Climate Control Service & Diagnostics

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.

Sponsored by

About the Presenters

G. Jerry Truglia
Founder/President of Technicians Service Training (TST), G. Jerry Truglia has extensive experience in the automotive field as a technician, service manager, shop owner and technical writer. He is a senior curriculum developer who provides training programs for automotive and truck inspection and repair programs. He has provided on-board diagnostic system, OBDII and automotive training all over the country. He is the owner, curriculum developer and instructor for Automotive Technician Training Services (ATTS) in Mahopac, N.Y.

Pierre Respaut
Pierre has been in the automotive industry for over 55 years as a Master ASE Certified Technician & L1, diagnostician, shop owner and as part of the BIMRs.org, STS and TST among others. The one thing Pierre hasn’t been able to do is “stay retired”!