Heat Gain in Air Conditioning Systems Formulas

Heat gain is the term given to a temperature rise within a space due to heat from the sun (solar radiation). And is denoted by Q_gain. Heat Gain is usually measured using the Btu (IT) per Hour for Power. Note that the value of Heat Gain is always negative.

Formulas to find Heat Gain in Air Conditioning Systems

fxHeat Gain through Partition, Floor or CeilingGo

List of variables in Air Conditioning Systems formulas

fx Heat Transfer Coefficient for Interior Structure Go

fx Surface Area of Duct Go

fx Cooling Load Temperature Difference Go

FAQ

What is the Heat Gain?

Heat gain is the term given to a temperature rise within a space due to heat from the sun (solar radiation). Heat Gain is usually measured using the Btu (IT) per Hour for Power. Note that the value of Heat Gain is always negative.

Can the Heat Gain be negative?

Yes, the Heat Gain, measured in Power can be negative.

What unit is used to measure Heat Gain?

Heat Gain is usually measured using the Btu (IT) per Hour[Btu/h] for Power. Watt[Btu/h], Kilowatt[Btu/h], Milliwatt[Btu/h] are the few other units in which Heat Gain can be measured.

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