Everyone in the HVAC/R trade uses some type of torch to braze or solder alloys together. So, what is the proper way to handle an oxyacetylene torch? It turns out that there’s more than one right answer. Depending on which torch rig you use, the manufacturer’s manuals for operation may vary.  Everyone (hopefully) knows […]

Graphic Courtesy of Danfoss On 8/8/17,  the United States court of appeals struck down an EPA phaseout of HFC refrigerants under the Clean Air Act on the basis that the Clean Air Act only gave the EPA the right to regulate ozone-depleting substances. However, many of us figured that the decision was likely to be […]

In residential and light commercial HVAC, we work primarily with PSC (permanent split capacitor) motors. However, it is good to be aware of some other types. PSC (Permanent Split Capacitor) A common medium torque single phase motor with a run capacitor always in the circuit. This type makes up the majority of HVAC motors (condenser […]