So after I put all the money into building this thing I would have been better off buying a chest freezer, but here's what I've got.
Big insulated box
1.5" PVC pipe insulated inside of 3" PVC pipe going between fridge and box
CPU processor fan controlled by love controller
The plan started with the 'son-of-a-fermentation chamber', but I didn't want to change out ice, and I wanted something to fit 3 buckets or carboys. My wife stopped the idea of pulling the coils and compressor off the fridge, so I decided to pipe the fridge air to the chamber with a small fan. If it works, I'll have a fermentation chamber and a beer fridge. If it doesn't...it was a thought. Just turned on the fridge to see what happens to the chamber temp without the fan running, then we'll see what temp it can hold in there...I plan on putting in a return-air pipe back to the fridge as well.
I'd post pics but I'm unable to...updates to follow.
Primary: 20 min IPA (14oz cascade/5gal), partigyle pale
Bottled: Orange Cream Ale, Big Red Ale, RIS, American Stout, Nut Brown Ale, American Amber Ale, Brown Porter