How do you calculate the energy efficiency of a building?

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How do you calculate the energy efficiency of a building?

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Answer 1 · 2016-01-02T15:51:35

$energy efficiency = \frac{useful energy}{total energy}$ $"energy efficiency"=("useful energy")/("total energy")$
Multiply result by 100 for a percentage.

Explanation:

For a building, the $total energy$ $"total energy"$ is the total amount of energy supplied to the building. The $useful energy$ $"useful energy"$ , is the amount of energy from that which is put in, which is used in a useful manner, or in other words, isn't wasted.
If you have access to the appropriate data then this should be simple to calculate.

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How do you calculate the energy efficiency of a building?

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