Most people "over-cool" when using an air conditioner. For every degree you raise the setting, you save 3-5% on the cooling cost. People generally cannot notice the difference of a few degrees. 
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To take this action, just set your air conditioner(s) 4 degrees higher than your current setting, or to 78 degrees. If you use your air conditioner(s) for 3 months in the summer, you will save 60 pounds of CO2. Enter the number of months you use air conditioning in the box below to see your savings.<br><br>
<li> If you have an old air conditioner, it is inefficient. Consider replacing any old air conditioners with new EnergyStar units. (See the separate action called "Buy an EnergyStar air conditioner.)