You might check out the infrared heaters.  No hot surfaces, and will heat your house really well, and hardly any draw on electricity! 
  My neighbors in Montana have them.  I am going to get some for my house, when I get back out there.  I didn't get any before I left, and wish I had.  My electric bill went up, with the wall heaters going all the time to keep the temp above freezing.  I have the fan on, and so far the temps. only been around 40 or so, inside the house.  I had winterized the house, and shop before I left.  But check out those infrared heaters.  I think Sportsmans guide sells them also.
                         
                                                                                Wayne
I know several people that swear by these little heaters, it might be worth your time to look at them. I don't know but I have heard that the more elements it has the better and more efficient it heats. I would check that out before making my decision on one of these heaters