Lubomiroff Performance logo MOBILE AUTO REPAIR

A/C & Heating Diagnosis & Repair

A/C and heating problems can come from refrigerant leaks, compressor faults, blend-door issues, blower motor failures, or electrical controls. We test the system at your location and identify the actual cause before recommending repairs.

Common symptoms

  • "My A/C is not blowing cold air"
  • "The heater is weak or only blows cold"
  • "The blower motor does not work on some speeds"
  • "I hear noise when the A/C is turned on"

What we check

  1. 01 A/C compressor command, clutch operation, and related electrical controls
  2. 02 Refrigerant pressure behavior and visible leak points
  3. 03 Blower motor, resistor, fuses, relays, and cabin airflow
  4. 04 Blend-door and mode-door operation when heat or vent direction is incorrect
  5. 05 Cooling fan operation when A/C performance changes at idle

Heating and air conditioning diagnosis starts by separating airflow problems from temperature-control problems. A weak blower, stuck blend door, low refrigerant charge, failed compressor, or electrical fault can all feel similar from the driver seat.

Many A/C and heating repairs can be completed on-site after diagnosis. Refrigerant recovery, evacuation, and some compressor repairs may require shop equipment depending on the vehicle and the exact repair needed.

A note on shop equipment

Some A/C repairs require refrigerant recovery, evacuation, or equipment that may not be practical at a mobile location. After diagnosis, we will explain whether the repair can be completed on-site or needs shop equipment.

GET STARTED

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