Is it best to turn my thermostat off if I travel?
No. In the winter you need to maintain a minimum house temperature of 55 degrees. This will help to insure that your pipes will not freeze. In the summer time you will want to control the humidity in your home so that mold does not grow and any hardwoods in your home do not become warped. During the spring and fall seasons it is probably ok to turn your thermostat off.