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PCM-based system cuts energy use by 27% in frozen-foods warehouse

Ben Welter - Monday, April 24, 2017

Viking Cold Solutions systemFrozen Gourmet Inc., a wholesale distributor of premium ice cream and other frozen foods, says a PCM-based thermal battery system has cut energy consumption by more than 27 percent in the company’s freezer warehouse in Redding, Calif.

The Viking Cold Solutions system, installed at the end of 2016, features hundreds of plastic bottles filled with a salt hydrate solution. The bottles are suspended from the ceiling of the 7,900-square-foot warehouse. The phase change material solidifies when the warehouse chillers are running. The PCM absorbs heat as it melts, allowing the chillers to run less frequently and still keep the warehouse within a few degrees of the target temperature, -14º Celsius. 

Shifting demand to off-peak hours can result in significant savings on electricity in California, where daytime demand charges are common. The Viking system also includes intelligent controls and sensors to optimize energy use and alert managers to temperature abnormalities, equipment failure and power outages.

"We searched for a year to find the right technology to reduce our energy costs and decided to purchase the Viking Cold TES system after seeing the capability and flexibility the system provides," said Bill Kohn, CEO of Frozen Gourmet. "The reduction in energy consumption has improved our bottom line and the real-time monitoring has been invaluable in helping us recognize and address equipment issues before expensive problems arise."


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