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20July 2016

How to Control Electric Defrost

By | July 20th, 2016|

In an earlier blog, I spoke about why coolers and freezers need a defrost cycle so that the systems work properly.  So how does the refrigeration system know when to go into defrost and, just as [...]

18July 2016

The High Cost of the Coldest Beer in Town

By | July 18th, 2016|

We Americans have a thing for “the coldest beer in town”. Just go to England for a long draught of a pub’s typical fare to see what I mean. I can still manage to get [...]

14July 2016

ECMs and Beyond

By | July 14th, 2016|

More than half of the energy consumed by buildings in the U.S. is used by electric motors. Refrigeration systems are dependent on motors to operate fans in both condensing and evaporator units. The evaporator fans [...]

12July 2016

Components of a Refrigeration System

By | July 12th, 2016|

In order to understand how to save energy with a commercial refrigeration system, you need to know a little about the technology involved. A commercial refrigeration system usually will be custom-designed by a refrigeration engineer [...]

5July 2016

A Comprehensive Approach to Refrigeration Efficiency

By | July 5th, 2016|

"Later" can become never. If some energy-saving opportunities are saved for another day, it is likely that simple inertia will prevent that day from ever coming at all.  Moreover, those lost days are savings that [...]

29June 2016

Do Door Heaters Need to Run All the Time?

By | June 29th, 2016|

The reason for the powerful heaters on most reach-in cooler and freezer doors is to prevent fog or condensation on them. When the glass in those doors becomes fogged, the products behind are less visible [...]