How to check the right capacity of Air conditioner?

Last Update date : 2012.02.23

[Related Symptom]

Less cooling. Capacity of unit must be as per the size of the room.

[Cause]

Under and over sized units installed.

[Solution]

Follow this calculation to check the right capacity of Air conditioner

Capacity Calculation - Factors to be considered –

    1. Area of the room – (L x W x H )  

    2. Window area exposed to Sun (West Facing)

    3. Window area exposed to Sun (Other Direction)

    4. Wall area exposed to Sun (West Facing)

    5. Wall area exposed to Sun (Other Direction)

    6. Wall area not exposed to Sun

    7. Ceiling area exposed to Sun

    8. Ceiling area not exposed to Sun

    9. No. of occupants

    10. Number of electrical / electronic equipments

 

Do the heat load calculation (Score) of installation place by using the above chart.

    Example:

    The room size is 15X12 X10 feet (LWH) having 6X6 feet window, west facing, on top floor and 4 nos. of residents are there and 500Watts Electrical appliance is used by them.

The Score of calculation is 16 points and capacity of unit of1.5 tons.

 

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