The most important point about AC is that, as long as you leave it on, it cools your house, making it energy efficient. One of the most common misconceptions people have about the A/C is that it works on refrigerants. What people fail to understand about refrigerants is that they are the leading cause of global warming, and as much as a central air conditioner only uses half of the electricity used by a car cooling system, it still uses about twenty percent of the world’s total electricity supply.
As soon as an air conditioner runs on a source of refrigerant, it becomes a latent heat in the atmosphere, attracting moisture from the air. This moisture is, of course, the result of condensation from dew, along with other pollutants in the air. As these contaminants build up, they absorb into the refrigerant, reducing its efficiency, and eventually causing it to be used in the chilled air of your central air conditioner.
The answer to how AC works is this: when you turn on the A/C, it takes in the moisture in the air from the chilled indoor air and condenses it into water, creating a vapor that rises into the ceiling. Because of the moisture, the air handler of your unit needs to suck harder to cool the air further. That is why you have to leave the A/C on, and you should not try to turn it off until you are completely done with your chores. If you find yourself running out of air before the heating season is over, or before you have had enough time to make it through the cold weather, you can turn the unit on and run it for a few hours to make sure that you get all the moisture out of the air. If you do not, the condensation will stick to the coils in your central air conditioner and it will not work properly. By knowing how A/C works, you can avoid this situation and help to keep your family warm.
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