I haven't attempted recently but last winter I could not find a single hashboard at a half decent price Philip. I'm in the UK, do you have a recommendation?

Someone needs to make a system that can plug one of these 1PH models into new or existing heating/radiator systems. That's the future! Offset your heating bill with bitcoin mining profits

Canaan are on the right track for this but they're implementing older gen chips around the 20J/T range