That's (a bit more) Survival
At first: SE has made a big step to become a "survival" game. Really nice.
I understand that the suit needs more power in heatless areas. Life support is a real power guzzler. I love it.
But let me suggest to add some "batterypaks" you can craft to get more power with you for the suit. It's the same procedure like hydrogen- and oxygenbottles. It increase your H2/O2 but decrease your free space from character a lot.
Maybe you can recharge the batterypacks at a large/small-grid battery (not small battery) and or at the other powergenerators.
Oh yeah. And one thing that it needs to become a "real" survival game: Food/drinking (hunger/thirst) and maybe that you have to rest sometimes. I would welcome such a feature.
Keep it up and and thanks for the effort to read my feedback.