Air Conditioning Repair Tips: How Refrigerant Charge Affects Your La Mesa Home AC’s Performance

No matter what kind of air conditioning (AC) system you have, it likely uses vapor compression to provide your home with cooling. We’re not going to get into the nitty gritty about the physics behind your AC unit, but we do want to let our customers know about why it’s important to keep an eye on the refrigerant charge of their air conditioning system. Low refrigerant, or low refrigerant charge, are two of the most common calls for service that we receive.

Call ARS® San Diego if you need any kind of air conditioning repair in your La Mesa, CA home. We can work on any type or brand or AC system that you have.

Why Low Refrigerant Pressure Is Bad

Have you ever used one of those compressed air canisters to clean your computer? When you squeeze the trigger air shoots out and the can starts to get cold. This happens because of something called adiabatic cooling. As the gas is released from the can, the remaining gas inside the can expands to fill the space, which causes it to quickly absorb heat energy from the surrounding area. Your air conditioning system uses this exact same concept to cool your home, just at a much larger level.

Your air conditioning system compresses a refrigerant and then releases it in order to absorb heat energy from your home’s air. If the refrigerant isn’t kept at a high pressure, when it releases it won’t be able to absorb as much heat from your home.

Signs You Need Air Conditioning Repair, La Mesa, CA

There are a few common signs that could indicate that you have low refrigerant levels. Call the La Mesa, CA air conditioning repair professionals at ARS® San Diego if you’re having any of the following problems:

  • Not enough cooling – If you notice that your home isn’t getting cool enough, it could be because you have low refrigerant pressure.
  • Gurgling noises – Is your AC making a gurgling noise? This usually is an indication of low refrigerant levels and low refrigerant pressure.

For your La Mesa home air conditioning repair needs, make sure you call the experts at ARS® San Diego.


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