I have no idea what fins and fans mean in this instance. It's a fridge, in a very small space. Will those help efficiency? I mean, I imagine they will, but in

I have no idea what fins and fans mean in this instance. It's a fridge, in a very small space. Will those help efficiency? I mean, I imagine they will, but in practice, how do they work? I want to move away from freezing so much meat ideally, but this might be a step. I was getting sick of the taste of Novell employees.