Strange HVAC noises like grinding, screeching, or booming usually signal fan, belt, or ignition problems
https://remingtonhihm412.wpsuo.com/when-hvac-leaks-turn-into-water-damage
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.