NATE HVAC Exam Prep 39, Evacuation Charging and Startup

Podcast: Trades Exam Prep · Ran Chen, EA, CFP®

Opublikowano: 2026-09-26

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why dry nitrogen pressure testing and low-PSI purging during brazing are required before system evacuation on NATE exams. - How to evaluate a vacuum decay test at five hundred microns using the rule: Spike Means Leak, Slope Means Moisture. - Why verifying proper evaporator airflow at four hundred CFM per ton i...