click here to find out more supporter belt while in the blower. If it is, that belt ought to get replaced. The audio also may mean the motor needs lubricant—which you may or may not have the ability to do yourself based on the furnace make and product.During this section, we will discover the different sorts of noises that an air conditioner might make, delve to the likely causes driving Every single of such noises, and supply true-entire world illustrations or situations that can assist you discover the particular noise issues you might be experiencing.If your HVAC system is building squealing or screeching Appears, it’s vital to tackle The difficulty quickly to prevent additional damage.An AC hissing noise might sound like a snake, but in reality, it suggests directory a significant issue with your air conditioner’s refrigerant system. Refrigerant leaks develop a hissing audio a result of the substantial-strain release of gas escaping via a pretty compact opening.