How to build a tub:
The wood-fired hot tub
With a TÜNNI (hot tub), your leisure time takes on a whole new form. Bathing in the Summer or the Winter, no matter the weather, it is possible. The combination of the warm water, the open air and the atmosphere takes you into a whole new world. A Tünni is environment friendly because it requires no chemicals or electricity. The water is heated by means of a stove. A Tünni is an excellent product, durable and of a high quality.