Funnily enough, i have a button that makes energy go up and temperature go down!

I agree with the comment saying it needs more information for the player: it could be fun figuring out what the threshold are, but something should change on the screen as you approach either freezing or boiling temprature. Something as simple as an alert message popping up could do the trick!

The concept is good but the implementation is a bit too simple to be engaging, more player feedback would help as it's unclear how close you are to freezing so you have to either just take a guess at how low you can let it get it just lose once to find out.