MAT Webinars

Climate Control Service & Diagnostics

Course Summary

Modern climate control systems demand more than a quick recharge. This 1-hour webinar presented by “G” Jerry Truglia and Pierre Respaut with Technicians Service Training (TST), will deliver a comprehensive, technician‑focused approach to properly checking, servicing, and diagnosing today’s HVAC systems. Whether you’re dealing with performance complaints, airflow issues, or refrigerant concerns, this session gives you the procedures and testing strategies needed to get the job done right.

What This Webinar Covers

Visual Inspection Techniques – Identify common failure points, contamination indicators, and overlooked mechanical issues.
System Performance Testing – Evaluate pressures, airflow, and temperature differentials to pinpoint system inefficiencies.
Temperature Testing & Cabin Air Evaluation – Measure vent temperatures, assess blend door operation, and verify cabin air quality.
Refrigerant Sealant Detection – Learn how to identify sealant contamination before it damages equipment.
Refrigerant Identification – Confirm refrigerant type and purity to avoid misdiagnosis and system damage.
Leak Testing Methods – Compare dye, electronic, ultrasonic, and nitrogen pressure testing for accurate leak detection.
CO2 Testing
Evacuation & Service Procedures – Perform proper recovery, evacuation, and recharge steps to ensure system reliability.
And more – Including best practices, safety considerations, and real‑world diagnostic tips.

Why This Matters

A properly serviced and accurately diagnosed climate control system improves customer satisfaction, reduces comebacks, and protects expensive shop equipment. This webinar gives technicians the confidence and repeatable process needed to handle HVAC issues efficiently and professionally.