I am looking at adding a gasification wood boiler. I seem them new from $4500 to over $10K. Are some brands better than others?
Take a look at these results: https://www.google.com/search?q=wood+gasification+boiler+problems& Sounds like a nice way to go, provided you do not have smoke problems that some have.
Check out http://nepacrossroads.com/about3081.html and http://www.hearth.com/talk/threads/wood-gun-gasification-boiler-puffing-problem.62539/