I have no idea if this is a proper place to seek this information, but after Googling for suitable forums, this is the best I could attempt. I'm converting an interior coat closet to a very small wine ...

I'm considering building a reasonably large peltier-based cooler for camping purposes. Has anyone messed around with these? I'm considering using either 2" or 4" of blue foamboard insulation (R10 or ...