HOW DOES AN A/C UNIT WORK TO COOL A HOME?
Have you ever wondered in the dire heat of summer just how an air conditioner (A/C Unit) works? Well, allow the HVAC St. George Utah air conditioner experts to provide you with all of the answers that you need in regards to A/C units and how they work.
THE COMMON DENOMINATOR OF ALL A/C UNITS
There are different types of A/C units that are manufactured. Yet, all of them work by the implementation of some simplistic mechanics, a few basic scientific principles and upon the same premise as a refrigerator. The common denominator of the two is retaining the cold air and expelling the hot air via the ventilation source that directs to the outside of your home.
An A/C unit first converts a gas, commonly termed as a refrigerant, to a liquid and then vice versa. The refrigerant processes the heat in the inside air volume modifies it from the gaseous state to colder air. It then transfers the heat to the outside of your home.
THE FOUR ESSENTIAL PARTS OF AN A/C UNIT
An A/C Unit consists of four individual parts that enable it to function including:
- Evaporator: The evaporator is housed inside the frame of the A/C unit. The evaporator consists of coils that are exposed to fans that directly blow on them. The refrigerant contained inside the coils absorbs the temperature of the air and converts it from a liquid form to a vapor form. As it changes form, the hot air transpires into cooler air.
- Compressor: Once the air is vaporized in the evaporator, the compressor takes over. The compressor which exists on the outside of the air conditioning unit compresses, pressurizes, and increases the temperature of the vapor.
- Condenser: After the condenser has raised the temperature of the vapor, the condenser (also located outside of the A/C unit) condenses the heat. The heat is refashioned into liquid form, and then naturally radiated away.
- Expansion Device: The expansion device’s purpose is to maintain and regulate the “flow” process from the refrigerant- to the evaporator (in its liquid state.) During this phase, the heat is absorbed and then converted from a liquid state to a gas state, again.
A/C UNITS AND DEHUMIDIFICATION
An air conditioner was given its name for good reason. This is because it actually “conditions” the air by dehumidifying it. Humidity permeates moisture in the air which often results in heat being absorbed even more so. This is why when the humidity index is high, it can feel as if the temperature in the environment is even greater than it really is.
When the air is drier, it is cooler. This colder, drier air is pushed out of the front vents of the A/C unit and thus makes the room a comfortable temperature. That is the reason why sometimes on more humid days, more water condensation builds up outside your air conditioner.
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