Why Is My Heat Pump in Gainesville, FL So Noisy?

Your heat pump’s evaporator coil should sound like a whisper (18 to 30 decibels), while the outdoor unit should sound more like moderate rainfall or a normal conversation (60 decibels). If the system for your home in Gainesville, FL is louder than that, you might have one or more of the following problems.

The Fan Blades Are Hitting Something

If your fan blades are hitting something like a chunk of ice, a twig, or another component, you may hear rattling, clanking, or scraping sounds. If your fan blades are hitting the grille or side of the unit, you might hear a loud humming sound.

When this happens, turn your system off immediately to avoid ruining the fan or motor. In the worst-case scenario, it could end up hitting the refrigerant line, potentially causing a leak, which can be dangerous to you and detrimental to the environment.

Low Refrigerant Charge and Dirty Motor Bearings

If you hear gurgling or high-pitched whistling, it may be a sign that your refrigerant levels are low. Shrieking noises, on the other hand, arise from friction with dirty motor bearings.

Poorly Installed Heat Pump Equipment

Excessive vibration and rattling could occur when your heat pump’s cover panel is loose, or its coolant piping is overly tight. Still, even if your HVAC contractor mounted the heat pump’s components correctly, old or worn parts can also cause noise. Some of the common culprits in such circumstances are the belts and bearings of your blower motor, which become louder as they wear out.

What Can You Do?

Proper maintenance can help prevent almost all these issues. But for those that unexpectedly occur, like fan blade problems, turning your heat pump off immediately and calling an HVAC professional are the best things you can do. It’s important to remember that as the noise gets louder, your system is incurring more damage.

The quiet operation of your heat pump is a testament to its overall health and efficiency. Therefore, it’s paramount to keep your system in top-notch condition through regular maintenance and timely repairs. If you live in or around Gainesville, FL, contact Browning Heating & Air Conditioning, LLC, for all your heat pump repair, installation, and tune-up needs.

Image provided by iStock

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