How dependable do you see your electric grid to be in the future? In most cases, electric space heaters are much more expensive to operate than gas. There are calculators on line where you can estimate your costs each way. Dependability and operating costs would seem to be at the top of the list.

We have a geothermal system and a couple of propane space heaters. We LOVE the propane space heaters. They really warm our old bones and do it quickly.