How many blues musicians does it take to replace an inefficient light bulb with an energy-efficient one?
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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Check your water heater thermostat. Many manufacturers set thermostats to 140 degrees, although most households only need a setting of 120 degrees. Each 10 degree drop in water temperature can save you between 3 and 5 percent in energy costs.