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Does turning the air conditioning off when you're not home actually save energy? Three engineers run the numbers

  • Written by Aisling Pigott, Ph.D. Student in Architectural Engineering, University of Colorado Boulder
Does turning the air conditioning off when you're not home actually save energy? Three engineers run the numbersIs it better to cool your house all day, or adjust the A/C setting on your way out the door?Westend61 via Getty Images

Hot summer days can mean high electricity bills. People want to stay comfortable without wasting energy and money. Maybe your household has fought over the best strategy for cooling your space. Which is more efficient: running the...

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