Field Diagnostics
Solve harder problems, faster.
Diagnostic frameworks and case studies for the toughest calls.
Titles in this series
The Complete HVAC Troubleshooting System
Diagnose Faster. Stop Guessing. Fix It Right the First Time.
A complete diagnostic system built on 20+ years of hands-on HVAC experience — engineered to help technicians diagnose faster, stop guessing, and fix it right the first time.
Stop Guessing: HVAC Airflow Made Simple
Understand Airflow. Measure It Correctly. Diagnose Problems with Confidence.
A practical field guide that helps HVAC technicians understand airflow, measure system performance correctly, diagnose restrictions, and solve comfort problems with confidence.
Stop Guessing: HVAC Airflow Made Simple — Advanced Airflow Diagnostics — Volume 1
Advanced Field Measurements, Static Pressure, CFM, Cooling, Heating, Blower Motors, and System Performance
Move beyond basic airflow. Learn how to measure, interpret, and connect the operating numbers that reveal what the complete HVAC system is doing.
Stop Guessing: HVAC Airflow Made Simple — Advanced Airflow Diagnostics — Volume 2
Compressors, Refrigerant Diagnostics, Superheat, Subcooling, Decision Trees, Case Studies, and Professional HVAC Troubleshooting
Transform measurements into reliable diagnostic decisions. Follow complete-system evidence, identify the true root cause, and verify every repair.
Stop Guessing: HVAC Electrical Wiring Made Easy
Learn to Read, Diagnose, Troubleshoot, and Wire HVAC Electrical Circuits with Confidence
A field-tested guide that teaches HVAC technicians how to read wiring diagrams, diagnose electrical faults, troubleshoot controls, and wire HVAC circuits safely and with confidence.