Technicians need to understand the basic electrical fundamentals and how they relate to each other in order to better troubleshoot electrical failures.

Timely refrigeration repairs are crucial to avoid product loss; temporary fixes can sometimes keep systems running until parts arrive.

The first time a technician has to tackle a ductless mini-split can be nerve-racking, but by following these 10 tips, the job can be done without all the anxiety.

Troubleshooting PSC fan motors is a common task for service technicians, and failures tend to be either electrical or mechanical.

For technicians who run across older furnaces where air conditioners were later added, it pays to know how a fan center operates.

Troubleshooting refrigeration systems can be complex and frustrating, so put aside any assumptions and inspect the system thoroughly before making any diagnosis.

To help the industry better promote geothermal heat pump technology, it first needs to have an understanding of exactly what is going on during its heating and cooling process.

The EEV is often used in modern refrigeration systems, but troubleshooting its common failures may be complicated.

Keeping a refrigeration system clean and dry by changing the liquid line drier can be the least expensive insurance against compressor failure.