Question

Which action would help an air-conditioner use less energy on a hot, sunny summer day? i) Opening draperies and blinds ii) Replacing light-colored roofing materials with dark-colored ones iii) Turning on lights and heat-producing appliances iv) Adding insulation in the walls and ceiling

Answer 1

Answer:

Adding insulation to the walls and ceiling.

Explanation:

U will be thinking that insulation will increase the heat but if we see the real meaning of insulation then it doesn't permit much temperature change.

This means that if the room is cool then it will remain cool for a long period of time as the insulation traps the cold air inside.

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