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B
UV camera
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C
Both A and B
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D
None of the above
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Solution
The correct option is A Infra-red camera Audit energy is performed to measure the amount of energy consumed by the area. There are various systems and equipment which can be used for the energy audit at home. Blower doors or the infrared cameras are used for the home energy audit. These systems help to know about reducing the consumption of energy and improving the energy efficiency which can be used for heating or cooling of the house.