“Haven’t you heard?! Air conditioning is a fundamental human right! If you don’t support my right to have air conditioning 24/7, then you’re an awful human being!” Okay, that impression of an entitled customer is a bit of an exaggeration, but it is true that customers have high expectations for service workers.  But can we […]

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 […]

How many times have you looked at the bottom right-hand side of an evaporator coil and seen all sorts of rust, even on a fairly new coil? You may have noticed that many evaporator coils and even some condenser coils will start to corrode where the galvanized steel endplates touch the copper u-bends of the […]