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Page 1: Energy Use in Buildings

•

Energy use in buildings

Page 2: Energy Use in Buildings

Energy is used for

• Lighting

• Heating

• Cooling

• Appliances

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Use of energyPrimary energy

Transformati

onSecondary energyDelivered energyUseful energy

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Calorific value

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Thermal comfort

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Factors in thermal comfortActivit

y Clothin

gRoom temperatureAir

movementHumidity

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Factors in thermal comfortActivit

y Clothin

gRoom temperatureAir

movementHumidity

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Heat loss

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Heat loss

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Heat gains

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