If you've been running your AC all day and night and still feel like you're living in an oven, this post is for you! You have an AC not cooling, it's hot ,and you're not getting the cool air you need. Suddenly, you're stuck in a sweltering house with no relief in sight! So what can you do if your AC isn't cooling? Read on to find out the most common causes of why your central AC might not be cooling and how to fix them in this blog post. Stay chill folks!
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How Air Conditioner Works
The air conditioner is a device that extracts heat from inside your home and transfers it to the outside, helping you stay cool during hot weather. This process starts with refrigeration. Refrigerant is a chemical that changes from liquid to vapor as it absorbs and expels heat energy. Your air conditioning system uses refrigerant to extract the heat from inside your home and release it outdoors. Now you have cold air circulating throughout your home.
How does this happen?
The warm indoor air is drawn into the return vent, passes through a filter and is blown over the evaporator coil. The refrigerant cycles through the evaporator coil absorbing the heat from the air, turning the refrigerant from liquid to gas. Now that the air is cool, it is blown back into the house.
Next, the refrigerant travels to the compressor within the outside unit, where the compressor increases the refrigerant's temperature. When the super hot vapor refrigerant reaches the condenser, the last step.The refrigerant passes through the condenser coil and releases the heat outdoors. As the refrigerant cools, it changes from a gas to a liquid again. It is now ready to go through the cycle again.