Is the Green Movement In HVAC Over?

The statistics, if not the hype, surrounding the green movement in HVAC have spread with all the force of a summer heat wave. As of late April, the U.S. Department of Energy reports that air conditioners use about 5 percent of all the electricity produced in the United States, at an annual cost of more
Read more
May 2015 Tech Challenge – Answer

A medium temperature cooler utilizing R-134a with a fixed orfice (capillary tube) feed device has a customer complaint of “warm product.” The symptoms at the convenience store confirm warm product and the condensing unit appears to be cycling on the low or high pressure control. What are the “possible c
Read more