Setting your thermostat to a colder setting than normal when you turn on your air conditioner will not cool your home any faster and could result in excessive cooling and unnecessary expense.
Source: U.S Department of Energy
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Keep It Clean
Ensure these items are far from your thermostat
A dirty filter causes your air conditioner to work harder than necessary. Remember to change your air filter every month (or every two months) to prevent dust buildup, which can lead to even bigger problems.
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