Place a thermometer inside a glass of water, place the glass on the middle shelf of the refrigerator and let it sit for at ...
The National Sleep Foundation recommends setting your thermostat to between 60 and 67 degrees Fahrenheit at night for optimal sleep. The U.S. Department of Energy’s guidelines fall pretty much in the ...
The U.S. Department of Energy says there's a magic number for optimal for home heating and energy savings in the winter.