Why is my mini-split icing up?

A mini-split usually ices up because of low refrigerant, dirty filters, a dirty evaporator coil, or a fan that isn't moving enough air across the coil. Ice blocks airflow and can damage the compressor if the system keeps running. Turn the unit off to let it thaw, clean the filters, and schedule a repair if the ice returns.

Can ductless mini-split systems be repaired?

Most ductless mini-split problems can be repaired, including refrigerant leaks, failed fan motors, faulty sensors, and clogged drains. Repair is less practical when a system is 10 to 20 years old, has lost significant efficiency, or needs a major component such as a compressor. Your service professional will tell you whether a repair or replacement makes more sense.

Why is water leaking from my ductless indoor unit?

Water dripping from a ductless indoor unit is most often caused by a clogged or disconnected condensate drain line. Dirty filters and frozen coils can also send excess water into the unit as ice melts. Leaks should be repaired promptly because standing water can damage walls and flooring and encourage mold growth.

How often should I clean my mini-split filters?

Mini-split filters should be cleaned about once or twice a month during heavy use. Remove the filters from the indoor unit, rinse them with lukewarm water, let them dry completely, and reinstall them. Clean filters improve airflow, reduce strain on the system, and help prevent coil icing.

How much does ductless repair cost?

Ductless repair from Aire Serv of Chattanooga North begins with a $99 diagnostic fee that is waived when you have us complete the repair. The final repair price is quoted upfront by the job, not the hour, after the problem is diagnosed. Visits outside regular hours add a $129 after-hours fee, or $229 on holidays.

Same-Day Ductless Mini-Split Repair in Chattanooga, TN

Quick Fixes for Leaks, Icing, and Weak Airflow

Aire Serv of Chattanooga North repairs ductless split AC systems throughout Chattanooga the same day you call, with a firm repair price before any work begins.

Same-day ductless repair
Diagnostic fee waived with repair
Priced by the job, not the hour
Calls answered 24/7
Licensed and fully insured

Quick Fixes for Leaks, Icing, and Weak Airflow

Residential
Commercial

Schedule Online

Ductless Repair Service Built Around Chattanooga Households

Quick response, transparent pricing, and help after hours.

A mini-split that stops cooling usually affects a room with no other source of air conditioning, such as a bonus room, garage workshop, or addition. Aire Serv of Chattanooga North offers same-day service for ductless repairs and visits homes 7 days a week. Request service online or call any time, since calls are answered 24/7, and our office will confirm when your service professional will arrive.
Your service professional inspects the indoor and outdoor units, finds the cause, and gives you an upfront price by the job, not the hour. Approve the repair, and we waive the diagnostic fee. If the system is older and repairs no longer make financial sense, we'll explain your replacement options and provide a free in-person estimate so you can compare the two. Financing is available for replacements, and seniors, military members, veterans, first responders, and teachers receive a discount.
Some breakdowns can't wait until Monday morning, especially during a humid Tennessee heat wave. Evening, weekend, holiday, and emergency ductless repairs are available for an additional after-hours fee. All work is completed by licensed, expertly trained, and background-checked professionals, and every repair is backed by the Neighborly Done Right Promise®. We also offer warranties on our work.

How We Repair Ductless Split AC Systems

A ductless repair visit from Aire Serv of Chattanooga North starts with a full inspection of the indoor unit, outdoor condenser, and the line set that connects them. Your service professional checks the filters and evaporator coil for dust buildup, tests electrical connections and the control board, and measures refrigerant pressure to locate leaks. Common problems include frozen coils, clogged condensate lines that cause water to drip from the indoor unit, failing fan motors, and short cycling. After you approve the upfront price, the technician cleans components, replaces failed parts, or seals leaks and recharges refrigerant as needed. The visit ends with an efficiency test to confirm the system cools evenly. We repair single-zone and multi-zone systems, including wall-mounted and floor-mounted units, for homes across Chattanooga.

Schedule Service

How We Repair Ductless Split AC Systems

The Aire Serv Advantage

From tune-ups and maintenance to heater repair and air conditioning replacement, we provide services that keep the air you breathe clean and keep your home or business at the perfect temperature.

Guaranteed Upfront Pricing

We quote by the job not the hour, so you know the final price won't change with no hidden fees.
Learn more Click to Call
The Neighborly Done Right Promise^®

We'll get the job done right and ensure you are happy with our work.
Learn more The Neighborly Done Right Promise^®
We Treat Your Home Like Our Own^®

Expertly trained, background checked, and committed to respecting your home and putting you first.
Learn more We Treat Your Home Like Our Own^®
Anytime Customer Service

We're here for you 7 days a week, 365 days a year, and we always take extra precautions to safeguard your home during our visits.
Learn more Anytime Customer Service

Aire Serv of Chattanooga North

Aire Serv of Chattanooga North repairs ductless mini-splits in homes throughout Chattanooga and its neighboring communities. Same-day repair appointments are available in Hixson, Signal Mountain, Red Bank, Soddy-Daisy, Harrison, Ooltewah, Collegedale, Apison, McDonald, and Cleveland. Whether your system serves a single bonus room or several zones, our service professionals travel to you 7 days a week.

HVAC Services in Chattanooga North and Surrounding Areas

Aire Serv of Chattanooga North repairs and replaces ductless split AC systems along with the central heating and cooling equipment many homes pair them with. Related services include ductless installation and replacement, air conditioner repair, heat pump repair, and seasonal AC maintenance. We also offer dehumidifiers, thermostat installation, and emergency HVAC service for breakdowns outside regular hours.

Residential
Commercial

Ductless Mini-Split Repair FAQs

Ductless systems are reliable, but they develop their own set of problems, from icing to leaking indoor units. These answers explain the most common mini-split issues, what you can check yourself, and when it's time to call a professional. Aire Serv of Chattanooga North provides same-day ductless repair with upfront pricing throughout the Chattanooga area.

A mini-split usually ices up because of low refrigerant, dirty filters, a dirty evaporator coil, or a fan that isn't moving enough air across the coil. Ice blocks airflow and can damage the compressor if the system keeps running. Turn the unit off to let it thaw, clean the filters, and schedule a repair if the ice returns.
Water dripping from a ductless indoor unit is most often caused by a clogged or disconnected condensate drain line. Dirty filters and frozen coils can also send excess water into the unit as ice melts. Leaks should be repaired promptly because standing water can damage walls and flooring and encourage mold growth.
Most ductless mini-split problems can be repaired, including refrigerant leaks, failed fan motors, faulty sensors, and clogged drains. Repair is less practical when a system is 10 to 20 years old, has lost significant efficiency, or needs a major component such as a compressor. Your service professional will tell you whether a repair or replacement makes more sense.
Mini-split filters should be cleaned about once or twice a month during heavy use. Remove the filters from the indoor unit, rinse them with lukewarm water, let them dry completely, and reinstall them. Clean filters improve airflow, reduce strain on the system, and help prevent coil icing.
Ductless repair from Aire Serv of Chattanooga North begins with a $99 diagnostic fee that is waived when you have us complete the repair. The final repair price is quoted upfront by the job, not the hour, after the problem is diagnosed. Visits outside regular hours add a $129 after-hours fee, or $229 on holidays.

Residential
Commercial