I have heard that Finnish saunas are not mixed, is this true? Can I be in a mixed sauna with opposite gender in Finland? If so, what are conditions? - Quora
Itse tehty kiuas ei sovi kokemattomalle - tällaisen teki raaseporilainen Tony
Harvia - Sauna calculator | Harvia
Maxi-IKI Plus | Big sauna stove for 20-30 m3 saunas | Ikikiuas