This is a great time of year to improve the energy efficiency of your home. Cooler weather makes it a great time to get up into the attic, if needed, and to work around the exterior of your home as well.
The link below is a great article from M & M Roofing, Siding & Windows. This article has some great tips! Many of these tips are simple and cheap as well! There are also links within the article to other helpful web pages. With just a few simple fixes, the saving can really add up!