According to the U.S. Department of Energy, 78°F is the recommended setting for staying cool while saving energy when you're home. If that feels a little warm to you, even raising your thermostat a few degrees from your usual setting can still lead to savings. Each degree can reduce cooling costs by about one percent over an eight-hour period.
Air conditioning can account for 40% to 60% of your unit’s total energy consumption during the hot summer months, so how you manage it really matters.
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