Thermosynthetic Life-form

As recommended by another user, on a different question I asked, I pose this new question under the following criteria:

The creature I'm trying to create has evolved, though it may not have been evolving entirely on earth, to use thermosynthesis. Thermosynthesis is a theory that states an organism using heat as a source of energy instead of chemicals or light. This heat may be taken in the form of IR energy.

My goal is for the creature to, as a result of this, rapidly cool and freeze objects in close proximity to it. It is limited in the sense that it couldn't cause freezing if there was more energy then it could use at once.

I feel like, if it were in the desert, it would probably have a hard time freezing something since it would reach some sort of threshold in the amount of energy it can absorb at once.

A problem that I encountered with the question I asked before is, and I think I'm confused on it, that it "takes energy to cause refrigeration." But my thought was that the creature is fueled by the very heat it absorbs, like if a refrigerator powered itself by absorbing the heat from the items in it.

The user who recommended I ask this new question also mentioned "exploiting the difference between hot and cold regions," though I feel as though I don't fully understand that either.

With that background, I now actually ask the following question:

How would a creature evolve to thermosynthesize in a way that froze its surroundings?

posted about 8 years ago

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