It can be used to dry age meat and curing sausages among other things. These fridges exists, but they are ridiculously expensive - especially here in Europe where I live.
This involve adding a digitally temperature and humidity controller together with a UV light to kill bacteria to an fridge.If one added a battery, wifi etc. it could report problems (missing power, bad temperature, humidity etc) to owner. If one want to go all in - A camera could be added to record / monitor / live-stream the fantastic process etc.
The Intel platform seems perfect for a project like this and it can involve everything from 3d printing, solding and off cause upcycle existing equipment to IoT.