A federal program recommends people keep their homes between 78 and 85 degrees, and the internet is freaking out.
The guidelines come from Energy Star, a government-backed program to promote energy efficiency, and they've sparked a fiery debate on social media.
The program suggests different settings to automate at various times: 78 degrees when you wake up, 85 degrees during the day and 82 degrees when you're sleeping.
Energy Star says homeowners can save about $180 a year with a properly-set programmable thermostat.
The US Department of Energy also encourages homeowners to keep their thermostats at 78 degrees when they're home.
"Set your thermostat as high as comfortably possible in the summer," the energy department explains on its site. "The smaller the difference between the indoor and outdoor temperatures, the lower your overall cooling bill will be."
But while some studies have shown higher daytime temperatures help improve productivity for some groups, higher thermostat settings overnight could interfere with getting a good night's sleep.
A room somewhere around 65 degrees makes for the best sleep,according to the National Sleep Foundation.
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