Quote:
Originally Posted by retiredguy123
Your friend is wrong. The amount of electricity you use is determined by the total run time for the AC unit. So, increasing the temperature setting for a few hours will reduce the run time and save money on electricity. You may want to consider buying a smart thermometer, like Nest, which is supposed to monitor your activities and automatically adjust the temperture settings to save electricity. I just leave my thermostat at the same setting all the time.
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I agree, homes here are relatively leaky, including heat ducts in the attic, so you spend energy cooling outside air intrusion.
New homes use the Ecobee, you can add sensors that detect when you are away (same with Nest) and raise the temperature automatically when gone a couple of hours. You can use an app to adjust the temperature down before returning home.
Other thermostats use the GPS in your phone to automatically set and reset temperature when away.
Added advantage cooling from a higher temperatures is a longer cycle will remove more humidity.