Air conditioning, often shortened to “AC”, is a modern marvel that many of us rely on, especially during those hot summer months. But have you ever stopped to wonder how this machine magically cools down your home and living space? While the technical specifics can be quite complex, the core principles behind air conditioning are fascinatingly simple. Air Supply Heating & Air Conditioning would like to share the science behind the magic of our air conditioning system.
How Does Air Conditioning Work Scientifically?
When speaking of an air conditioner’s fundamentals, keep in mind that it is a machine designed to move all of the heat from the inside of your home to the outside. It is a common belief that it creates cool air and circulates into the home. However an air conditioner doesn’t add coolness to your room. Instead an air conditioner simply takes away the heat. To better understand the magic of an air conditioning system, we need to see how it works.
What is the Role of Refrigerant in the AC System?
Air conditioner refrigerants are special types of compounds that play a critical role in the cooling process. Refrigerants have the ability to change from gas to liquid and back again in a short amount of time. The refrigerant’s ability to change phases is very important for the heat transfer process. When refrigerants evaporate and turn from a liquid to a gas, they absorb heat. Then when the refrigerant condenses, it turns from gas back to liquid, and then releases heat.
What are the Parts of the AC & Its Functions?
• Evaporator Coils: Located inside your home, these coils hold the refrigerant. As the indoor air blows over the cold coils, the refrigerant inside absorbs the heat and evaporates.
• Compressor: This component, located outside, compresses the gas refrigerant, making it hotter.
• Condenser Coils: These are the counterpart to the evaporator coils but are located outside. The hot gaseous refrigerant releases its heat to the outside air as it condenses back into a liquid.
• Expansion Valve: Before the refrigerant returns to the evaporator coils, it passes through an expansion valve, which controls the flow of the refrigerant and causes it to expand and cool rapidly.
Continuous Cycle of Cooling
For an air conditioner to cool your home constantly, it needs to go through a repeated cycle of evaporating and condensing the refrigerant. This process ensures that heat is constantly being removed from the inside of your home and is then released outside. These constant cycles help to maintain a comfortable temperature inside your home.
One lucky aspect of air conditioning is its ability to dehumidify. As air passes over the evaporator coils, not only is heat removed, but moisture from the air condenses on these coils. This helps to reduce humidity inside your home, adding to the comfort factor.
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Air conditioning might seem like magic on a hot day, but it’s really grounded in some basic scientific principles of heat transfer and phase change. By continuously cycling a refrigerant through a system of coils and compressors, the air conditioner unit effectively removes heat from your home, providing a cooler, more comfortable environment. With a better understanding of how air conditioner’s work you can better maintain and detect a problem if it occurs. For quality HVAC services, contact Air Supply Heating & Air Conditioning today.