The purpose of an air conditioner is to cool the room and keep it from being humid and sticky. However, cool air is not always the accurate answer.
Sometimes you must know how much temperature difference is required between the room temperature and the air from the AC to check the appliance’s performance better.
If the AC is operating correctly, there should be a difference of 20 degrees between the room temperature and the air coming out of the air conditioner.
It means that if your room temperature is 80F, the initial air from the AC should be around 60F.
Read further as we elaborate on how cold the air should be from the air conditioner.
How Cold Should the Air Be From the Air Conditioner?
The air from the AC should always be colder than the room temperature. It is the only way to keep the room cold and get the desired number.
Although there is no set number to determine the right temperature, the difference between the room temperature and air from AC should be the highest when the air conditions are turned on.
The difference can decrease as the room temperature gets closer to the desired setting. Ideally, the Delta T(difference between the room temperature and air out of the AC ) should be between 14-20F.
Measuring the Air Temperature
You must understand that AC doesn’t create cold air. Instead, it takes the warm air from the room, extracts heat, and returns it.
If you want to measure the Delta T, take an infrared thermometer and measure the warm air temperature from the vents strategically placed in your home. It is called the return air.
Now measure the cold air coming out of the AC called the supply air. Calculate Delta T by following the equation Delta T = T(supply) – T (return).
Takeaway
To keep your room cool and refreshing, your AC requires a difference of around 20 degrees between the supply and return air. If your AC is not performing as desired, try cleaning the filters or looking for any leakage to fix the air supply.
