Field glossary

Subcooling

Saturation temperature at liquid pressure minus the liquid line temperature; liquid cooled below its condensing point

Used across 4 Anvilfield field guides, most in HVAC.

Also defined as

Degrees the liquid sits below its saturation temperature at the current pressure; how you charge a TXV or EEV system
Degrees the liquid sits below its saturation temperature; proof of a full liquid column to the metering device

Where this shows up