Do You Know If an HVAC Compressor Replacement Is Needed?

Hearing the news that your air conditioner compressor is on the blink and it’s time for a new one isn’t anything anyone wants to hear. Do you suspect your compressor might be on the edge? If so, it could be time to call your consultant for a recommendation. Here are some signs that you might need an HVAC compressor replacement.

What’s an HVAC Compressor?

The AC compressor pressurizes the refrigerant that your AC uses to absorb the heat from your home and then releases to the outside. Once the refrigerant releases the heat, it travels back inside your home to repeat the cycle. During this cycle, refrigerant goes from gas to liquid and back to gas again. It’s the compressor’s job to turn the low-pressure refrigerant into a hot, high-pressure gas. As you can see, you won’t get conditioned air unless the compressor is in good working shape, so if it’s not, you may need an HVAC compressor replacement.

Signs You Need an HVAC Compressor Replacement

  1. Hot air isn’t being released outside. Hold your hand near the fan on the outdoor unit. If the compressor is working properly, hot air is being absorbed inside the home and then released. You should be able to feel it. If it’s lukewarm or cool, the unit is not compressing gas properly.
  2. The compressor makes unfamiliar noises. Have someone stand outside and listen to the compressor when the fan comes on. If you hear a rumbling, vibrations, banging noises, clicking, clattering, screeching, growling or popping, it could be a sign of AC compressor electrical problems. The compressor or fan might also be loose, thrashing around in the housing. A vibration sound when the unit starts up could signal it is having trouble starting, which is a sign that it is failing. Turn the unit off for any of these signs and call for repairs.
  3. The compressor isn’t running. If the AC isn’t cooling the home and the fan inside the AC cabinet is working, check the outside unit. If the fan is running but not the compressor, the compressor has likely failed.

To find out other signs of compressor failure and whether you need HVAC compressor replacement, contact NisAir Air Conditioning and Heating.

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