What We Check
A Real Diagnosis, Not a Guess
Most AC calls are not the compressor. They are power problems, a failed capacitor, a fan motor, or a control board. Replacing a whole unit when a small part failed is the kind of upsell we don't do. Every AC call starts with testing, in this order:
- Campground pedestal and shore cord voltage. Low voltage on a hot afternoon is one of the most common causes of AC failure, and it can damage a compressor.
- Breakers, transfer switch, and the 120V supply to the unit
- Thermostat and control board, including multi-zone systems
- Start and run capacitors
- Fan motor and blower wheel
- Compressor current draw under load
- Evaporator and condenser coils, filters, and airflow through the ducts
- Shroud, roof gasket, and condensate drainage for leaks into the ceiling
Common Problems
What We Fix Most Often
Runs but doesn't cool
Dirty coils, low airflow, a weak capacitor, or a compressor that isn't starting. We measure before we replace anything.
Hums, then trips the breaker
Often a start capacitor or a compressor struggling against low voltage. We'll also tell you if a soft start device would help on your rig.
Won't run on the generator or 30 amp
Two ACs plus a microwave on 30 amp is more than the service can carry. We check the load and the generator output.
Water dripping inside
A compressed roof gasket, loose mounting bolts, or a blocked condensate path. Left alone it rots the ceiling and roof deck.
Thermostat does nothing
Control board, wiring, or a 12V supply problem. Common after a power surge at the pedestal.
Horse trailer LQ AC
Same rooftop units, often run hard at summer shows. See our living quarters page.
Repair or Replace
We'll Tell You Straight
Most RV rooftop air conditioners are sealed systems. They aren't designed to be recharged in a driveway. If the compressor has failed or the unit has lost its refrigerant, a replacement unit usually costs less than chasing the repair, and we'll show you why.
If the unit can be repaired, you get a written quote before any work starts. We install genuine OEM parts so the repair is covered.
Pricing
What an AC Service Call Costs
Parts and repair labor are quoted in writing before work begins. See full pricing.
We cover Anderson, Clemson and Seneca, Easley and Pickens, Greenville, and campgrounds around Lake Hartwell on both the South Carolina and Georgia sides.
Questions
Common Questions
Can you recharge my RV air conditioner?
Most RV rooftop units are sealed systems that aren't built to be recharged in the field. If refrigerant is gone or the compressor failed, replacing the unit is usually the better value. We'll test it first and tell you.
Why does my RV AC trip the breaker?
The usual causes are a failing start capacitor, low voltage at the campground pedestal, or too many loads running on a 30 amp service. We test each one on site.
Do you come to campgrounds?
Yes. We work at campgrounds, RV parks, storage lots, and driveways across Upstate SC and Northeast Georgia. Some parks have rules about outside contractors, so check with the office if you're not sure.
How much does RV AC repair cost?
The service call is $200 and includes the first hour of diagnostic labor, credited toward the repair if you go ahead. Parts and labor are quoted in writing before any work starts.