How to use Static Pressure to Measure and Set Air Flow
48:40
Air Flow Diagnostics w/ Joseph C Henderson
1:06:23
Impact of Airflow on Refrigerant Measurements and Performance
32:33
Static Pressure and Manometer Basics
31:50
What Air Filter is The Best?
1:04:47
Sizing Ductwork THE CORRECT WAY
2:11:16
Duct Design for Great Results w/ Ed Janowiak (ACCA)
1:14:22
Electrical Basics Class
26:41