HVAC&R Nation

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October 2007

 

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Supermarket refrigeration going natural

(full article)

In 2005, Coles Supermarkets opened its first 'environmental concept' supermarket featuring a cascade carbon dioxide refrigeration system. Two years on, the technology has undergone significant improvement to better serve the local market, while internationally it promises to receive widespread adoption by the world's retail heavyweights, as Sean McGowan reports.

 

Skills workshop: System evacuation (Part 2)

(full article)

In last month's skills workshop, HVAC&R Nation examined the problems caused by moisture in refrigeration systems, the effects of pressure and the need for system evacuation to remove moisture.  This month, we look at how to select a vacuum pump and use it to evacuate a system.

 

 

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