Journal

Ondol The Ancient Secret of Heating

Graphic of Ondol which is a Korean traditional underfloor heating dating back to circa 5000 BC

Ondol is a Korean traditional underfloor heating dating back to circa 5000BC, in modern usage it refers to any type of underfloor heating, or to a hotel or a sleeping room in Korean style.
So whats the future? we believe its wundatherm, see our video below to find out some interesting facts about Ondol underfloor heating.