10662 E Avalon Park St. Tucson, AZ 85747
Fast, Accurate, and Affordable Ductless AC & Heat Pump Repairs — Done Right the First Time
If your mini split is leaking, not cooling, making noise, or showing an error code, you need a technician who actually understands ductless systems. Mini splits don’t behave like traditional HVAC units — they require precise diagnostics, correct refrigerant charge, and proper communication/wiring checks.
At ComfortX HVAC, we specialize in mini split repair for all major brands including Gree, Mitsubishi, Daikin, LG, Fujitsu, Bosch, and more. Our licensed technicians diagnose issues quickly, fix problems the right way, and get your system running at full performance.
Call or Schedule Your Mini Split Repair → ComfortX HVAC — Appointment Today!
ComfortX HVAC is Tucson’s most trusted choice for ductless mini split repairs because we understand these systems inside and out — from inverter boards and sensors to refrigerant charge and communication circuits.
Homeowners choose us for:
We begin with a full system diagnostic, including:
● Check for error codes
● Inspect indoor & outdoor units
● Check refrigerant levels
● Test sensors, thermistors, and communication circuits
● Inspect drain line, blower motor, filters
● Verify electrical, fuses, and breakers
● Test inverter board and compressor operation
We identify the real problem — not just the symptoms.
Once we find the issue, you’ll receive
● A straightforward explanation of what’s wrong
● Photos/video (if needed)
● Upfront pricing before any repair begins
● Options when available (repair vs replacement of part)
No pressure. No confusion. No surprise bills.
Our technicians are trained specifically on ductless systems. Typical repairs include:
● Refrigerant leaks & recharging
● Drain line clogs & water leaks
● Blower motor issues
● Thermistor & sensor failures
● Communication errors
● PCB (control board) failures
● Inverter or compressor problems
● Frozen coils
● Electrical or power issues
● Indoor head cleaning & airflow restoration
We use high-quality parts and follow manufacturer specifications to ensure lasting performance.
After the repair:
● We test every mode (cooling, heating, dry, fan).
● Verify refrigerant levels & temperatures.
● Confirm proper communication between indoor units & the condenser.
● Check drain flow.
● Inspect airflow & coil condition.
● Calibrate sensors.
We leave the system performing as close to new as possible.
We check in after your repair to ensure
● Your system is running correctly
● You’re satisfied with the results
● No new issues have developed
You’ll also get the option to join our ComfortX Maintenance Plan to extend the life of your mini split and prevent future breakdowns.
We repair all major ductless heat pump & mini split brands:
Gree Mini Split Repairs
Great systems — parts are typically quick to source.
Mitsubishi Mini Split Repairs
Premium units — very reliable, but need precise diagnostics.
Bosch Mini Split Repairs
Excellent performance but require correct charging and communication checks.
Daikin, LG, Fujitsu, Carrier, Lennox, and more
We repair them all — including older R410A and newer R32 units.
With ComfortX HVAC, you’ll always get:
Most repairs take 1–2 hours, depending on parts availability.
Most systems can be repaired unless the compressor or control board is completely failed.
Get your ductless system running like new again with fast, clean, and reliable service from Tucson’s mini split specialists.
Call or Schedule Your Mini Split Repair Appointment → ComfortX HVAC — Quality. Comfort. Craftsmanship. Done right the first time.
