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You’re going to enjoy warm summers when living in Northfield, Illinois, and your air conditioner is going to get a lot of use. Maintaining your HVAC unit is key to expanding its lifespan, but even with the utmost care, your air conditioner may make weird noises from time to time. Some of these noises are normal and are nothing to worry about. On the other hand, here are three sounds your AC should never make.

Loud Rattling and Banging

If your AC unit is making extremely loud noises, like rattling or banging, this is a sure-fire sign to call an HVAC specialist. Either of these sounds indicates there is an issue with the blower assembly or possibly even the motor. A rattling noise tends to mean something is loose, whereas a banging noise means that a part inside the unit has disconnected itself from where it’s supposed to be. It is also possible that the blower is out of alignment. Either way, these are issues you don’t want to fix yourself.

Clicking Noises

You may hear a click when the unit first comes on or when it shuts itself off, but continued clicking is a cause for concern. One of the most common reasons AC units click on a continued basis is because of a faulty relay or a malfunctioning thermostat, both of which need to be repaired by an HVAC professional.

Fan Unit Rattling

You should be able to hear the AC unit’s fan running, but if it’s rattling, this is a sign of loose hardware. If, when the fan kicks on, you hear a squealing that doesn’t stop after a few seconds, this probably means the compressor is going bad. An extended humming noise from the compressor indicates that the unit’s capacitor is going to fail in the near future. All of these issues should be addressed by a professional HVAC specialist.

To learn more about proper AC maintenance and what noises your unit should and should not be making, contact us at Ireland Heating and Air today at 847-38-0108.

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