There seems to be a lower size limit for conventional, compressor-based refrigeration. The result is that portable cooling devices are always simple fans, or at best, evaporative cooling units. What prevents conventional refrigeration and air conditioning from working at sizes much smaller than a dorm refrigerator?
In: Technology
The HVAC system in a modern vehicle is not only portable, it’s about as small as practically feasible. The compression required by the system demands a fairly strong power source to drive the refrigerant pump. It’s not just a fan.
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