I've been following this series of posts, and decided I would post up here about it:
Tip #2: Turn your thermostat down 3 degrees | I Will Teach You To Be Rich
The goal is to cut $1000 of expenses out of your life by following the daily, in depth posts on saving in certain fields. Pretty interesting stuff, including #2, which I linked above. I'd have to turn the thermostat down to 63, though!
. I'm going to count that one as already done.