Strange HVAC noises like grinding, screeching, or booming usually signal fan, belt, or ignition problems

https://telegra.ph/Why-Your-AC-Runs-but-the-House-Still-Feels-Warm-01-24

Strange HVAC noises like grinding, screeching, or booming usually signal fan, belt, or ignition problems. Shut it down and call right away to avoid motor failures and costly mid-season breakdowns.