Which of the following is NOT a no-cost way to conserve energy?

Question

Quizplus · Accepted Answer

Insulating hot water pipes may require purchasing materials or hiring a professional, therefore it is not a no-cost way to conserve energy. The other options listed do not require any additional expenses. A and B, washing clothes in cold water and taking shorter showers, both use less energy than using hot water or taking longer showers, respectively. C, closing the fireplace damper when it is not in use, prevents warm air from escaping up the chimney. E, lowering the thermostat, reduces the amount of energy needed to heat a space.

Which of the Following Is NOT a No-Cost Way to Conserve