In this in-depth training session, Bryan covers:

• The difference between pulling vacuum on new installations vs. service calls
• Why removing Schrader cores and using large-diameter hoses matters
• How to properly set up your vacuum pump and micron gauge
• The impact of flushes and line dryers on evacuation time
• Best practices for achieving sub-200 micron readings in under 20 minutes
• Common mistakes that slow down the evacuation process
• Tips for testing vacuum decay and ensuring system integrity

This is Part 5 of our special series featuring Bryan Orr’s complete presentation at Polar Bear Air Conditioning. Make sure to watch the full series for comprehensive HVAC training insights.