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Refrigeration

The power of digital integration

By Heather Wilkinson In response to the urgent global need to meet climate targets, there is a clear emphasis  on reducing energy demand, with industries actively pursuing reductions. However, the refrigeration sector has not fully recognized the potential for substantial energy benefits. It is necessary to overhaul both conventional…

Key Safety Protocols – Part II

By Phil Boudreau As discussed in Part I in Mechanical Business Jan/Feb 2023, workplace accidents are frequently the result of taking shortcuts and/or using tools incorrectly and/or ignoring safety controls. The following are additional safety considerations when working in the field Hot and cold surfaces The…

Key Safety Protocols – Part I

Workplace accidents are generally the result of taking shortcuts and/or using tools incorrectly and/ or bypassing safety controls. It is the responsibility of all technicians to ensure work is done in a safe...

Top 5 questions of 2022

Refrigeration pros want to know – in this issue I provide answers to the questions I was asked most often during the past year. The questions and answers are not in any particular order...

Working with R400-Series Refrigerants

Approximately 30 years ago, several refrigerants emerged as alternatives for chlorine-containing CFCs. Just a few examples of some of these alternatives are R401A, R401B, R402A, R402B, etc. The majority of these refrigerants were in the R400-series category and are also referred to as zeotropic refrigerants...

Subcooling low temperature refrigeration circuits

By Phil Boudreau Subcooling is simply the process of reducing the temperature of the refrigerant below its saturation temperature. Natural subcooling takes place as the cool ambient temperature or cool fluid temperature enters the condenser and removes additional heat from the already condensed liquid. Mechanical subcooling is a…
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