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Davis/Morgan
801-773-4836
Weber County
801-393-1265
Brigham City
435-553-4556
Salt Lake
801-292-1636

TIPS FOR QUIETING A NOISY CENTRAL AIR CONDITIONER

A noisy central air conditioner isn't only an annoyance and distraction. It can also be a sign of a serious issue. Understanding the reason your central A/C system is so loud and what you can do to remedy the problem can help you enjoy your time indoors this summer. Here is how you can figure out what the problem is and how you can respond.

Schedule an HVAC Inspection

If your air conditioner is the ideal size for your home and the noise is a loud banging or grinding that has been going on for a long time, contact an HVAC technician right away. The technician will examine every component and determine what can be done to eliminate the noise. Here are a few common HVAC issues your technician might diagnose:

  • Damaged or dirty fan blades. The condenser houses a set of large fan blades. A loud banging noise can occur if the blades are broken, bent, or covered with dirt and debris.
  • Loose or damaged screws or clips. While the air conditioner is running, the condenser can shake. Over time, the shaking can loosen screws or clips holding the components in place.
  • Damaged compressor. A high-pitched whining or squealing noise can occur when the air conditioner's compressor is malfunctioning or damaged.

Your condenser features mounts and brackets that help keep it in place. If these mounts or brackets are damaged during a storm or by your lawn mower, it can cause the condenser to shake, which in turn can cause a loud rattling or banging noise.

Dampen the Noise With Fences, Bushes, or Shrubs

If there aren't any broken components and your central air conditioner is still loud, you have other options to help you control the noise without impacting the air conditioner's efficiency. Here are a few ways you can quiet your central air conditioner:

  • Purchase a compressor blanket. Ask your HVAC technician to install a compressor blanket. The blanket is specially designed to damper the sound of the compressor, which is often the reason homeowners deal with nuisance HVAC noise.
  • Plant bushes or shrubs. A bush or shrub is an attractive way to block the noise from your condenser. Keep the shrub pruned to prevent the branches from damaging the condenser.
  • Erect a fence. Build a fence around your condenser to block the noise. The fence should be higher than the condenser. Allow for proper ventilation by leaving a space between the condenser and the fence.

In addition to dampening the noise from your HVAC system, a fence can protect the condenser from storm damage.

Install a Smaller Central Air Conditioner

To maximize their air conditioner's efficiency, some homeowners mistakenly install a massive unit that is far too large for their home's square footage. When a condenser is too powerful for a home, the air conditioner will continuously turn on and turn off. This is because the massive central air conditioner is cooling the home too quickly. In addition to creating a lot of noise, this constant cycling will cause premature wear to the air conditioner's components.

Talk to your HVAC technician to determine the right size central air conditioner for your home. Several features on modern central air conditioners can ensure your new air conditioning unit is quiet. For example, specialized mounts are designed to prevent excessive condenser noise.

Your technician may also recommend a unit featuring specialized fans that are built to reduce noise or a condenser that comes equipped with a covered compressor.

Don't spend another summer dealing with a noisy air conditioner. Instead, find out the cause and solution for the problem. If you have any further questions, contact the professionals at Dick Kearsley Service Center.

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