The best winter thermostat temperature? Set your heat to this number.

But there's a magic number that the U.S. Department of Energy says is optimal for home heating in the winter: 68 degrees when ...

The One Thermostat Setting That Will Save You Money All Winter Long, HVAC Pros Say

Setting the thermostat to 68 degrees Fahrenheit keeps the home warm enough to counteract any heat loss through the windows, ...