Hi, thanks for your comment! I have a hot air furnace. I do not have propane - I have an electric stove and electric hot water heating. My electric bills have never been much of a concern to me (about 150 max/month). I wash on cold and take short showers so that's probably why.

I'll look into propane, one of my neighbors has a propane furnace. Maybe they can clue me in on costs, if they don't consider that too nosy. Thanks!