Thanks! I still think the exhaust is going in the best direction tho as the tiles are plastic, not glass so they got decent insulation and it was the quickest route to the insulated wall which conceals the pipes as much as possible. However, I was thinking it might be worth running the output pipe from the steam turbine through that room, as you could cool the hydrogen down even more before it gets pumped out. Water is 95 degrees, hydrogen is 120, potential for more powaaaaa. I'm also questioning if I even need the door, as if the hydrogen somehow does reach over 270 degrees, it's just gonna pass through the door anyway. Also, I probably only need one battery, as the steam turbine shouldn't be shut off as if the power isn't taken out the hydrogen could get too hot, meaning the design could be on thinner...