In my home we use propane for our furnace. Eventually our plan is to buy/install a propane-run generator. Then we'll be self-sufficient heat-wise. The propane will provide the electricity to run the propane-burning furnace.

Of course that will only last as long as the tank (pretty big) or as long as we can get deliveries. Where I live the propane will probably last longer than burning wood would. (no wood to speak of on my small acrage "gentleman's" horse property.

Maybe you could get install a small propane furnace in-line with your current furnace - whatever it is (electric or natural gas), though I'm not sure how cost effective that would be.

Ken K.