Mobile Auto AC & Heating Repair in The Dominion, TX

Climate Control Repair Inside The Dominion

The Dominion is a gated community off IH-10 West, so we arrange guest access ahead of time and do the work in your driveway or garage, quietly and without leaving a mess. Many vehicles here have automatic dual or tri-zone climate control, which adds blend door actuators, cabin temperature sensors and control modules to the usual compressor and refrigerant checks.

When Only One Side Blows Cold

On multi-zone systems, cold air on the driver side and warm air on the passenger side is usually a blend door actuator or a sensor fault, not low refrigerant. We read the climate control module with a scan tool, command each door through its travel, and only then decide whether the problem is airflow, electrical, or refrigerant.

Sensors Before Refrigerant

Many luxury SUVs and sedans run the AC through a touchscreen and a network of modules, sensors and electric actuators. A fault in a cabin humidity sensor, a sun-load sensor or the climate control module can make a healthy refrigerant system behave badly. We read live data from those sensors before touching the refrigerant side, which avoids paying for a recharge the car never needed.

Electric Compressors on Hybrids

Hybrid and plug-in vehicles often use an electrically driven compressor that runs on the high-voltage system and needs a specific non-conductive oil. The wrong oil or a generic sealant can damage it. We identify the compressor type before quoting and use only the oil and refrigerant the manufacturer specifies.

Garage Appointments

Most work in The Dominion happens in the garage or driveway with the door open, and AC work is quiet: the loudest part is the vacuum pump. We confirm guest entry with you the day before, so there is no wait at the gate.

Cost and Paperwork

Starting at $149 (recharge) to $850+ (compressor). Newer vehicles often use R-1234yf refrigerant; we confirm the type from the label before quoting.

Prices, warranty and the full checklist for this job: Auto AC & Heating Repair in San Antonio.