Is Your AC Trying to Tell You Something? Find Out Now!What does a hissing or bubbling noise near your AC unit often mean?8%Next Correct Incorrect Hissing or bubbling often signals a refrigerant line leak, which can affect cooling performance. What does a hissing or bubbling noise near your AC unit often mean? Faulty thermostat Refrigerant leak Dirty condenser coil Normal compressor function 8%
