Since I started in the trade, we would take discharge line temperature in the winter on a heat pump system. You can easily check the discharge line in the winter, while suction superheat and even subcool can be more difficult to access. The old-timers who trained me would say that the discharge temp will be […]

If you own an HVAC or refrigeration business, there may be times when you think giving a discount might be the right thing to do. Maybe you have a friend who’s having a hard time and suddenly has an evaporator coil leak that needs attention. You may consider offering him a discount to help him […]

Two days prior to this article being published, I sent one out about the popular fallacy that nitrogen “absorbs” moisture. That tech tip went out at 7 PM eastern time like usual, and I was sitting on the couch watching something on the Food Network (as usual). At 7:10 PM, I get a call on […]