Energy Star, the federal program from the department of Energy (DOE) and the Environmental Protection Agency (EPA), said the coolest you should keep your home is 78 degrees when you’re home.
Not only that, but when you’re at work or away, the program recommends setting it at 85 degrees. When you’re sleeping, Energy Star said to set the thermostat at 82 degrees.
A Tampa TV reporter tweeted out the story, and the answers were pretty funny.
More here.