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Load Calculation

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Room Heat Gain

1- External Heat Gain

2- Internal Heat Gain

3- Fresh Air AC Unit

In Summer

In Winter

The prevailing temperature

and humidity condition is a

result of the balance

between the heat enteringand the heat leaving a

building.

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Load Components

Heat gain through glass (Solar heatgain)

Heat through wall, partition, ceiling andfloor (Transmission Heat Gain)

Heat gain from people

Heat gain from light Heat gain from appliances

Ventilation and infiltration heat gain

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Instantaneous Heat Gain vs

Cooling Load