Okay, with the predicted fuel prices, we are seriously thinking about a wood furnace to suppliment our heating. Currently we have forced air, not sure of the size but I was told by the guy who does our annual service that it is a bit undersized. The house is roughly 1900 sq ft and the furnace is 105,000btu. I have been looking on the net and found these... http://www.vogelzang.com/Norseman2500.htm http://www.barbecues.com/web/catalog...spx?pid=187795 http://www.englandsstoveworks.com/28-3500.html What exactly would be involved in installing something like this? Is it something that would be worth installing? FWIW, we will have all the hardwood we could want from my father in law.