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AAction Air Conditioning & Heating Co. Blog

How Your Air Conditioning Actually Cools Your Home

Air conditioning in Savannah is as much a necessity as running water and electricity. When Georgia hits us with high temperatures and veritable walls of humidity, we can easily retreat to a cool, comfortable environment in our own homes. But while everyone appreciates the benefits of an air conditioning system, comparatively few people know how it actually cools your home. The fundamentals of the process are simple to understand.

Air conditioning systems use refrigerant for the the cooling cycle, though the exact type depends on the brand and model. The refrigerant starts the process as a cool gas before entering a compressor, which places it under a great deal of pressure, which increases the temperature. From there, it moves to a set of condenser coils, where it cools into a liquid form.The heat from this process dissipates out into the surrounding air, where it is then blown out of the unit via a fan. This is why the condenser coils are located in the outside portion of the air conditioning system.

The liquid is still under a great deal of pressure when it moves to the expansion valve, which acts like an aerosol can. It releases a set amount of the refrigerant into the evaporator coils wherethe liquid evaporates. That process pulls heat from the surrounding air, until it is quite cold. Another fan then blows across the evaporator coils, pushing the cooled air into a series of ducts that travel throughout your home. The process leaves the refrigerant right back where it started: as gas. It can then move into the compressor and start the entire process all over again.

It’s a marvel of technology, but like all technological marvels, it depends on a lot to operate properly. When wear and tear grind down the equipment, when leaks develop in the refrigerant lines, when dirt and dust build up on the coils, or when electricity can’t reach the unit for whatever reason, it can no longer cool our homes the way it needs to. When that happens, you can call on the trained experts at AAction Air to help. We proudly serve the greater Savannah area and can get your air conditioner up and running again.

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