Next time those fake Green people have a go at you for supporting the energy-wasting bitcoin, you can hit back at them by pointing out that their heating system is wasting bitcoin mining capacity.
Check out these space heaters, they are as efficient as any other electric heaters and they mine bitcoin for free!
heatbit makes such a machine. Check it out. I can't afford a miner anyway but maybe you can. Use referral code clickforcharity and we'll get 5% and you'll get 5% off.