Refrigerator not cooling in summer heat
Why it happens here
Contra Costa County summers push compressors and condenser coils hard. Dust buildup on the coil makes the compressor run hotter and longer. In older Annandale homes, the coil may not have been cleaned in years, which leads to overheating and eventual failure.
Our approach
We clean the condenser coil, test the compressor with a clamp meter, and check the evaporator fan. If the sealed system is low on refrigerant, we find the leak with a leak detector and repair it. We recharge with R134a or R600a to spec.