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Trouble Free Expansion Valves at Start-Up

Learn about the underlying issues with most problems involving expansion valves that are rarely the result of defects but instead from system contaminants.... Read More

Best Methods for Refrigerant Leak Detection

Listed below are the most common refrigerants you may encounter as a Service Technician, arranged in groups.CFC Chlorofluorocarbon R-12, R-502 (Phased out)HCFC Hydrochlorofluorocarbon R-22, R-401A, R-401B, R-402A, R-402B, R-408A,...... Read More

Step by Step Guide to Refrigeration Leak Detection

Current EPA regulations recommend and/or require leak detection and repair when it has been determined that a system is losing refrigerant.  This 10 step guide to refrigeration leak detection...... Read More

New DOE Regulations for Refrigeration Products

With the EPA issuing of its final rule on delisting select HFC (hydrofluorocarbon) refrigerants on July 2, 2015 many questions are being asked: What direction are equipment manufacturers and...... Read More

Refrigeration System Installation Defrost Schedule Tips

Defrost schedules are important to knowing how to properly install and maintain a refrigeration system. A proper installation and defrost schedule will help you maximize system performance, keep thewalk-in...... Read More

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