Why Is My Air Conditioner Making A High Pitched Whistling Noise
July 10, 2025
Why Your Air Conditioner Is Whistling — And What To Do About It A clean, efficient AC should hum quietly, ideally, you shouldn’t hear it at all. When it starts emitting a high‑pitched whistling or screeching noise, that’s your system shouting for help. While the exact sound can vary it is important to consult a …