Bitcoin Miners Are Heating Homes Free of Charge in Frigid Siberia
https://www.coindesk.com/bitcoin-miners-are-heating-homes-for-free-in-frigid-siberia

An article with Oles Slobodenyuk, CEO of Hotmine, also there is Insider photo of Smart-Mini convector, one module convector and other interesting/usefull information on CoinDesk. Check it!)