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Unlike a furnace, which has a flame, air conditioning seems like magic. How can you "make" cold air? The secret is a liquid "refrigerant".
Let us show you how it works:
- First, your thermostat senses the temperature of your home or business. When that temperature rises above your desired setting, the thermostat tells your cooling system to go to work.
- Your cooling system has an indoor unit and an outdoor unit. Liquid refrigerant from the outdoor unit is sent through a coiled pipe inside your home where your home's warm air is blown across it. The refrigerant chemical literally absorbs heat like a sponge, causing the chemical to expand and the coiled pipe to get cold. The air blowing across this cold pipe gets cold too, and the cold air is sent through ductwork to your home.
- The expanded refrigerant flows back to your system's outdoor unit. There, a compressor applies pressure to the refrigerant, which cools down and radiates heat to the outside air as it passes through another coiled pipe.
- When the temperature in your home is cool enough, the thermostat tells your cooling system to shut down.
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