How Many Evaporator Fans Does A Refrigerator Have?

How Many Evaporator Fans Does A Refrigerator Have? While yet other refrigerators have only the one evaporator unit but two fans, one in the freezer compartment and one in the refrigerator compartment to circulate the cold air to maintain the temperature. Do all refrigerators have evaporator fans? Many older refrigerators and most small refrigerators (like