How many does it take to change a light bulb?
Five: One to replace the light bulb, and four to play sad songs about how the old, inefficient bulbs went away, and maybe they weren’t so bad after all.
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Five: One to replace the light bulb, and four to play sad songs about how the old, inefficient bulbs went away, and maybe they weren’t so bad after all.
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Staying in hot water
Insulating water pipes can mean big savings
Consider insulating your hot water pipes. Doing so can reduce heat loss, allow you to lower the temperature setting and save an additional 3 to 4 percent per year on water heating.