Once I realized that money was going to be tight a few years ago, I decided that it might be in my best interest to actually learn how to program my thermostat. Instead of guessing and then adjusting the thermostat blindly, I actually read the user manual to figure out what all of those extra settings and numbers meant. When I was finished, my thermostat kept my home at the perfect temperature. Also, when the bill finally came in the mail, I was impressed to see that I had slashed my usage, which had repaid me with a little extra cash. Check out this website if you want to find out how to program your thermostat and use your HVAC systems more effectively.