The 'Qarnot QC1 Crypto Heater' is an energy efficient way to warm your home, but it's also a way to make some extra money, since the heater is actually a cryptocurrency miner. C1 can mine Ethereum for you while heating your living room. The setup is straightforward, which involves just connecting your mobile to the device and providing the Ethereum address in the app. You passively earn cryptocurrencies by just turning on your QC1 Crypto heater in the comfort of your home. QC1 has 2 graphics processors: SAPPHIRE NITRO+ RADEON RX 580 8G GPU. The QC-1 will mine the most profitable cryptocurrency among 3 predefined assets, and will be ready to update mining software to follow market changes. With a Ethereum mining power of 60MH/s, the heater will allow users to generate an estimated 100€ per month at current rate. Heating becomes a source of revenue instead of an expense and at the same time use the energy produced by servers for free sustainable home heating.