Here's something you may not have thought about before: how do you test the efficacy of an air conditioner? Air conditioners are surprisingly complex pieces of technology, as they need to carefully ...

EPA has again revised standards for refrigerant used in vehicles. R-12 refrigerant (aka “Freon”) was the go-to coolant for more than 50 years. Then it was discovered that chlorine atoms in escaped ...

While troubleshooting small-capacity refrigeration systems, a technician should not be too quick to attach refrigerant gauges to a system. Small systems normally hold relatively small amounts of ...

• The need to have the old refrigerant reclaimed and the new refrigerant added by a certified A/C-repair shop This month we will provide you with detailed troubleshooting diagnostics using the ...

Recovering refrigerant from HVAC and refrigeration systems is an important day-to-day task for HVACR technicians. With the recently announced the U.S. Environmental Protection Agency (EPA) phasedown ...

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