Ductless Mini Split Systems
Ductless mini split installation and repair for homes without traditional ductwork.
A ductless mini split system heats and cools a space without running any new ductwork, which makes it the practical option for a garage conversion, a sunroom, or an older Union County home that was never built with central air in mind. Byrum installs and repairs ductless mini split systems throughout Marshville, Monroe, and the greater Union County area, sizing each unit to the specific room or zone it’s covering.
A ductless mini split air conditioner gives you control over individual rooms instead of running one setting across the whole house, which matters in additions and rooms that always run hotter or colder than the rest of the home. Whether you’re comparing a split ductless system against extending existing ductwork, or your current unit needs a ductless mini split repair, our technicians walk through what actually makes sense for your space.

Inspect & Repair
From a refrigerant leak to a failing compressor, our technicians handle ductless mini split repair for issues across the whole system, not just the parts that are easy to reach. We diagnose the actual problem first, then explain what it takes to fix it.
Installations
We assess the room or zone before recommending a unit, then size and install the ductless mini split system to match. Getting the sizing right the first time is what determines whether the system actually delivers the comfort and efficiency it’s supposed to.
Maintenance
Routine maintenance on a ductless mini split system covers filter cleaning, coil checks, and a look at the electrical connections that tend to loosen over time. Staying on top of it keeps the system running efficiently and helps you avoid the repair calls that come from a unit that’s never been serviced.

Reliable Comfort: Experts in HVAC
And Dozens More
Qualified for All Major Makes and Models
Our team of expert technicians is trained to handle all makes and models of major brands with precision and care. From routine maintenance to complex repairs, we ensure top-notch service for all.
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Ensure optimal efficiency of all your systems
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Lower your utility costs with energy efficiency
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Extend your system’s lifespan through regular maintenance
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Keep you and your family comfortable and safe during all seasons
Our Certifications & Awards
FAQs
What is a Mini-Split System?
A ductless mini split system is an HVAC setup built around two main components: an indoor unit and an outdoor compressor, connected without any ductwork in between. Instead of pushing air through ducts, it delivers heating and cooling directly from the indoor unit to the specific room or zone it’s installed in. That setup avoids the energy losses that come with ductwork and gives you separate temperature control for each zone. A ductless mini split system is a common fit for additions, rooms with no existing ductwork, or any space where you want comfort control independent from the rest of the house.
Are Mini-Split Systems energy efficient?
Yes, generally more so than a ducted system, since there’s no energy lost pushing air through ductwork that runs through unconditioned spaces like an attic or crawl space. Running a mini split only in the rooms that are actually occupied, rather than conditioning the whole house at once, adds to those savings.
Can a Mini-Split System be installed in any room?
Most rooms work, as long as there’s a spot for the indoor unit on an interior wall and a path to run the line set to the outdoor compressor. Additions, garages, and older rooms without existing ductwork are the most common installations, but a technician can confirm what’s possible for your specific space.
How do I know if I need a ductless mini split repair or a replacement?
Frequent repairs, a unit older than 12 to 15 years, and a noticeable drop in performance are the main signs replacement makes more sense than continuing to repair an aging system. A technician can walk you through the comparison during an inspection.
What's the best ductless mini split for my home in Marshville, NC?
The best ductless mini split for your home depends on the size of the room or zone, how well-insulated the space is, and whether you need one indoor unit or a multi-zone setup covering several rooms. A technician can size the right system after looking at your specific space instead of guessing from a general chart.
What areas do you serve for ductless mini split installation and repair?
Byrum installs and repairs ductless mini split systems throughout Marshville, Monroe, and the surrounding Union County area, along with nearby areas of Mecklenburg, Anson, Cabarrus, and Stanly counties in North Carolina, and Lancaster and Chesterfield counties in South Carolina.

Need an HVAC Maintenance Plan in Marshville?
- Improved system performance and energy efficiency.
- Prolonged lifespan of HVAC and IAQ equipment.
- Reduced potential for costly breakdowns and repairs.
- Enhanced indoor air quality for a healthier environment.
- Priority scheduling and prompt service when needed.
- Savings with preventive maintenance & discounted repairs.

HVAC & IAQ Financing Available in Marshville and Surrounding Areas
We understand that major home improvement repairs can come unexpectedly, and our financing partners assist our customers by offering competitive plans. Our convenient financing options give you budget flexibility to get the reliable, energy efficient comfort you’re looking for.
Learn MoreScott Shields
Great company with very professional sales and service staff. Would highly recommend Byrum to anyone. The new unit installation has cut my energy bills in half compared to what they were for the same period last year. My only regret is not having have done it sooner. Even the city inspector commented on the excellent quality of the work completed.
Judith Ross
It was very hot outside, our A/C went out. Another company left us for 4 weeks and still could not say when the new A/C would be installed. Byrum responded immediately, brought a portable A/C unit and installed it until they could get the new one. Within a week, it was installed. Every single person was kind, caring, professional. Everything was explained in detail, the work was excellent, prompt and neat. Could not have dreamed of a better company to take care of my needs. THANK YOU!
Al Parler
Always very professional and always able to fix whatever has gone wrong in a very quick time. Excellent professional service.
Serving the Heartland of the Carolinas Since 1996.
Byrum Heating & A/C, Inc. serves the community with unwavering dedication across a wide service area. With a strong foundation built on Christian values, quality workmanship, and honesty since 1996, they have become a trusted name in heating, cooling, and indoor air quality services. Their NATE-certified technicians cover residential and commercial HVAC needs and ensure top-notch repairs, installations, and maintenance. Byrum's commitment to customer satisfaction and integrity shines through in every interaction, making them the go-to choice for optimizing comfort and cost savings.



















