Tech Challenge May 2019

Tech Challenge May 2019

A commercial rooftop utilizing R-410A with a TXV feed device(and receiver)has a manager complaint of “no cooling.”The symptoms confirm inadequate cooling and the condensing unit and blower appears to be running all of the time and the thermostat is not satisfied. What are the “possible causes” (Note: Th...
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Building a Service Department

Building a Service Department

As the Service Manager for Walton and Company, I handle the preventative maintenance (PM) sales, overseeing 100 individuals in our team. Walton is celebrated its 30th anniversary this April with our 240 employees in construction and engineering, along with service. Currently we do 450 service PM contrac...
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