I definitely have, and I wouldn't use an electric furnace nowadays unless there was no alternative. That's what the 'I'm kidding' was meant for. Sadly, heat pum

I definitely have, and I wouldn't use an electric furnace nowadays unless there was no alternative. That's what the 'I'm kidding' was meant for. Sadly, heat pumps can't mine Bitcoins on the side afaik, so I couldn't use those for the analogy :P