Veteran-Owned Plumbing Company in Falmouth
Request an Estimate 508.388.6007

Why Is my AC Making a Weird Noise?

When temperatures start to climb, you rely on your home’s air conditioner to help you stay comfortable indoors. However, if you turn on your AC and instead of feeling cool, conditioned air, you’re confronted with a loud noise, it might be a warning sign alerting you to a problem. Our trained and experienced team at Master Tech Plumbing Inc. is sharing what these noises might be trying to tell you, and more importantly, what you can do to solve it.

Diagnosing Your AC

Because AC units are quieter than ever before, it can be incredibly jarring to hear a loud noise coming from your system. On occasion, these noises could indicate that you simply need to clean out your filter, but others could be a sign that your unit needs repairs or even a full replacement. Learning more about your AC can help you better communicate with your technician and also help you make a more informed decision for your home.

Noises your system might make, and what they mean:

  • Humming: While most units will make a humming noise, if you notice this humming is getting louder and louder, it could be a sign that your sound-dampening components or compressor is damaged.
  • Banging/rattling: Wear and tear affects every make and model of AC, and when individual components wear down, they can become loose and even detach from the rest of the system, causing the unpleasant banging or rattling noise you hear.
  • Buzzing: Distinct from humming, a loud buzz could mean that your system is experiencing wiring issues, like electrical malfunctions, loose wiring, or a failing motor.
  • Screeching: Possibly the least pleasant noise you can experience, a loud screech when you turn on your system indicates mechanical issues, where there is grinding metal on metal. More specifically, we’ve found this noise is often caused by a malfunctioning motor or compressor.
  • Whistling: If you hear a whistling noise, check your system for any signs of moisture. Most likely a hiss or whistle is a signal of leaking.
  • Clicking: Is the click happening at consistent intervals? If so, this could show you that debris has been caught in your fan. If not, an issue with your thermostat or capacitor might be to blame.

We Quickly Find & Solve Your Every AC Issue

Now that you know what “that” noise might mean—it is time to solve the problem fast. Our team at Master Tech Plumbing Inc. will provide honest advice and recommendations and quickly repair the problem. If your system seems to be beyond repairs, we also offer replacements, using the newest and most energy-efficient makes and models of air conditioners. We have been solving all of Falmouth’s plumbing, heating, and cooling problems for over 20 years, and we are ready to put our expertise to work for you.

If you are ready to get your AC back to running optimally, call us today at (508) 388-6007 or contact us online. We offer convenient scheduling, same-day service, and even 24/7 emergency services.