Do your family wear jumpers indoors during winter?

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* 2. Do your family wear jumpers indoors during winter?

Do you leave lights on when no-one is in the room?

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* 3. Do you leave lights on when no-one is in the room?

Please estimate the age of your main fridge or fridge/freezer

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* 5. Please estimate the age of your main fridge or fridge/freezer

Please click all that apply in your home:

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* 7. Please click all that apply in your home:

What type(s) of lightbulb do you use at home?

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* 8. What type(s) of lightbulb do you use at home?

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