Ductless Install & Troubleshooting Basics

Presented by Johnstone Supply of SE Wisconsin

Step into the world of ductless HVAC with this hands-on training designed for installers and service techs looking to master the essentials. This class covers the fundamentals of installing today’s ductless systems along with key troubleshooting techniques and tools used in the field.

We’ll highlight critical practices for proper wiring, flaring, pressure testing, and accurate system charging to ensure safe, efficient, and reliable installations. You’ll leave with the confidence to tackle basic ductless projects and solve common service issues.

1. Ductless System Basics – Understand modern ductless technology and its applications.
2. Proper Wiring Techniques – Learn best practices for clean, safe, and error-free electrical connections.
3. Flaring & Piping Skills – Master precise flaring and piping to avoid leaks and ensure long-term reliability.
4. Pressure Testing & Charging – Gain hands-on experience testing systems and charging for peak performance.
5. Field Troubleshooting – Discover the essential tools and methods for diagnosing common ductless issues.

Event Venue & Nearby Stays

Johnstone Supply, N59W13730 Manhardt Drive, Menomonee Falls, United States