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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Change your filter for savings
If you aren't regularly changing your HVAC filter, you could be losing money
Routinely replace or clean your air conditioner’s filter. Replacing a dirty, clogged filter can reduce your air conditioner’s energy consumption by 5 to 15 percent.
Source: energy.gov