Quote Originally Posted by Whacker View Post
I have been told in the past by several folks that you don't want to let your thermostat differential be greater than 5 degrees. The reason being it takes more energy to make up the difference in an average insulated house than it does to simply maintain the greater temperature.
I read on the website of our gas company that that is a myth.

But then again, it's the site of the guys making money out of selling gas, so maybe not the most reliable source