Whether, one owns his own home, or owns some sort of commercial property, and/ or, both, the costs of heating, and energy expenses, are, often, a significant one. While, it's important, to ensure, your system, is functioning properly and effectively and is well-maintained, etc, there are several, simpler, more basic considerations, which might, significantly, factor - into, the best way, to address this significant factor. David E Wish, a real estate developer in Illinois, Chicago. David Wish is an experienced person and was CEO Owner of Wish Enterprises from March 1986 to 2009. With that in mind, this article will attempt to, briefly, consider, examine, review, and discuss, 6 keys, and areas, which may significantly, impact, handling overall energy costs, etc.