Although there are various line lift, sizing, and trapping guidelines depending on oil and refrigerant type, there is one guideline we can all understand easily and remember to apply. This guideline is to slope suction lines towards condensing units/compressors. Keeping the suction line sloped toward the compressor, especially with long overhead lines, helps return the […]

The primary role of setting an appropriate level of subcooling is to ensure that we deliver a full line of liquid refrigerant to the metering device. We want to do this at: A pressure differential required by the metering device At a temperature and pressure no higher than required for maximum capacity and efficiency But […]

When you first start servicing pool heaters, the water flow circuit can feel a bit intimidating. In this article, I'm going to cover the pool circuit basics and common water flow issues that screw up our heaters. If you would like to brush up on the basics of pool heaters before diving into troubleshooting tactics, […]