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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

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 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.

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.

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.

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.
Stephanie Gretsch
13 hours ago
Andrew Hayworth
2 days ago
Katrina Ta
2 days ago
Mike responded quickly and luckily was nearby so came over pretty fast as well. He was off the clock but still came because I wouldn’t have heat on that cold winter night if my furnace didn’t get fixed. He also explained what went wrong and gave me some tips in case a similar situation occurs in the future. Was reasonably priced as he didn’t charge for the new fuse, overtime, etc. Will definitely use Oasis again for future HVAC needs! Oct 2026: Update - Oasis continues to be my HVAC company, they also do biannual HVAC maintenance for our mid-rise building, and is the company who provides services to all our residents. Naem is usually the person who comes for services and he’s very knowledgeable, helpful, and professional. Everyone who has been here were nothing short of polite and respectful. I will be using Oasis’ services indefinitely! Thank you to such a wonderful team!
Response from the owner:Thank you, Katrina, for your wonderful review! We're glad Mike was able to assist you quickly and provide valuable insights. Your support means a lot, and we look forward to helping you with your future HVAC needs!
Zainab Osman
3 days ago
Great and clean installation
Response from the owner:Thank you, Zainab, for your kind words about the installation! We're glad to hear you found it great and clean. Your feedback means a lot to us!
Ted Devlin
3 days ago
They have replaced both my original AC and furnace over the years and kept them in tip top shape. Workers are always on time for maintenance and the few issues I had with pressure switches in my Rheem furnace. Highly recommend.
Response from the owner:Thank you, Ted! We appreciate your trust in us for your AC and furnace needs and are glad to hear about your positive experiences with our team. Your recommendation means a lot to us!
Colleen Olsen
3 days ago
Very professional and efficient
Response from the owner:Thank you, Colleen! We appreciate your kind words about our professionalism and efficiency.
MJM Moore
4 days ago
Joseph was great. On time. Super nice. Serviced everything as asked!
Response from the owner:Thank you, Mjm! We're glad to hear that Joseph provided great service and met your expectations. We appreciate your feedback!
Jonathan
4 days ago
Fernando’s installation was very thorough and efficient. I had two hvacs replaced with new furnace and air conditioning. He went above and beyond to make sure all my zoned hvac system were calling properly since there were some issues with the dampers and control panel. Joseph came out a week later to top off the coolant since the AC wasn’t strong enough. Very professional and thorough. They are a top-notch team and would gladly use them again.
Response from the owner:Thank you, Jonathan, for your wonderful review! We're glad to hear that Fernando provided thorough and efficient installation and that Joseph followed up to ensure everything was working perfectly. We appreciate your support and look forward to serving you again!
Ben Salley
5 days ago
Very knowledgeable, nice, and super helpful. Got it fixed and explained what was wrong
Response from the owner:Thank you, Ben! We're glad to hear you found our service knowledgeable and helpful. It's great to know we could fix the issue and explain everything clearly.
Andrew Rojecki
5 days ago
Prompt, efficient, and knowledgeable.
Response from the owner:Thank you, Andrew! We appreciate your kind words about our team's promptness, efficiency, and knowledge.
Mary Taylor
5 days ago
Efficient and courteous service.
Response from the owner:Thank you, Mary, for your kind words about our efficient and courteous service. We appreciate your feedback!
Win Villamora
5 days ago
Did not actually fix the problem. Recommended getting a new furnace.
Response from the owner:Thank you for your feedback, Win. I'm sorry to hear that the issue wasn't resolved and appreciate you sharing your experience. If there's anything else we can assist you with, please let us know.
Kevin Murphy
5 days 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!
Rachelle Rasich
5 days ago
Response from the owner:Thank you, Rachelle, for taking the time to leave a review. We appreciate your support!
Brad Herrmann
6 days ago
Very honest. They don't try to upsell you or charge you for things you don't need.
Response from the owner:Thank you, Brad! We appreciate your kind words and are glad to hear you value our honesty and straightforward approach.
Lucy Kaplan
6 days ago
Prompt and pleasant service. Highly recommend. 2026 Update: Just had my 20 tr old AC unit serviced by Joseph from Oasis. He was prompt and polite. He explained everything he was doing. Very happy with this company and strongly recommend them. My update for my fall service call is exactly the same as above except that he was able to come early and I was very happy to accommodate him! Excellent!
Response from the owner:Thank you so much for your business and feedback, Lucy! If any of your friends or family need help, please let them know about us!
Anna Kozlowski
6 days ago
Oasis team is professional and great to do business with. They are on time.
Response from the owner:Thank you, Anna, for your kind words about the Oasis team; we appreciate your support and are glad to hear you had a great experience with us!
A R
6 days ago
I have used Oasis once for HVAC maintenance and twice for plumbing issues. Each appointment has been a pleasant experience. The HVAC technician and plumbers have all been courteous and performed good work, and clearly explained the work done.
Response from the owner:Thank you for sharing your positive experiences with us, A! We're glad to hear that our HVAC technician and plumbers provided courteous service and clear explanations. Your support means a lot to our team!
Kent Brooks
7 days ago
Well mannered, professional, provided clearly.
Dan J
1 week ago
Worked with Joseph for some standard maintenance to our AC and Furnace. Very professional and honest, didn’t push to upsell anything but gave good recommendations.
Katie Reese
1 week ago
Joseph did a great job of looking at the system in my new home. He went through how the it is running and any concerns I have. He took the time to ensure I understood everything. Highly recommend!
Becky Kaplan
1 week ago
Professional and courteous service at a reasonable price.
Response from the owner:Thank you, Becky, for your kind words about our professional and courteous service; we appreciate your feedback!
Gregory Surber
1 week ago
We are very happy with choosing Oasis for our hvac seasonal maintenance and service. Service techs Fernando and Naem are very pleasant and thorough. We highly recommend Oasis.
Response from the owner:Thank you, Gregory, for your kind words and recommendation; we're glad to hear you had a great experience with Naem!
Ben Piper
1 week ago
Quy was extremely thorough and professional.
Response from the owner:Thank you, Ben! We appreciate your kind words about Quy and are glad to hear you had a great experience.
Response from the owner:Thank you, William, for taking the time to leave a review. We appreciate your feedback and are here to help if you have any further thoughts to share!
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