Build for AI cold caller for outbound. Owners cant tell its a bot

I spent 3-4 weeks building an AI voice agent that cold-calls HVAC owners for me. Real outbound. Real objection handling. Real appointments booked. When we listen back through the recordings, the owners never clock it as AI — they just think its a human SDR with a slightly weird cadence. This is the build, and the honest reason its sitting on the shelf for high-volume right now. The stack Make.com runs the whole thing — seven scenarios wired around a single Google Sheet called NeverMiss – Outboun