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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A change for savings
A clean air filter can reduce energy costs
Maximize your heating system’s performance by inspecting, cleaning or replacing air filters once a month or as needed to reduce energy costs and prevent potential damage to your system. Make sure radiators, baseboard heaters and warm-air registers aren’t blocked so air can flow freely.
Source: energy.gov