Know How Your Home AC Unit Works?

Posted on Air Condition Info December 9, 2009 by John Brescia

A central air conditioning system is important to have especially when you live in the warm and sunny state of Florida. It helps you stay nice and cool on those hot summer days, yet keeps you warm on those chilly winter evenings. Whatever the case may be, it is important to know how your ac system works in order to avoid it from failing on you when you most need it.

Your air conditioning system has three main parts: a compressor, a condenser, and an evaporator. The compressor and condenser are usually located on the outside air portion of the air conditioner. The evaporator is located on the inside the house, sometimes as part of a furnace. That’s the part that heats your house. Working fluid then arrives as a cool, low-pressure gas to the compressor. The compressor squeezes the fluid. This packs the molecule of the fluid closer together. The closer the molecules are together, the higher its energy and its temperature.

The fluid then goes into the condenser as a hot, high-pressure gas. When the working fluid leaves the condenser, its temperature is much cooler and it has changed from a gas to a liquid under high pressure. The liquid goes into the evaporator through a very tiny, narrow hole. On the other side, the liquid’s pressure drops. When it does it begins to evaporate into a gas. By the time the working fluid leaves the evaporator, it is a cool, low-pressure gas. It then returns to the compressor to begin its trip all over again. This continues over and over and over until the room reaches the temperature you want the room cooled to.

Visit your local air conditioning service company to get your ac unit regularly checked and maintained.


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