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How Your Central AC System Works

At JD Mohler, we like to tell Richmond Hill homeowners that the best air conditioner is the one you don’t have to think about! Your AC unit should come on the moment the indoor temperature is set on the thermostat requiring cooling performance, and then runs quietly and efficiently when needed. But when it’s time to perform routine maintenance, make repairs or replace your system, it’s helpful to understand how an air conditioning system works.

Parts of a Central AC System

While you certainly use your AC a lot, many homeowners aren’t sure exactly how theirs works which makes it difficult to tell if there’s an issue in need of servicing. To do this, it helps to know a little bit about the parts that make up the air conditioning system. A typical central air conditioning system is a two-part or split system that includes:

• The outdoor unit contains the condenser coil, compressor, electrical components and a fan.
• The evaporator coil, which is usually installed on top of the gas furnace inside the home.
• A series of pipes, or refrigeration lines, connecting the inside and outside equipment.
• Refrigerant, the substance in the refrigeration lines that circulates through the indoor and outdoor unit.
• Ducts that serve as air tunnels to the various spaces inside your home.
• A thermostat or control system to set your desired temperature.

The Refrigeration Cycle

1. Using electricity as its power source, the refrigerant flows through a closed system of refrigeration lines between the indoor unit and the outside unit.
2. Warm air from the inside of your house is pulled into ductwork by a motorized fan.
3. The refrigerant is pumped from the exterior compressor coil to the interior evaporator coil, where it absorbs the heat from the air.
4. This cooled air is then pushed through connecting ducts to vents throughout the home, lowering the interior temperature.
5. The refrigeration cycle continues again, providing a consistent method to keep you and your family comfortably cool.

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Benefits of a Working Central AC Unit

• Indoor comfort during warm weather

The biggest benefit is that central air conditioning helps keep your home cool and reduces humidity levels.

• Cleaner air

As your central air conditioning system draws air out of various rooms in the house through return air ducts, the air is pulled through an air filter, which removes airborne particles such as dust and lint. Sophisticated filters may remove microscopic pollutants, as well. The filtered air is then routed to air supply duct-work that carries it back to rooms.

• Quieter operation

Because the compressor-bearing unit is located outside the home, the indoor noise level from its operation is much lower than that of a free-standing air conditioning.

Contact Us

Address

10275 Ford Ave, Suite C

Richmond Hill, Ga 31324

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Office Hours

24/7 Service Available

Contact Information:

Telephone: (912) 445-2069

Location:

10275 Ford Ave, Suite C
Richmond Hill, Ga 31324
We also serve: Pooler GA & Savannah GA

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