First, here's a quick summary of the role of oil in the refrigerant circuit: The compressor requires oil for the lubrication of the moving parts in the compressor. We would keep 100% of the oil in the compressor if we could. However, that is generally unrealistic. So, we need to utilize oils and oil strategies […]

There's a moral to this story, though it is a bit more of a cautionary tale than most I write. While it doesn't rank with the story of three wise men or even Frank Capra's Christmas classic “It's a Wonderful Life,” you may find some common threads with both learning wisdom and remembering why throwing […]

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 […]