Moreover, what exactly is the life support system doing that means near-instant death if you turn it off? Breathable air and heat should last for hours at least.
Exactly.
Not only is the power requirement pretty low in comparison, but the system should also show a really sluggish response, especially when considering the sheer air volume of the Enterprise.
Biggest issue would probably be heat buildup after some time
Moreover, what exactly is the life support system doing that means near-instant death if you turn it off? Breathable air and heat should last for hours at least.
Exactly.
Not only is the power requirement pretty low in comparison, but the system should also show a really sluggish response, especially when considering the sheer air volume of the Enterprise.
Biggest issue would probably be heat buildup after some time