Mike PleziaInside service technician, Clark Associates · Commercial Equipment, HVAC, and Refrigeration professional

Your Phone Is a Diagnostic Tool #HVACTips #TradeLife #NewTech

10 Aug 2026 · 1 min

Watch on YouTube

0:48

In this short instructional video, the speaker addresses new HVAC and other trade technicians, emphasizing that their smartphones are the most powerful diagnostic tool they already possess. He outlines the various resources a phone can provide—manufacturer apps, wiring diagrams, tech support lines, training videos, and service bulletins—accessible in real time on the job. The speaker challenges the embarrassment some new techs feel about looking up information, arguing that consulting a phone demonstrates discipline and a commitment to accuracy rather than guesswork. He encourages technicians to use every available resource and to share this mindset with peers, reinforcing a culture that values precision over uncertainty.

Chapters

Hey, are you new to the trades? Here's something you may not know about technology in the field. The most powerful diagnostic tool you have is already in your pocket. Your phone gives you access to manufacturer apps, wiring diagrams, tech support lines, training videos, and service bulletins, all in real time. Your phone is a diagnostic tool. New technicians sometimes feel embarrassed to look something up on the job. Don't be. The experienced tech who pulls out their phone to verify a wiring diagram is not showing weakness, they are showing discipline. There's no shame in looking it up. The trade rewards accuracy, not guessing. Use every resource available to you. Now that you know, you can help someone else know.