Jenn Air Vs Sub Zero Refrigerator . We will have to test both. According to yale appliance, jennair refrigerators have a 55.16 % service rate. Jennair JSC23C9EEM 72" Counterdepth Freestanding Refrigerator Euro from www.plessers.com Both venting systems average about 400 cfm and they also both offer lighting and stainless steel interiors. We will have to test both. Creates two climates, ideal for the differing preservation.