Listen, Your AC Unit is Telling You Something

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aircon noiseIt’s common for the air conditioning units to make certain noises when operating. You may hear whirring sounds, which indicate that the fan’s starting to spin; or popping noises that result from the air pressure in the metalwork of ducts. But when you start hearing noises, which are a bit off the normal whirring and popping sounds, you must pay extra attention to your unit. Strange noises are a sign of AC system problems.

Hissing

Hissing may indicate that the refrigerant is under pressure, which may lead to leaks. If this is not the problem, check the internal valve of the compressor. Leaks may also come from this valve, making the hissing sound. For this problem, it’s best to call a home air conditioning specialist to ensure repairs that will effectively restore the good, working condition of the unit. Remember that leaks, most especially those that come from the refrigerant, are not DIY jobs because if not handled properly, they can cause health problems for the family.

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Loud Humming

One of the simplest reasons the unit makes loud humming sounds is dirt and dust. Clean the parts thoroughly and regularly. Dirty AC units don’t just affect the system’s efficiency, but also cause illnesses among family members. If it’s not the dirt and dust, though, loud humming may come from the compressor motor. The motor produces humming noises when it’s unable to operate smoothly. If left unresolved, this problem may lead to overheating or unit damage. Experts recommend replacing the capacitor or the actual motor.

Squealing

When you switch on the AC unit and it produces a squealing sound, it may indicate that the fan belt is worn out. Contact an air conditioning contractor to install a new fan belt that’s appropriate for the type and brand of your AC unit.

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Don’t ignore those weird noises. Repair or replace the parts immediately to ensure the excellent condition of the system.