Despite an unusually wet, cool spring here in northern Colorado, the summer is shaping up to be another hot one. The last thing you need is to hear are strange air conditioner sounds as the temperature starts to soar outside. If you hear any of these five sounds, call in a professional to take a look.

Squealing or Screeching

One possible cause is a loose or fraying belt. The repair is inexpensive, but you need to replace the belt before it snaps and causes more damage to surrounding components.

These air conditioner sounds could also be caused by a bad motor bearing. Sometimes adding lubricant through the oil port is enough to solve the problem.

Rattling, Thumping or Banging

Rattling in the blower assembly usually means something has come loose. Quick action can nip the problem in the bud before the part breaks or completely disconnects.

Louder thumping or banging probably means the component is completely broken. The part needs to be repaired before you can run the air conditioner again.

Rattling From the Outdoor Unit

Hardware may have come loose or the motor could be failing. The louder the sound, the more serious the problem is. Seek professional service to prevent damage to the system.

Thwacking

If you hear what sounds like playing cards flapping against the spokes of a bike tire, something may be stuck to the fan blades. This sound doesn’t require immediate action, but if the object is creating enough resistance, it could wear out the blower motor faster.

Clicking

A single “click” is normal when you turn the air conditioner on and off, but repeated clicks from the outdoor compressor or control panel could signal a defective relay. This problem is most likely to occur at the beginning of the season when you haven’t run the A/C in a long time. Replace the relay promptly to prevent damaging the compressor.

If you hear any of these disconcerting air conditioner sounds, don’t wait for the problem to get worse! Contact Balance Point Heating & Air Conditioning in Fort Collins for an affordable, trustworthy repair.

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