One of our customers is a plumbing outfit. They had a solar panel in their dispay the other day, so of course i was curious, given our region isnt solar goodwell. This thing is big ish, like 4x4x4. But for standby generator, condenser and grid tie back controller (no batts or panels) 27kw 10k didnt seem terrible. I forgot the btu potential on the codenser, i assume it matyers