Hi, I am looking to find out a easy way to build a forced air furncae out of a old Lp (Propane) Tank. I was looking at some of the commercially made models like "Lil House outside wood heater" I am wanting one that only heats air and NOT water. How easy would it be to build one? Any ideas on it? Plans? advice? Comms? This is going to be installed at a cabin we own. Curently we have it set up on Propane (Propane wall heaters) I have access to LOADS of free wood and lumber pieces to throw in it. I am wanting something that is located outside fairly close to the cabin and have it connected with vent pipe and a blower. The cabin is concrete brick walls so the location is not a huge issue. The LP tank I will be using has already been flushed out and cleaned of any LP gas and is ready to cut and weld when I can get the plans. Looking for a low cost option I could gather the parts up here and there then weld myself. I have some experience with Mig Welding. Thanks.