, as winter heating can create uncomfortably dry indoor air without proper humidification.

Post-Installation Support and Maintenance

Following installation, we conduct comprehensive system commissioning to verify proper operation across all heating stages and safety functions. This includes measuring gas pressure, checking electrical amp draws, testing temperature rise across the heat exchanger, and adjusting blower speeds for optimal comfort and efficiency. We document all readings and provide detailed operational instructions so you understand your new system’s features and maintenance requirements.

Regular maintenance preserves your installation warranty and extends equipment lifespan significantly. We recommend annual tune-ups that include cleaning burners, inspecting heat exchangers for cracks or corrosion, replacing filters, and lubricating moving parts. Our maintenance programs provide priority service, discounted repairs, and peace of mind knowing your heating system will perform reliably when you need it most.

Making the Right Investment for Your Winnetka Home

Selecting the right furnace and ensuring professional installation protects your investment while providing years of efficient, reliable heating. Variable-speed systems offer superior comfort and humidity control but require higher initial investment. Single-stage furnaces cost less upfront but may result in higher operating expenses and less consistent temperatures. We help you evaluate total ownership costs including purchase price, installation complexity, expected energy savings, and anticipated maintenance requirements.

The timing of your furnace installation also matters. While emergency replacements sometimes prove unavoidable, planning your installation during fall months allows unhurried equipment selection and scheduling flexibility. This proactive approach often results in better pricing and ensures your heating system is fully operational before winter’s coldest days arrive. Our extensive experience throughout Winnetka’s diverse neighborhoods, from older homes near the lakefront to newer construction in western areas, enables us to anticipate and address unique installation challenges specific to your property’s architecture and mechanical systems.

Your new furnace represents one of your home’s most critical mechanical systems, directly impacting comfort, safety, and monthly utility expenses for the next fifteen to twenty years. At Oasis Plumbing, Heating & Cooling, we combine technical expertise with commitment to customer satisfaction, ensuring your furnace installation exceeds expectations while providing dependable comfort throughout countless Chicago winters ahead.

Furnace Installation in Winnetka, IL

Furnace Installation in Winnetka, IL

Furnace Installation ∴ Winnetka, 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 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 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.

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.

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 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.
Michael Janda
1 day ago
Response from the owner:Thank you, Michael, for taking the time to leave a review. Your feedback is appreciated!
Great servive
Response from the owner:Thank you, Michael, for your kind words! We're glad you enjoyed the service.
Easy to schedule the estimate. Nayim explained everything very clearly and provided various options.
Response from the owner:Thank you, Isabella! We're glad to hear that scheduling the estimate was easy and that Nayim was able to provide clear explanations and options. Your feedback is much appreciated!
Carlos Olin
3 days ago
The service was on time from the quote on through the installation! All members that arrived were very professional and courteous which made the entire process a breeze and pleasant. Joel and Serge arrived on the day of installation on time and completed the entire installation very timely and were an absolute joy to have in our home. Very professional and careful with everything they touched and did. Would highly recommend this company and team for any work necessary for any service they provide!
Response from the owner:Thank you, Carlos! We're glad to hear that the installation process was smooth and that Joel and Serge made a positive impact during their visit. Your recommendation means a lot to us!
Ravi Jhaveri
4 days ago
Response from the owner:Thank you, Ravi, for taking the time to leave a review. We appreciate your support!
ANDRZEJ KREJZA
5 days ago
Response from the owner:Thank you, Andrzej, for your review. We appreciate your feedback!
Viola Jordan
5 days ago
great service, good communication, real easy to get an appointment. The technicians are always really nice, on time, and knowledgeable.
Response from the owner:Thank you, Viola! We're glad to hear that you had a great experience with our service and that our team made the appointment process easy for you. We appreciate your kind words about our technicians!
Joseph quickly diagnosed and resolved the issue, explaining things clearly.
Response from the owner:Thank you, Michael! We're glad Joseph was able to quickly diagnose and resolve the issue for you while providing clear explanations. Your feedback is greatly appreciated!
David Seal
5 days ago
The scheduler was incredibly friendly and accommodating. Tech was above and beyond accommodating and sensitive to our needs. Thank you so much! would definitely call again.
Response from the owner:Thank you, David! We're glad to hear that our scheduler and tech made such a positive impression. We appreciate your kind words and look forward to assisting you again in the future!
Oasis is always quick to send someone out when we have issues. Thanks for being so responsive!
Response from the owner:Thank you, Elizabeth! We appreciate your kind words and are glad to hear that you find our team responsive. Your satisfaction is our priority!
Ashley Durham
6 days ago
Oasis assisted with an urgent plumbing issue in our condo. They responded quickly with availability within 24 hours, diagnosed the issue and completed the work the next day. The staff were knowledgeable and friendly.
Response from the owner:Thank you, Ashley, for your wonderful review! We're glad to hear that our team was able to assist you quickly and efficiently with your plumbing issue. It's great to know you found our staff knowledgeable and friendly. We appreciate your support!
Oasis is great - I have had them replace and service my AC unit and perform annual maintenance on my furnace as well. Very responsive and respectful technicians who help you understand any issues with your units. Will continue using them again in the future.
Response from the owner:Thank you, Brian! We're glad to hear that you had a positive experience with our technicians and appreciate your trust in us for your AC and furnace needs. We look forward to serving you again in the future!
Paul Barendt
6 days ago
Technicians were professional and friendly. Assess the job and completed the work within a couple hours.
Response from the owner:Thank you, Paul! We're glad to hear that our technicians provided professional and friendly service and completed the job efficiently. Your feedback is greatly appreciated!
Melanie Smith
6 days ago
Quick response time, clear estimates and explanations. Quality work. We have used Oasis multiple times and they are always thorough, professional, prompt, and courteous. Most recently, they came out to fix an AC unit which stopped working during a heat wave. We had company coming to town and Oasis was able to get everything working again before our guests arrived. I highly recommend Oasis!
Response from the owner:Thank you, Melanie, for your kind words! We're glad you appreciated the quick response and quality work, and we look forward to assisting you again. We're here for all of your HVAC and Plumbing needs!
Jacob Jagust
6 days ago
Response from the owner:Thank you, Jacob, for taking the time to leave a review. We appreciate your support!
I used Oasis for HVAC installation and was very happy with the experience. They have fair pricing, are responsive, and you deal with real people that are knowledgeable. One year later I’m using them for maintenance which I feel is important. They are supportive with good communication. I would highly recommend them.
Response from the owner:Thank you, Bonnie! We're so glad to hear you had a great experience with our team and appreciate your recommendation. Your satisfaction means a lot to us! We're here for all of your HVAC and Plumbing needs!
Amer and Steve did an amazing job installing my water heater tank. Their work was efficient, clean, and clearly done with care. This is exactly why I keep coming back to Oasis Heating & Cooling — I trust their service and they always deliver excellent results.🙏
Response from the owner:Thank you, Kay! We're so glad to hear that Amer and Steve provided you with efficient and careful service during your water heater installation. Your trust in Oasis Heating & Cooling means a lot to us, and we appreciate your continued support!
One of their senior technicians figured out the issue within 10 minutes of arrival, after another company spent an hour searching without success.
Response from the owner:Thank you, Erica! We're glad to hear that our senior technician was able to quickly resolve the issue for you. Your satisfaction is important to us, and we appreciate your feedback!
Scott Bendall
1 week ago
Response from the owner:Thank you, Scott, for taking the time to leave a review! Your support means a lot to us.
I've been using Oasis for my HVAC for almost 10 years now. They have been great, professional, and friendly.
Response from the owner:Thank you, Roberto, for your fantastic 5-star rating; we truly appreciate your support!
Abhi Hansoti
1 week ago
Great service and timely.
Response from the owner:Thank you, Abhi! We appreciate your kind words about our service and are glad to hear you had a timely experience.
Alex Bleiweiss
1 week ago
Joseph was extremely helpful, knowledgeable, and honest. He figured out an issue we’ve had for months, and prior services companies could not figure out. Highly recommended
Response from the owner:Thank you, Alex! We're glad to hear that Joseph was able to assist you so effectively and resolve the issue that others couldn't. Your recommendation means a lot to us!
Terry Kiely
1 week ago
I have been a happy client of Oasis for a number of years now and today’s visit from Naim was one of the best. Our AC went out on Saturday night, I posted a service request at about 8pm and Naim arrived Sunday right on time at 11:30am. He quickly diagnosed the problem and showed me the blown capacitor. Not only did Naim repair the unit quickly and cleanly, he also explained why it happened and gave me some pointers on how to improve the energy efficiency of my AC usage. Would definitely recommend and use again. Had Joseph out here today(7/14/26) for ac service…another great experience with oasis
Response from the owner:Thank you, Terry! We appreciate your loyalty and are glad to hear about your positive experience with Naim. It's great that he provided thorough explanations and tips for your AC. We're also pleased that Joseph met your expectations. Your recommendation means a lot to us!
Joseph popped over for annual maintenance. Was lovely and efficient.
Response from the owner:Thank you, Mantas! We appreciate your kind words about Joseph's efficiency during the annual maintenance. Your support means a lot to us!
Megan Wiley
1 week ago
We’ve been using Oasis for years! Hani is the best! Trustworthy and honest. Highly recommend Oasis!
Response from the owner:Thank you, Megan! We truly appreciate your loyalty and are glad to hear you have had a positive experience with Hani. Your recommendation means a lot to us!
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Offer expires July 31, 2026

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