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Many U.S. homes have a central heating and cooling system for their house. The air is circulated over either a heating or cooling element and then through a system of ducts by a single fan. Each half of the system has unique parts. Air conditioner repair in Marietta focuses on the three main parts of the system: compressor, evaporator, and condenser. Evaporator The evaporator is the portion of the system inside the house where the cooling takes place. The coolant travels through a sealed tube from one half to the other. As it enters the evaporator, it travels through tiny pin-size holes that turn the liquid into a gas or evaporates it. The gas coolant moves through the coils as the air passes over. This evaporated coolant draws the heat out of the air. Over time, these coils can accumulate dust and dander, reducing the effectiveness of the coolant inside. Yearly cleaning can control this buildup, but the tiny fins on the coils can easily bend or break. Compressor An air conditioner uses a thermal exchanging fluid better known as coolant. As this fluid changes from a liquid to a gas, it cools down tremendously. The compressor squeezes the gas coming out of the evaporator back into a liquid. The compressor is part of the exterior half of the unit because the pressure used to change the gas to a liquid creates a lot of unwanted heat. This heat is dissipated by the other half of the exterior unit known as the condenser. The compressor is one unit that can wear down over time and not function as efficiently. This is also the most likely place that a coolant leak can happen. Condenser The condenser is similar to the evaporator in that it has tiny fins on several coils used to transfer heat. But, it takes the heat generated in compressing the coolant from a gas to a liquid and dumps it out into the surrounding environment. A large fan blows the heat off the coils, cooling the liquid down as it travels to the evaporator. As with the evaporator coils, the condenser coils can become dirty and lose their effectiveness. Because this portion is outside, there are many more things that can bend the fins or even rupture them, causing a coolant leak. These different parts of the unit work in unison to keep a home comfortable in the hot summer months. When any part is damaged, the system will not work properly. While regular maintenance can be done by the average homeowner, air conditioner repair in Marietta should be handled by a licensed HVAC contractor who is qualified to deal with the unit.
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