Word Salad. When “Balloon Test” is used, I just made it up to give a visual aid to how Dakota Stove (the patented technology) has an advantage over other solid fuel heating appliances.  The use of round/circle baffles and the vertical cylinder shape are one of the most visual differences from other heating appliances. More salad…  I have said, “It does not matter how the stove looks because YOU look smart by owning it.”

 Convection only happens when a surface is contacted. So, flue gases have to touch a surface in order to give off/exchange heat.

More testing needs to be done to verify all the benefits. After I have burned my stove in my home for many winters as a primary heat source, I am confident that this design will have much to offer for biomass heating appliances.


This is a cut away of a combustion chamber that would be used in a Dakota Stove (indoor, wood furnace, cord wood fuel).

This picture shows two baffles but that is only the start. The “Combustion Chamber Design/Heat Transfer Design” can have 2 baffles or 20. Passing each baffle (restricter plate) heat is transferred to the firebox and when reaching the flue, that is the center of the firebox, temperatures are greatly reduced.




This is a rectangular indoor wood furnace that I used to use before I built… INVENTED…  a better heating appliance.  I easily had flue temperatures over 1000 degrees fahrenheit (538 ÂșC) with this other company’s furnace.




Almost Completely Unobstructed – Convection Heat Exchange is Minimal




Having an equal gap 360 degrees is the key!

  I believe a horizontal cylinder is just a rectangle when it comes to putting a round baffle inside.