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Ductless Mini-Split Service

Turn to Gray's for Ductless HVAC Service in Carol Stream

A Local Team Serving DuPage County


We’ve Been Installing Ductless HVAC Systems in DuPage County Since 2019

For homes that lack ductwork—or places with rooms out of reach of the main AC system—ductless HVAC can be the solution. As a ductless HVAC contractor serving Carol Stream for years, since 2019 in fact we provide nothing but the highest quality service and products. To learn more about Gray's Heating & Cooling’s mini-split services, keep reading.

Need HVAC in your spare room? Call (630) 283-7981 now to request an estimate for ductless mini-split repair or installation.

What Is a Ductless Mini-Split?

Ductless air conditioners and heat pumps combine one outdoor unit with several indoor ones. Unlike central AC, which uses ductwork to transport cooled or heated air, these systems are mounted on an interior wall and control the room's HVAC directly. The power and compression for these units is provided by the larger outdoor unit. Wires and refrigerant lines connect the indoor system to the outdoor unit. Unlike central AC units, individual mini-splits can be set independently to provide room-by-room comfort.

Though you often hear heat pump used interchangeably with ‘mini-splits’, the two are not exactly the same. While there are ductless heat pump systems, there are also ducted ones. When it comes to installation costs and individual room comfort in Carol Stream, ductless mini-splits are a great choice.

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The Benefits of Going Ductless

When it comes to maintaining a comfortable indoor environment, especially in larger homes with multiple levels, choosing the right cooling system is paramount. Many homeowners find themselves grappling with the limitations of central air conditioning systems, which can struggle to evenly distribute cool air throughout the entire house. In such scenarios, a ductless mini-split AC system emerges as a game-changer, offering a range of benefits that go beyond traditional cooling methods:

  • Lower Cooling Costs: If your home is multi-level or extremely large, a central AC system can struggle to provide top-notch comfort. Mini-split systems extend the footprint of your system while allowing you to modulate where and when you cool. No one in the spare room? Turn off the wall unit to prevent energy waste.
  • Enhanced Flexibility: Is your bedroom too hot and your living room an icebox? Does your mother enjoy a crisp 68? Ductless mini-split systems can be adjusted on a room-by-room basis. This enables HVAC zoning at scale.
  • Simple Installation: Easier to install than central systems, mini-split units can provide comfort at a lower price point. This simplifies the process of expanding your HVAC footprint. It also makes them a popular solution for heating or cooling homes in Carol Stream, Glendale heights, and Bloomingdale.
  • Quieter Operation: Can't hear your television over the roar of your old air conditioner or furnace? Then, you might want to consider opting for a ductless system. Mini splits are quieter, making them a great option for those who prefer a tranquil home.

For a better idea of how a mini-split installation in DuPage County can save you money and promote comfort, give us a call at (630) 283-7981.

Our Ductless Services in DuPage County

Ductless Mini-Split Repair

Is your mini-split struggling to cool the air or making strange noises? Then, it’s time to call Gray's Heating & Cooling for a repair consultation. Have a common ductless HVAC issue like a dirty coil or refrigerant leak? Is the issue something more nuanced like a thermostat software issue? You can count on our DuPage County HVAC experts to fix it.

Ductless Mini-Split Installation

Getting a ductless mini-split system installed requires a bit of upfront planning. You must first determine the number of indoor units and the best way to configure the main unit. After arriving, we’ll take time to lay out the necessary components. We’ll also clean up after ourselves and leave your home looking spotless. So, if you want cleaner and more efficient cooling in Carol Stream, you can rely on us for ductless HVAC replacement and installation.

Ductless Mini-Split Replacement

If your current ductless mini-split system is beyond repair, it may be time for a replacement. At Gray's Heating & Cooling, we provide expert advice on how to find, size, and select a new ductless unit. We handle everything from removing the old unit to installing the new one, ensuring that your new system runs efficiently and effectively. For ways to save on this service, we invite you to check out our promotions page. For reliable ductless mini-split replacement in Bloomingdale, trust our experienced team.

Ductless HVAC Maintenance

As with all HVAC systems, regular mini-split maintenance is needed to keep your system in prime operating condition. This small investment can add years to the lifespan of your mini-split system while lowering your average utility bill. To get a price on ductless mini-split maintenance in greater Glendale heights, give Gray's Heating & Cooling a call.

Choose Gray's for Ductless Mini-Split Service

Gray's Heating & Cooling provides ductless HVAC service. Due to our many years of experience repairing and installing mini-splits, we possess an intimate understanding of how these systems work. We also know how to properly size your system for ultimate comfort. Fully dedicated to your satisfaction, we go out of our way to keep you informed and involved. Running a little late? We'll call ahead. See a new problem that needs fixing? We'll outline the costs and consequences of leaving it undone and not just assume you're on board. This willingness to involve you and your family in the ductless mini-split service process has helped us acquire many happy customers in the Carol Stream area.

Reach out to us at (630) 283-7981 to schedule a ductless mini-split evaluation.
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Optimize Your Comfort in Carol Stream with Our Cooling Services


Everyone in Carol Stream and Bloomingdale is familiar with the bitterly cold weather common in Illinois. This kind of winter weather quickly becomes unbearable, with chills that seep right through your coat, brutal gusts of wind, and homes with floors as frigid as icicles.

Gray's can help you fight off the bitter chill of a Illinois winter. Our company offers competitive rates on service for heat pumps and furnaces.

Ready to have a cool home again in DuPage County? Call (630) 283-7981 today.

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No Shades of Gray in Our Customer Reviews

Customers in Carol Stream and Bloomingdale universally appreciate our HVAC services.

Cost-Effective and Fast Furnace Replacement
Excellent experience with Gray's. They provided a very competitive quote to replace my furnace, and once I gave them the go-ahead, they had a technician on site within 15 minutes—that level of responsiveness is rare. The team was professional, efficient, and easy to work with throughout the process. Highly recommend Gray's for anyone looking for fast, reliable, and fairly priced HVAC service.
S.M Suhail
Excellent Residential and Commercial Furnace and AC Service
I’ve had the pleasure of working with Gray's both personally and professionally. They’ve handled my regular furnace and AC maintenance for many years, always to my satisfaction. When it came time to replace my furnace, their expertise with our complex setup made it an easy decision to trust them with such a significant investment. Professionally, the company I work for also relies on Gray's to provide reliable and cost-efficient service to nearly 200 condo associations across the Chicagoland area. Their staff is friendly, knowledgeable, helpful, and patient — truly a pleasure to work with.
Jacqulin Goodlove-Schroeder
World-Class Furnace and Heat Pump Installation
My experience with Gray's was world class. From the initial estimate walk through in my home, to the installation of my new heat pump and furnace, the experience was pleasant the whole way through. The entire process with Gray's was efficient and effective, just like our new HVAC system. They've found the perfect combination of new school technology and old school relationship building. I feel like I'm in the right hands going forward!
Drew Doster
Friendly Late-Night HVAC Service
Gray's, thank you for sending Anthony to us. It was a late night emergency call. He was very friendly, courteous, knowledgeable and extremely professional. We will definitely keep your company in mind should we need any additional service. Thank you!
Hector R O
Respectful, Informative, and Fast AC Repair
We had Gray's come out to see why our AC unit wasn’t cooling correctly. They were able to come out right away, then figured out we had a small leak. We were given options by the tech that made me feel like I wasn’t being forced into a decision I didn’t want to make like I’ve felt from other companies. I wasn’t being talked into buying a whole new system, which was very important to me. Kirby was able to fix everything up that day and we had cold AC in under 3 hours. The office staff were easy to deal with. I also spoke to the owner, Dan, when he followed up with me and he was super friendly and professional.
Jonelle Salinas
Efficient AC Repair and Helpful Maintenance Tips
I recently had Sergio and Eric come over to update our AC unit for the summer, and I couldn't be more pleased with their service. From the moment they arrived, their professionalism was evident. They thoroughly inspected our unit and quickly diagnosed the issue causing it to shut off unexpectedly. Not only did they fix the problem efficiently, but they also provided us with excellent recommendations to prevent future issues. Their expertise and friendly demeanor made the entire experience seamless. I highly recommend Sergio and Eric for anyone in need of AC maintenance or repairs.
Marcus Howard
Effective Heat Exchanger Cleaning Fixed Furnace Fast in Sub-Zero Weather
We were in desperate need of help. Our furnace had stopped working and the sub-freezing temps were expected to drop to zero. Panic was setting in. But, Gray's was able to send their skilled technician, Sergio, who arrived almost two hours ahead of schedule. Sergio, diligently and expertly examined the furnace. Eventually, he diagnosed that a very dirty heat exchanger was causing poor airflow causing the system to shut down. He then spent a considerable amount of time in a very cramped space cleaning the suspect part. Eventually, he emerged, dirt smudged on his face with a bag filled with dirt. The system restarted and we are not in danger of suffering from hypothermia.
Kalman Fortoloczki

Serving Towns Across the DuPage County Since 2019


  • Addison
  • Arlington Heights
  • Aurora
  • Bartlett
  • Batavia
  • Bensenville
  • Berkeley
  • Bloomingdale
  • Burr Ridge
  • Carol Stream
  • Clarendon Hills
  • Darien
  • Des Plaines
  • Downers Grove
  • Elgin
  • Elk Grove
  • Elk Grove Village
  • Elmhurst
  • Eola
  • Fox Valley
  • Geneva
  • Glen Ellyn
  • Glendale Heights
  • Hanover Park
  • Hinsdale
  • Hoffman Estates
  • Indian Head Park
  • Itasca
  • Lisle
  • Lombard
  • Medinah
  • Mount Prospect
  • Naperville
  • North Aurora
  • Oak Brook
  • Oakbrook Terrace
  • Plato Center
  • Rolling Meadows
  • Roselle
  • Saint Charles
  • Schaumburg
  • South Elgin
  • Streamwood
  • Villa Park
  • Warrenville
  • Wayne
  • West Chicago
  • Western Springs
  • Westmont
  • Wheaton
  • Willowbrook
  • Winfield
  • Wood Dale
  • Woodridge

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