Depends on where you live, but round here, I use both the GPU mining rig and the home server (Dell R630) to heat my basement. For >70% of the year I would be ru

Depends on where you live, but round here, I use both the GPU mining rig and the home server (Dell R630) to heat my basement. For >70% of the year I would be running electric heaters down there anyway, so it's "free" electricity.