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Oasis Plumbing, Heating & Cooling Offers Seasonal Maintenance Plans

Professional Furnace Installation Services for Wilmette Homes

When winter temperatures plunge along Lake Michigan’s shoreline, your home’s heating system becomes the cornerstone of comfort and safety. At Oasis Plumbing, Heating & Cooling, we specialize in furnace installation throughout Wilmette, ensuring residents have reliable, efficient heating solutions tailored to their specific needs. Our comprehensive installation process addresses everything from initial assessment to final testing, delivering systems that perform optimally for years to come.

The unique climate challenges of Wilmette, with its proximity to Lake Michigan and exposure to harsh winter winds, demand heating systems that can maintain consistent temperatures despite extreme weather fluctuations. We understand these local conditions intimately, having served customers in Chicago and the Northern Suburbs for over 20 years. Our installation approach accounts for factors like home insulation quality, square footage, ceiling heights, and the number of heating zones required to maintain even temperatures throughout your property.

Understanding Modern Furnace Technology Options

Today’s furnace technology offers remarkable improvements over systems installed just a decade ago. High-efficiency models now achieve Annual Fuel Utilization Efficiency ratings of up to 98 percent, meaning nearly all fuel consumed converts directly to heat for your home. Variable-speed blowers adjust output based on heating demands, eliminating the constant cycling that characterizes older single-stage units. This technology reduces energy consumption while maintaining more consistent temperatures and improving indoor air quality through better filtration.

Two-stage and modulating furnaces represent the pinnacle of heating technology available to Wilmette homeowners. These systems operate at different capacity levels depending on outdoor temperatures and indoor heating requirements. During mild weather, they run at lower capacity, consuming less fuel while maintaining comfort. When temperatures drop severely, they automatically increase output to meet demand. This flexibility translates to lower utility bills, reduced wear on components, and quieter operation compared to traditional single-stage furnaces.

Our Comprehensive Installation Process

Every successful furnace installation begins with a thorough evaluation of your home’s heating requirements. We calculate heat load using Manual J methodology, considering factors including window placement, insulation levels, air infiltration rates, and occupancy patterns. This scientific approach ensures proper equipment sizing, preventing the energy waste and comfort issues associated with oversized or undersized furnaces. Our technicians examine existing ductwork for leaks, blockages, or design flaws that could compromise new system performance.

Following assessment, we present equipment options matching your specific needs and budget considerations. Since 1997, Oasis Plumbing, Heating & Cooling has delivered quality customer service, reliability, and expertise in heating, cooling, and ventilation to our residential and commercial clients. We explain efficiency ratings, warranty terms, and expected operating costs for each option, empowering you to make informed decisions. Our highly-trained technicians prepare detailed installation plans, including any necessary modifications to existing infrastructure, permit requirements, and project timelines.

Critical Installation Components and Considerations

Proper furnace installation extends far beyond simply connecting a new unit to existing ductwork. We evaluate and often upgrade several supporting components to ensure optimal system performance:

  • Thermostat placement and programming: Strategic positioning away from heat sources and drafts ensures accurate temperature readings and efficient operation
  • Ventilation system inspection: Proper venting prevents dangerous carbon monoxide accumulation while maximizing combustion efficiency
  • Electrical system verification: Confirming adequate power supply and installing appropriate safety disconnects
  • Gas line assessment: Ensuring proper sizing and pressure for optimal furnace operation
  • Condensate drainage: Installing proper drainage systems for high-efficiency furnaces that produce condensation

Energy Efficiency and Cost Savings Analysis

Upgrading to a modern high-efficiency furnace typically reduces heating costs by 20 to 40 percent compared to units installed 15 or more years ago. The exact savings depend on your current system’s efficiency, local utility rates, and usage patterns. We provide detailed efficiency comparisons showing projected annual savings based on your specific situation. Many Wilmette homeowners recover their investment through energy savings within five to seven years while enjoying improved comfort immediately.

Beyond direct fuel savings, modern furnaces often qualify for utility rebates and tax incentives that reduce initial investment costs. We stay current with available programs and assist customers in accessing these financial benefits. Additionally, new furnaces require fewer repairs than aging units, further reducing long-term ownership costs. Our responsive support staff offers customized solutions to fit your budget, ensuring you receive maximum value from your heating system investment.

Post-Installation Support and Maintenance

Following installation, we conduct comprehensive system testing to verify proper operation across all components. This includes checking gas pressures, measuring temperature rises across heat exchangers, confirming proper airflow through all registers, and calibrating thermostats for accurate temperature control. We demonstrate system operation, explaining thermostat programming, filter replacement procedures, and basic troubleshooting steps. Our technicians remain available to answer questions and address any concerns that arise during your initial adjustment period.

Regular maintenance preserves your furnace investment while maintaining peak efficiency and reliability. We offer maintenance programs designed to prevent unexpected breakdowns, extend equipment life, and maintain manufacturer warranty coverage. Annual inspections identify potential issues before they develop into costly repairs, ensuring your heating system remains ready for Wilmette’s demanding winter conditions. Our commitment to customer satisfaction extends throughout your furnace’s entire service life, providing peace of mind that professional support remains just a phone call away whenever heating concerns arise.

Furnace Installation in Wilmette, IL

Furnace Installation in Wilmette, IL

Furnace Installation ∴ Wilmette, 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

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.

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.

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 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.

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.
Tom Quintero
2 days 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
3 days 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
3 days 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
3 days 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
5 days 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
5 days 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
6 days 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
6 days 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.
6 days 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
1 week 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
1 week 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
1 week ago
Response from the owner:Thank you, Ravi, for taking the time to leave a review. We appreciate your support!
ANDRZEJ KREJZA
2 weeks ago
Response from the owner:Thank you, Andrzej, for your review. We appreciate your feedback!
Viola Jordan
2 weeks 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!
Michael McCauley
2 weeks ago
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
2 weeks 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
2 weeks 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
2 weeks 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!
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Free second opinion with a written estimate or diagnosis from another service provider. Evaluation only; additional diagnostics, repairs, parts, and services not included. Residential customers only. Cannot be combined with other offers.

Offer expires July 31, 2026

$99 Drain Clearing

Restore Proper Flow With Expert Drain Service.

Drain clearing offer valid for one residential drain. Additional charges may apply for main line stoppages, difficult access, multiple drains, or additional services. Repairs not included. Cannot be combined with other offers.

Offer expires July 31, 2026

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