Evacuation & Startup
Deep vacuum, decay tests, flares and commissioning.
By symptom:Refrigerant Leak
By part:Line Set
How to Pull a Deep Vacuum: Micron Targets and the Decay Test
Evacuate a system properly, covering nitrogen pressure test, rig setup, micron targets, and how to read a standing decay test for leaks vs. moisture.
Mini-Split Flare Connections That Don't Leak: Cutting, Flaring and Torque
The steps that keep mini-split flare joints leak-free, from cutting and deburring to flare size, oil, torque and nitrogen testing.