Ductless mini-split repair

Ductless systems solve problems that ducts can’t. In a house where the only cooling has been a swamp cooler, in an older home with no room for ductwork, in an addition, a converted garage or a bedroom the central system never reached — one or more wall-mounted heads and a small outdoor unit can do the job without tearing into walls and ceilings. Pueblo has plenty of those houses: about half its single-family homes were built before 1980.

They’re also different enough from central air that the troubleshooting is different. Each indoor head has its own fan, filter, sensors and drain, and the system talks in error codes rather than simply quitting.

1. Check the mode on the remote. In Auto, Heat, Dry or Fan mode, the unit may not cool the way you expect. Set it to Cool and a temperature below the room’s.
2. Clean the filters. Lift the front panel, slide out the mesh filters, rinse them, and let them dry completely before putting them back. Clogged filters cut airflow and can make the coil freeze.
3. Look at the outdoor unit. Is it running? Is anything blocking it — weeds, a fence panel, stored items?
4. Note any blinking lights or codes. A flashing indicator usually means the system has logged a fault. Write down the pattern before you reset anything.

• Not cooling or weak cooling after the filters are clean — often low refrigerant from a leak, a failing fan motor, or a sensor fault.
• Ice on the indoor head or lines — airflow or refrigerant; if it refreezes after cleaning, it’s not the filter.
• Water dripping from the indoor head — a clogged or poorly sloped condensate line, or a failed condensate pump.
• Error codes — read against the manufacturer’s documentation for your exact model, then tested, not guessed.
• Outdoor unit not starting — power, the outdoor control board, or the compressor.

Typical U.S. range for a mini-split repair: $300–$550, per Angi, October 2026 — a national figure, not a Pueblo quote. Your exact price comes after diagnosis.