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Psychrometrics for Fun and Profit w/ Jamie Kitchen
In this episode we talk humidity, dry bulb, wet bulb, grains of moisture, enthalpy, weather and so much more.
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How a Heat Pump Reversing Valve Works
If you don’t have a gas furnace or fireplace in your home, your unit’s reversing valve is probably your best friend during the winter months. As their name suggests, reversing valves reverse the refrigerant flow to send the hot, compressed vapor to the indoor coil instead of the outdoor coil. The system releases heat into […]Read more
Checking the Charge on a Heat Pump in the Winter
When you ask many people nowadays how to check the charge on a heat pump during low outdoor temps, they will say that you need to “weigh in and weigh out” the charge. While this may be an effective method, it isn't always practical. Now, if you are making a refrigerant circuit repair, weighing out […]Read more
Troubleshooting For HVAC/R - The Don't List
This article is the second in a 5-part series by Senior Refrigeration and HVAC tech Jeremy Smith. The Ground rules I've spent some time thinking about troubleshooting and the processes and procedures that I use to find problems. Not the “why isn't my air-conditioner running?” problems, but the “Things just aren't quite right”-type problems—the really […]Read more