We've only had Air cooled, so can't make a comparison... But our 2 cu/ft (interrior) fridge, super insilated using vacuum panels
, to = 7" of foam. has made our air cooled Sea Frost, (enclosed, 12V, AIR cooled unit) a perfect compressor choice for us. We did add insulation
to the elephant trunk ducting in and out, and an extra muffin fan on the end of the exhaust
hose. In a moderate climate it uses about 20 A/H per day, or less. In The heat of a Rio Dulce, or Trinidad summer, more like 30...