[ sasabraj @ 03.12.2015. 16:19 ] @
Dakle,18 mjeseci(???) topla voda,temperature do 65 stepeni
Koliko je ovo isplativo?

http://www.ecohome.net/news/la...post-pile-hot-tub-water-heater

https://www.youtube.com/watch?v=f8jN4hipBBI


mini oblik

https://www.youtube.com/watch?v=VloS0ud0i3c