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DOC27

How to Build a Voice Bot for HVAC Customer Inquiries with VAPI

DEV.to AIΒ·May 1, 2026

This guide demonstrates how to build an LLM-powered voice bot using VAPI and Twilio for HVAC customer inquiries, tackling appointment scheduling and emergency triage. The solution aims to eliminate dropped calls during peak seasons, provide 24/7 availability, and free human agents for complex issues.

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