How to Build an HVAC Missed Call Recovery System | n8n + GoHighLevel + Twilio

My Linktree: https://linktr.ee/iamvaar Wanted to work with me? https://cal.com/abhi.vaar/n8n Missed calls are missed money. In the HVAC industry, if you don't answer the phone, the customer moves to the next contractor on Google. In this video, I’ll show you how I built a 3-stage automation system that captures missed calls, qualifies the lead using an AI Agent (LLM), and automatically books appointments into GoHighLevel. Chapters: 00:00:00 Introduction: Recovering HVAC Missed Opportunities 00:00:38 Configuring Twilio Voice & Webhook Setup 00:01:45 Filtering Call Events & Extracting Lead Data 00:02:00 Integrating with GoHighLevel CRM 00:03:04 Setting up the "Missed Call to Appointment" Pipeline 00:03:51 The First Automated SMS & Opportunity Update 00:04:25 Sub-Workflow 2: Handling Incoming SMS Replies 00:05:11 Validating Leads & Pipeline States 00:06:21 Using AI (LLM) to Analyze HVAC Opportunities 00:07:03 Sending the Calendar Booking Link 00:07:56 Sub-Workflow 3: Automating Appointment Bookings 00:08:50 Creating Internal Workflows in GoHighLevel 00:10:04 Syncing Real Contact Info & Filling Data Gaps 00:11:06 Live Demo: Missed Call Trigger & Initial SMS 00:12:37 Live Demo: AI Lead Qualification & Booking Link 00:13:56 Final Execution: Appointment Confirmation & Status Update 00:14:33 Outro & Summary What we cover: Part 1: The Trigger – Using Twilio Webhooks to catch busy, missed, or canceled calls. Part 2: Lead Creation – Auto-creating contacts in GoHighLevel with dummy data to ensure no lead is lost. Part 3: AI Qualification – Using an LLM to analyze SMS replies and filter out trash vs. real HVAC opportunities. Part 4: Closing the Loop – Automatically updating dummy contact data with real names/emails once a booking is confirmed. Tools Used: n8n (The Brain) Twilio (The Voice/SMS Gateway) GoHighLevel (The CRM & Calendar) Gemini (The AI Agent for qualification) #n8n #GoHighLevel #HVACAutomation #SaaS #Twilio #LeadGeneration #AI #AutomationEngineer #MissedCallTextBack