Commercial HVAC/R Systems Tune-Up & Troubleshooting: From PM Lists to Callback Prevention

Key Topics Covered:

• Complete PM checklist walkthrough for commercial HVAC systems
• Condensate pump cleaning and maintenance procedures
• Proper capacitor testing (10% replacement threshold for commercial)
• Full system diagnostics for refrigeration equipment
• Evaporator coil inspection and cleaning techniques
• Door closers, gaskets, and walk-in cooler maintenance
• Superheat and subcooling measurements for refrigeration
• Defrost settings and controller parameters
• Proper documentation and equipment tracking
• Using measureQuick for advanced diagnostics
• Truck stock management for faster repairs
• Professional conduct and customer interaction standards

Pro Tips Included:

• Copper antimicrobial trick for condensate pumps
• Visual inspection techniques for contactors and capacitors
• Refrigeration pressure-temperature relationships
• When to quote OEM vs. truck stock parts
• Emergency repair prioritization strategies