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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Only 20 percent of homes built before 1980 are properly insulated. You can increase the comfort of your home while reducing heating and cooling needs up to 10 percent by investing in proper insulation and sealing air leaks.
Source: U.S. Department of Energy