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Parallel compressor refrigeration racks have been the primary source of refrigeration for the grocery store industry over the years. In this article I am going to go over the benefits a parallel rack system can offer the commercial and industrial refrigeration markets.

A thermostatic expansion valve (TXV) is designed to maintain a specific amount of superheat at the outlet of the evaporator. If the superheat value is too high or too low, the TXV may be the cause. However, before deciding the TXV is defective, all other system causes must first be investigated and ruled out.

Hospitals today are increasingly being challenged by rising patient infection rates, especially from superbugs such as Methicillin-resistant Staphylococcus aureus (MRSA). And the challenges are only going to increase as new Medicare rules go into effect in 2017 that will include MRSA in all reimbursement calculations.

Habits can be a trap for people in leadership positions. As leaders, they should provide a compelling vision that inspires those around them. Instead, many of them lapse into automatic thinking. And that can affect every decision they make — and the actions of the people who report to them.

Looking back on a refrigeration technology career stretching over six decades, Lynn Dison, an applications engineer with RAE Corp., said that he knew from the very start of it all that he would be at home in the industry for his entire career.

Bob and Tim had just finished a routine service call on a house with a gas furnace for the heating system. They were talking to the housewife when she asked: “Our house is very dry in the winter time, and the humidity must be very low. How can we put a system in this house to keep the whole house at a higher humidity level?”