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Ductless HVAC Replacement in Lombard, IL

When your ductless HVAC system begins showing signs of age or frequent breakdowns, replacing it becomes essential for maintaining comfort in your Lombard home. At Oasis Plumbing, Heating & Cooling, we specialize in comprehensive ductless HVAC replacement services that ensure optimal climate control without the extensive ductwork requirements of traditional systems. Since 1997, we’ve been helping homeowners throughout Lombard and the surrounding Chicago area transition to newer, more efficient ductless heating and cooling solutions.

Ductless mini-split systems have revolutionized how we approach residential climate control, offering targeted temperature management for individual rooms or zones within your home. These systems consist of an outdoor compressor unit connected to one or more indoor air handling units through small conduit lines that require only a three-inch hole through the wall. This minimal invasive installation makes ductless systems particularly attractive for older Lombard homes where adding traditional ductwork would be prohibitively expensive or architecturally challenging.

Signs Your Ductless System Needs Replacement

Understanding when to replace your ductless HVAC system can save you from unexpected breakdowns and escalating energy costs. Most ductless systems have a lifespan of fifteen to twenty years when properly maintained, though several factors can influence this timeline including usage patterns, maintenance frequency, and local environmental conditions. If your system is approaching or exceeding ten years of age and experiencing frequent issues, replacement often becomes more cost-effective than continued repairs.

Common indicators that replacement is necessary include declining energy efficiency reflected in rising utility bills, unusual noises such as grinding or squealing from the indoor or outdoor units, inconsistent temperature control across zones, and refrigerant leaks that require frequent recharging. Additionally, if your system still uses R-22 refrigerant, which has been phased out due to environmental concerns, replacement becomes essential as this refrigerant becomes increasingly scarce and expensive. Our experienced technicians at Oasis Plumbing, Heating & Cooling can perform a thorough assessment of your existing system to determine whether replacement is the most practical solution for your situation.

Modern Ductless Technology Advantages

Today’s ductless HVAC systems incorporate advanced technology that delivers superior performance compared to models from even five years ago. Variable-speed compressors adjust their output based on actual cooling or heating demands, maintaining consistent temperatures while consuming significantly less energy than older single-speed units. This technology can reduce energy consumption by thirty to forty percent compared to traditional fixed-speed systems, translating to substantial savings on your monthly utility bills.

Smart connectivity features now standard in many ductless systems allow you to control your home’s climate from anywhere using smartphone applications. These systems can learn your daily routines and automatically adjust temperatures for optimal comfort and efficiency. Advanced filtration systems in modern ductless units improve indoor air quality by capturing allergens, dust particles, and even some bacteria and viruses, creating a healthier living environment for your family. Heat pump technology in newer models provides both heating and cooling capabilities with impressive efficiency ratings, achieving SEER ratings above twenty and HSPF ratings exceeding ten.

The Replacement Process

Our ductless HVAC replacement process begins with a comprehensive evaluation of your home’s specific needs and your existing system’s configuration. We assess factors including room sizes, insulation quality, window placement, and sun exposure to determine the optimal system capacity and configuration for your Lombard home. This detailed analysis ensures that your new system will provide adequate heating and cooling without being oversized, which can lead to short cycling and reduced efficiency.

During installation, our highly-trained technicians carefully remove your old system components while protecting your property from any potential damage. We handle proper disposal of old equipment and refrigerant according to environmental regulations. The new system installation typically takes one to two days depending on the number of indoor units and complexity of the installation. We mount indoor units strategically for optimal air distribution, install the outdoor compressor in a location that minimizes noise and maximizes efficiency, and run refrigerant lines and electrical connections with minimal disruption to your home’s aesthetics.

Selecting the Right System for Your Home

Choosing the appropriate ductless system involves considering several crucial factors beyond simple cooling and heating capacity. The number of zones you need to condition independently affects both system selection and overall investment. Single-zone systems work well for additions or specific problem areas, while multi-zone systems can condition entire homes with up to eight indoor units connected to a single outdoor compressor.

  • System capacity matching: We calculate precise load requirements based on square footage, ceiling height, and insulation levels
  • Energy efficiency ratings: Higher SEER and HSPF ratings provide better long-term operational savings
  • Noise levels: Modern systems operate at whisper-quiet levels as low as nineteen decibels
  • Warranty coverage: Comprehensive warranties protect your investment for years to come
  • Brand reliability: We install trusted manufacturers with proven track records for durability

Long-Term Benefits and Maintenance

Investing in ductless HVAC replacement delivers numerous long-term benefits that extend well beyond immediate comfort improvements. Energy savings alone often justify the investment within several years, particularly when replacing systems older than twelve years. The zoned control capability means you’re only conditioning occupied spaces, avoiding waste in unused rooms. This targeted approach can reduce overall energy consumption by twenty-five to thirty percent compared to central forced-air systems.

Regular maintenance after replacement ensures your new system operates at peak efficiency throughout its lifespan. Simple homeowner maintenance includes cleaning or replacing filters monthly during heavy use periods and keeping outdoor units clear of debris and vegetation. Professional maintenance from Oasis Plumbing, Heating & Cooling, recommended annually, includes refrigerant level checks, electrical connection inspections, coil cleaning, and performance optimization adjustments. Serving our customers in Chicago and the Northern Suburbs for over twenty years has taught us that properly maintained ductless systems consistently outlast their expected lifespans while maintaining excellent efficiency ratings. Our responsive support staff can establish a maintenance schedule that fits your budget and ensures your new ductless system provides reliable comfort for decades to come.

Ductless HVAC Replacement in Lombard, IL

Ductless HVAC Replacement in Lombard, IL

Ductless HVAC Replacement ∴ Lombard, IL

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Featured Five-Star
Customer Reviews

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.

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 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.

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 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.

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.
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 valid on qualifying residential repair services only. Diagnostic fees, maintenance services, replacements, and new installations are not eligible. Cannot be combined with other offers or prior sales.

Offer expires July 31, 2026

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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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Lombard, IL