Replace your paper charts with this convenient and easy-to-use digital tool. The YELLOW JACKET Digital Refrigerant Pressure Temperature chart provides accurate pressure and temperature references for ...
The dire ramifications of under- and overcharging an air conditioner or heat pump were covered last month ("Using the Superheat Method to Charge A/C Systems," The News, Aug. 13, page 1). The first ...
As useful as refrigerators and air conditioners are, the gases they use as refrigerants can leak into the atmosphere and become major contributors to climate change. Now engineers at Harvard have ...
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