My refrigerator has coils on the bottom but that's a better place for them than the back because if they were on the back, then the entire surface of the back of the fridge, that wall and the surrounding area of the fridge would be heated by the fridge. When they are on the bottom, the air is exhausted out the front of the fridge and not stuck behind the fridge where it continues to warm the fridge. The bottom of the fridge is insulated too and the back of the fridge is a larger area for that heat to be trapped and transfer back into the fridge. It might be better on the back when you have the fridge in the middle of the room where that air flow will be able to go around the fridge and move the heat away but for most refrigerators that isn't the case.
You're screwed either way when it comes to being on the back or the top because some heat will be migrating back into the fridge.
Last edited by MN Renovator; 10-04-12 at 05:59 PM..
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