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Oasis Plumbing, Heating & Cooling Offers Seasonal Maintenance Plans

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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Family Owned and Operated Since 1997

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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.

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 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.

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.

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.
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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$77 off any Plumbing Repair

Restore Comfort Fast With Professional HVAC & Plumbing Repairs.

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.

Use By
10/31/2026
$77 Off Repair

Restore Comfort Fast With Professional HVAC Repairs.

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.

Use By
10/31/2026
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Lombard, IL