Finnish Masonry Stoves

These are very popular in Northeastern Europe and Russia.

Masonry Heaters: Origin And Function

My Finnish Masonry Heater in Action - YouTube

The Masonry Stoves of Europe gain foothold in States

Construction:
Masonry Heater 1

 

Thanks for sharing this age old technology!

 

russia has some nice ones too
and the state of missourri has some detailed plans on making your own

 

Glad to share. I have a friend in Finland and the masonry stove is their heat. Same as us; they lose power in winter. They can cook traditional food using the stove.

This is traditional styling and is similar to theirs:
Muuraus Janikka Oy - Leivinuunit

Although this site is in Suomi; the cutaway illustrations explain how it works.
Unelma Uunit