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Oasis Plumbing, Heating & Cooling Offers Seasonal Maintenance Plans

Understanding Ductless HVAC Systems for Your Addison Home

When considering climate control options for your Addison property, ductless HVAC systems represent an innovative solution that eliminates the need for extensive ductwork while providing exceptional comfort throughout your living spaces. These systems, also known as mini-split systems, consist of an outdoor compressor unit connected to one or more indoor air handling units through refrigerant lines. The technology has revolutionized how we approach heating and cooling, particularly in homes where traditional ducted systems prove challenging or inefficient to install.

At Oasis Plumbing, Heating & Cooling, we’ve witnessed firsthand how ductless technology transforms homes across Addison and the greater Chicago area. These systems operate on heat pump technology, which means they can both heat and cool your spaces by transferring heat rather than generating it through combustion. During summer months, the system extracts heat from inside your home and releases it outdoors, while in winter, the process reverses, capturing heat from outdoor air and bringing it inside. This dual functionality makes ductless systems particularly valuable in Illinois’s variable climate, where temperatures can swing dramatically between seasons.

Why Addison Residents Choose Ductless Installation

The decision to install a ductless HVAC system often stems from specific architectural challenges or lifestyle preferences that make traditional ducted systems impractical. Many Addison homes, particularly older constructions and historic properties, lack the structural space necessary for ductwork installation. Attempting to retrofit these homes with traditional HVAC systems would require extensive renovation, including dropping ceilings, building soffits, or sacrificing closet space to accommodate ducts. Since 1997, we’ve helped countless homeowners navigate these challenges by implementing ductless solutions that preserve their home’s original character while modernizing comfort capabilities.

Energy efficiency stands as another compelling reason for choosing ductless installation. Traditional ducted systems can lose up to 30% of their heating and cooling energy through duct leaks, poor connections, and heat transfer through duct walls located in unconditioned spaces. Ductless systems eliminate these losses entirely by delivering conditioned air directly to living spaces. Additionally, the ability to create individualized comfort zones means you’re not wasting energy heating or cooling unused rooms. Each indoor unit operates independently with its own thermostat, allowing family members to customize temperatures according to personal preferences while reducing overall energy consumption.

The Installation Process We Follow

Our installation process begins with a comprehensive assessment of your Addison property to determine optimal placement for both outdoor and indoor units. We evaluate factors including room size, window placement, insulation quality, and existing electrical infrastructure. The outdoor unit requires a stable, level surface with adequate clearance for airflow and maintenance access. Indoor units offer flexibility in placement, with options for wall-mounted, ceiling-recessed, or floor-standing configurations depending on your room layout and aesthetic preferences.

The physical installation involves creating a small three-inch opening in your exterior wall to run refrigerant lines, electrical connections, and condensate drainage between outdoor and indoor units. We take exceptional care to minimize disruption to your home’s structure and appearance, using specialized tools and techniques refined through our over 20 years serving Chicago and the Northern Suburbs. The refrigerant lines receive proper insulation and protective covering to ensure longevity and maintain system efficiency. Electrical connections typically require a dedicated circuit, which our certified technicians install according to local Addison building codes and manufacturer specifications.

Key Benefits of Professional Ductless HVAC Installation

  • Zone Control Capabilities: Each room or area receives independent temperature control, eliminating hot and cold spots while reducing energy waste in unoccupied spaces
  • Improved Indoor Air Quality: Multi-stage filtration systems in ductless units capture dust, allergens, and other airborne particles more effectively than standard HVAC filters
  • Quiet Operation: Indoor units operate at whisper-quiet levels, typically producing less than 30 decibels of sound, comparable to rustling leaves
  • Quick Installation Timeline: Most single-zone systems can be completely installed within one day, minimizing disruption to your daily routine
  • Versatile Application: Perfect for home additions, converted garages, finished basements, or any space where extending existing ductwork proves challenging

Maintenance Requirements and Long-term Performance

Maintaining your ductless HVAC system requires less effort than traditional systems, though regular attention ensures optimal performance and longevity. The primary maintenance task involves cleaning or replacing filters monthly during peak usage seasons. These filters slide out easily from indoor units, allowing homeowners to rinse them with water or vacuum accumulated dust. Professional maintenance, which we recommend annually, includes checking refrigerant levels, cleaning coils, verifying electrical connections, and ensuring proper drainage.

The longevity of ductless systems often exceeds traditional HVAC equipment when properly maintained. Indoor units typically last 15-20 years, while outdoor units can function effectively for 20-25 years. This durability, combined with energy savings averaging 30-40% compared to conventional systems, makes ductless installation a sound long-term investment for Addison homeowners. Our highly-trained technicians provide comprehensive maintenance services designed to maximize system lifespan while maintaining peak efficiency throughout changing seasons.

Selecting the Right System Size and Configuration

Proper sizing remains critical for achieving optimal comfort and efficiency from your ductless system. Undersized units struggle to maintain desired temperatures during extreme weather, running continuously and wearing components prematurely. Oversized systems cycle on and off frequently, creating temperature swings and failing to adequately dehumidify indoor air during cooling season. We perform detailed load calculations considering your home’s square footage, insulation levels, window efficiency, and occupancy patterns to determine appropriate system capacity.

Multi-zone configurations allow single outdoor units to support multiple indoor units, providing an economical solution for whole-home comfort. These systems can accommodate up to eight indoor units depending on outdoor unit capacity, though most Addison homes require between two and five zones for complete coverage. Each zone operates independently, meaning you can cool your bedroom for sleeping while maintaining different temperatures in living areas. Our responsive support staff works closely with homeowners to design configurations that balance comfort needs with budget considerations, offering customized solutions that align with your specific requirements and financial parameters.

Ductless HVAC Installation in Addison, IL

Ductless HVAC Installation in Addison, IL

Ductless HVAC Installation ∴ Addison, IL

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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 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.

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.

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 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 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.
Leigh Barrett
1 day ago
Thorough inspection and walked me through everything I needed to know.
Response from the owner:Thank you, Leigh! We're glad to hear you found the inspection thorough and that you felt well-informed throughout the process. Your feedback is greatly appreciated!
Mike came by and gave an honest evaluation. He was professional and friendly. He didn’t do any work as the issue requires more work than we thought. He did provide options.
Response from the owner:Thank you, Christian! We're glad to hear that Mike provided you with an honest evaluation and helpful options. Your feedback is greatly appreciated!
Hugh Devlin
2 days ago
Mike knows hot water heat. Typical Chicago 2-flat with a Crown plant here. Mike was on time, left for parts, and returned sooner than he said. Before leaving performed a free unsolicited safety check and shamed us into new batteries in our CO2 alarms. We will call Oasis.
Response from the owner:Thank you, Hugh! We're glad to hear about your positive experience with Mike. It's great that he went above and beyond with the safety check. We look forward to assisting you again at Oasis!
Maria L
2 days ago
Quy was very professional and explained everything clearly on humidifier use. He also checked furnace for maintenance. We’re all set for winter!
Response from the owner:Thank you, Maria! We appreciate your kind words about Quy and are glad to hear you’re all set for winter.
irene arce
2 days ago
Response from the owner:Thank you, Irene, for your review! We appreciate your support and look forward to serving you again.
Jiahua Zhang
2 days ago
Response from the owner:Thank you, Jiahua, for taking the time to leave a review. We appreciate your support!
Lee Hubbell
3 days ago
Quick to respond, very friendly and helpful and quick follow up, great pricing and easy to get an appointment same week.
Response from the owner:Thank you, Lee! We're glad to hear you had a positive experience with our friendly service and quick follow-ups. We appreciate your feedback on our pricing and appointment availability!
Casey Black
3 days ago
Joseph was great for maintenance
Response from the owner:Thank you, Casey! We're glad to hear that Joseph provided great maintenance service. Your feedback is appreciated!
mike bennett
3 days ago
Diagnosed furnace problems, explained them to me, gave me options, which lead to me to decide to replace my furnace. Both technicians were prompt, polite, and thorough.
Response from the owner:Thank you, Mike, for your fantastic review! We're glad to hear that the technicians provided timely and professional service during your condenser installation. Your satisfaction is important to us, and we appreciate your trust in our team.
Jeffrey Kosin
3 days ago
Great availability, knowledgeable service person. Didn’t oversell the repair. We have used them for years and recommend.
Response from the owner:Thank you, Jeffrey, for your kind words! We're glad to hear you appreciate our knowledgeable service and honest approach. Your continued support over the years means a lot to us, and we truly appreciate your recommendations!
Stan Bedows
4 days ago
Response from the owner:Thank you, Stan, for taking the time to leave a review. We appreciate your support!
craig Logan
4 days ago
Hector and Hani were great to work with. Very knowledgeable and friendly like all the staff at Oasis.
Response from the owner:Thank you so much for the excellent review, Craig!
steve abrams
4 days ago
I have used OASIS for the past 15 years EXCLUSIVELY- they are the best...the staff is unsurpassed, their pricing is excellent and they are fair and honest beyond comparison. I have them do an annual inspection and tune-up of my HVAC and humidifier systems. They are the best I’ve worked with. Thank you, OASIS, as always!
Response from the owner:Thank you so much, Steve! Year after year, we are happy to work with you. We love our repeat clients, and look forward to maintaining this new system for years to come. We were happy to work with you, as always! 😀
Mark Cassidy
4 days ago
Excellent review of what repairs were needed and (more importantly) what repairs were NOT needed for our boiler. This visit saved thousands and confirmed my suspicion of a bogus diagnosis from another HVAC company.
Response from the owner:Thank you, Mark! We're glad to hear that our thorough review helped clarify the necessary repairs and saved you money. Your trust means a lot to us!
Gregg Shipp
4 days ago
Joseph W. was great. Prompt, friendly & thorough. Oasis will be my “go to” HVAC company from now on.
Response from the owner:Thank you, Gregg! We're glad to hear that Joseph provided you with prompt and friendly service. We appreciate your trust in Oasis as your go-to HVAC company!
Michael Spencer
4 days ago
Quick and knowledgeable. Very nice plumbers
Oasis is just THE company to go to. Been using them for years and now use them in rented property. They are incredibly honest and responsive. Wouldn't use anyone else.
Response from the owner:Thank you, Melissa! We're grateful for your loyalty and glad to hear you've had such positive experiences with our team. Your trust means a lot to us!
Mary Taylor
1 week 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!
Kristin Mustari
1 week ago
Another great experience!
Response from the owner:Thank you, Kristin! We're glad to hear that Joseph provided you with a positive experience and honest feedback. Your satisfaction means a lot to us!
Friendly. Helpful. Would highly recommend!
Response from the owner:Thank you, Derek! We appreciate your kind words and are glad to hear you had a positive experience. Your recommendation means a lot to us!
Kylie Korff
1 week ago
We had a fantastic experience with Oasis! Amir, Jesus, Rigo, and Serge arrived promptly and completed our full HVAC replacement in just one day, despite a particularly challenging installation in our walk-up condo with some very tight spaces. The team was professional and happy to answer all of our questions along the way. (We were especially impressed with how clean they left the entire space). I’d highly recommend reaching out to Oasis for any HVAC needs.
Response from the owner:Thank you, Kylie! We're so glad to hear you had a fantastic experience with Amir, Jesus, Rigo, and Serge. Their professionalism and attention to detail truly make a difference. We appreciate your recommendation and look forward to assisting you with any future HVAC needs!
Alicia Garcia
1 week ago
Shout out to Oasis. Hani was great! came out to give me a quote on my furnace and AC replacement. I did shop around for quotes. Found Oasis reasonable pricing, they were transparent, and very good at explaining the issue my old furnace had and why they recommend the furnace/ac I should have. Fernando, Samuel, And Joel came in to replace my furnace and AC. They were super respectful and communicative of everything that was going on and any issues that would rise. Very smooth process thus far. Thank you gentlemen for your assistance in all this!
Response from the owner:Thank you, Alicia! We're glad to hear that Hani provided you with a great quote and that Fernando, Samuel, and Joel made the installation process smooth and respectful. Your satisfaction means a lot to us!
Linda Clark
1 week ago
Hani was on time and he completed the fall tune up of my heater in a reasonable amount of time.
Response from the owner:Thank you, Linda! We're glad to hear that Hani was punctual and efficient with your heater tune-up. Your satisfaction means a lot to us!
Yudi Bai
1 week ago
Very punctual and professional!
Response from the owner:Thank you, Yudi! We appreciate your kind words about our punctuality and professionalism. Your feedback means a lot to us!
Romy Connor
1 week ago
I used Oasis for both a/c maintenance and a water heater flushing. Guys were on time and very professional! Fair quote on both services..and didn't try to upsell me on things others had tried to do-luckily I have a friend that's a plumber and said what was needed. Will definitely be calling Oasis for future plumbing needs! Appreciate the honesty. One other company gave me a ridiculous quote..for something I didn't need-won't mention any names-but all reviews mentioned how high their pricing was-do some research!
Response from the owner:Thank you, Romy, for your kind words and for trusting Oasis with your a/c maintenance and water heater flushing; we appreciate your feedback and look forward to assisting you with any future plumbing needs! We are here for all of your HVAC and Plumbing Needs!
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Dirt, Dust And Debris Cause Breakdowns. Deep Clean Heating System for $79

$79 offer valid for first-time residential customers only. Includes up to 90 minutes of deep cleaning for one furnace or heat pump system. Cleaning is limited to accessible components. Repairs, parts, refrigerant, and other services are not included. No Breakdown Guarantee subject to applicable terms and conditions. Cannot be combined with other offers.
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Addison, IL