On this episode of Did You Know? The ESCO HVAC Podcast, Clifton sits down with Mike Hirschbock of Havtech to discuss what’s really behind many VRF system failures—and why it often comes down to skipping the basics. From dirty filters and poor brazing practices to misdiagnosed compressor issues, Mike shares real-world examples and teardown insights that reveal how preventable most problems are.

They also explore how specialization is changing technician training, the importance of whole-system thinking, and how new tools and AI are reshaping service and diagnostics. Whether you're troubleshooting in the field or training the next generation, this episode offers practical guidance you can use today.