It is really just a steel box inside of another steel box.
Build your own outdoor wood furnace.
First you ll choose your product series.
Outdoor wood boiler heating system.
To start there needs to be 3 pieces of 1 2 steel laid out for the bottom of the furnace.
Build your own outdoor wood boiler kit.
The g series is a line of epa phase ii certified outdoor wood stoves suitable for heating a residence or shop.
This item diy kit build your own wood boiler or furnace db100 dragon breath heater 100 000 btu side arm heat exchanger 38 double wall fin heat exchanger fin enhanced stainless steel 304 3 4 water heater 1 mpt 18 500 btu hr.
You can certainly build a clean burning outside wood burning furnace given access to the right materials and sufficient welding skills.
A homemade outdoor wood furnace can be made very simply and run off a small duck fan that is inside the ducking.
Build your own outdoor boiler here.
Remember that welding such thick materials is quite different from welding 1 8 steel because proper penetration is paramount to your success.