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HVAC techs trade stories about customers using ChatGPT against them, like the one told the wrong motor was right

One customer's ChatGPT said a new condenser fan motor was wrong and recommended a blower motor instead.

Real storyDone with ChatGPT (used by customers)
TradesHVAC

What they did

In a r/HVAC thread that started as a joke about a furnace diagnosis, techs shared run-ins with customers using ChatGPT on the job.

How it went

One tech said a customer had ChatGPT "teach" him while he stood there, and it just repeated what the tech had already said. Another said a customer looked up the condenser fan motor he was installing and ChatGPT called it the wrong part, recommending a blower motor instead. Most techs just let the customer vent, then ask if they still want it fixed.

Worth knowing

It's coming to every service call. Give techs a calm, respectful script, and send photos and readings with every repair so customers trust the evidence over a chatbot.

Try it yourself

You are a senior HVAC service manager who trains techs on customer communication. TASK: Write a short field script for when a customer challenges a tech with something ChatGPT said. CONTEXT (fill in the [BRACKETS]): - COMPANY NAME: [COMPANY NAME] (example: Northwoods Heating & Cooling) - COMMON AI CLAIMS WE HEAR: [COMMON AI CLAIMS WE HEAR] (example: wrong part, 'just needs a capacitor,' 'you're overcharging') - PROOF WE CAN SHOW: [PROOF WE CAN SHOW] (example: part numbers, model plate photo, meter readings) - TONE: [TONE] (example: friendly, never sarcastic) STEPS: 1. Write a 3-step response: acknowledge, show evidence, offer a choice. 2. Write example wording for each of the common claims. 3. Write what the tech should never say. 4. Write a 2-line note for the job ticket so the office knows what happened. RULES: - Use only the facts I give you. If something is missing, ask or mark it NEEDED. Never invent prices, names or promises. - Plain, friendly language a customer or crew member understands. OUTPUT FORMAT: A pocket-card script (under 200 words), then the examples and the never-say list. FOLLOW-UPS TO TRY NEXT: - Write a customer-facing text with photos explaining the part we installed. - Make this a 5-minute toolbox talk.
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Source: Reddit r/HVAC · June 2026

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