How to Quiet Your A/C

How to Quiet Your A/C

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As the cooling season gets into full swing, quieting the A/C isn’t impossible and might give you a good night’s sleep and a better relationship with the neighbors. Sometimes all it takes is a little soundproofing material, or it might involve a mechanical repair.

Air conditioners have three major parts that make noise. The first, and noisiest, is the compressor in the outdoor condenser. This part changes the pressure of the refrigerant and it makes a lot of noise each time it runs.

The other noise-prone parts are the fans in the condenser and the indoor air handler. Their motors power the fans and they, too, create noise, although not on the same scale as the compressors.

Using Soundproofing

It’s possible to build enclosures for outdoor condensers that will absorb the noise the compressor and fan motor make. It’s not a do-it-yourself project because condensers need ample airflow through them to cool the hot refrigerant coming from your home. An HVAC contractor can build such an enclosure for quieting an A/C.

Mechanical Issues

Odd sounds, like screeching, grinding and rattling indicate mechanical problems with air conditioners. When the noises come from the air handler, the problem is likely to be the blower motor or problems with the fan. The components may need oiling, the bearings might be worn, or the belt might need to be adjusted.

Outdoors, the root of the noise may be a failing compressor, a dry blower motor, or loose mounts inside the condenser.

Most of the time, routine professional maintenance prevents these noises since lubrication and adjustments are part of professional servicing.

System Replacements

If you need an HVAC replacement, look for a new system that uses quieter motors or has a compressor designed to minimize noise. A/C systems have decibel ratings and the lower the number, the quieter the system.

Before the long summer comes, taking steps for quieting the A/C will increase your comfort indoors and out. To learn more, contact Roth Heating & Cooling, providing HVAC services for Lake Oswego -area homeowners.

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    Daikin - Industry Affiliations
    BBB Rating - Industry Affiliations

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