A Texas HVAC and plumbing company swapped voicemail for an AI agent on after-hours and overflow calls, plus instant replies to web leads and follow-ups on old estimates. It reports 90+ bookings a month by AI.
Our own prompt for copying this setup. Swap in your details. Not quoted from the source.
When a call or web lead comes in after hours, reply within a minute. Ask about the system, the problem and the address, and offer the next two open slots. For estimates older than 7 days with no answer, send a short check-in text.
A voice agent takes table bookings and sends them to n8n, which picks a free table, handles cancellations and reschedules, and frees tables after 90-minute slots, all in Google Sheets.
A voice agent takes phone orders from a live menu, suggests add-ons, adds tax and reads back the total, then the order appears in a Google Sheet the kitchen watches.
A voice agent on a Florida plumber's existing number sorts calls into routine, urgent or emergency, books visits, and sends real emergencies to the owner's cell. It reports 39 calls answered and 56% booked in 30 days.