Multiple choice

Which of the following would NOT be a sustainable way of reducing your energy consumption?

  1. Cavity wall & loft insulation

  2. Double glazing

  3. Timed window opening

  4. Solar panels on rooftops
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Opening windows on a timer can lead to heat loss in winter or heat gain in summer, which increases the energy needed for climate control. Insulation, double glazing, and solar panels are standard sustainable practices for improving home energy efficiency or generating clean energy.

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