When a plumbing business asks us about voice AI agents, the first question we put back is the same one every time: which part of your week, if it disappeared, would change how you feel on a Friday? We start the build from that answer.
The version of voice AI agents that plumbing businesses still use a year after launch.
Our goal is to give plumbing businesses a three-day weekend, so people can spend more time with their families and the people they love :)
What voice AI agents actually does
Never miss a call again. AI phone agents that answer common enquiries, book jobs, and route urgent ones - in a Kiwi voice your customers won't hate.
- 01 Trained on your business hours, services, and pricing
- 02 Books appointments straight into your calendar
- 03 Texts the team for anything urgent
- 04 Full call transcript and audio recorded for QA
Built on: Vapi Retell Twilio OpenAI Realtime
What you actually get
Every engagement is scoped and quoted up front. This is what is in the box.
- A working pilot, in productionNot a prototype on someone's laptop. The first slice of voice AI agents runs against real work within weeks.
- Your data stays yoursIt runs on your accounts and your tools. If we part ways you keep the system and everything in it.
- The workflow mapped before codeWe write down what good looks like for plumbing businesses first, so nobody is guessing at handover.
- Support after it landsThe people who built it stay reachable when the business changes shape around it.
How voice AI agents compares
The two things most businesses do instead, and where each one runs out.
| Hiring for it | An off-the-shelf tool | Kiwi Dynamics | |
|---|---|---|---|
| Fit to how you work | Fits perfectly, costs a salary | You bend your process to suit the tool | Built around the workflow you already run |
| Time to something useful | Immediate, and permanent | Quick to switch on, slow to make fit | A working slice in weeks, then hardened |
| Who owns the data | You do | The vendor, on the vendor's terms | You do, in your own accounts |
| When it breaks | That person sorts it, if they are in | A support queue and a ticket number | The people who built it |
| What it costs | A salary, every year, forever | Per seat, forever, used or not | Scoped and quoted up front |
What we keep hearing from NZ plumbing businesses.
- Plumbers lose jobs to whoever answers the phone first, and most calls come in while they're already under a sink.
- Missed calls, slow quotes, and unchased invoices are the three leaks that cost plumbing businesses the most money.
How we build voice AI agents for plumbing businesses.
We scope narrow, ship a working pilot, then harden it into production. The first slice is the highest-leverage workflow for a plumbing business business, so value lands before the build is finished. AI phone agents.
Talk to usHow the work runs
- Find the one workflowWe look for the job costing plumbing businesses the most hours or the most leads, and deliberately ignore the rest for now.
- Ship a working sliceA narrow version goes into production in weeks, against real work, so the value shows up before the build is finished.
- Prove it, then widenWe measure it against what the work cost before. If it does not pay for itself, we say so rather than scaling it.
- Harden and hand overLogging, fallbacks and a real handover, so it keeps running when we are not in the room.
The outcome for plumbing businesses
If we build the right slice first, plumbing businesses feel the difference inside the first month. 42% of after-hours calls now booked without human input.
Not your typical AI agency.
Honest about what AI can and cannot do
Ships the one workflow that pays for itself
Hours given back, never the size of the invoice
*Every engagement is scoped and quoted up front. Results vary by workflow and business.
FAQ
When does voice AI agents actually pay back?
Inside the first quarter, in our experience. We pick the first slice specifically because it's the highest-leverage workflow for a plumbing business - so the savings start landing before the rest of the build is finished.
How do you price voice AI agents engagements?
Fixed-scope pilots first, then either project pricing or a small monthly retainer for the ongoing work. No long lock-ins, no 18-month black-box deals. Most plumbing businesses are surprised how small the first cheque is.
Anyone else in this space using voice AI agents?
Plenty. 42% of after-hours calls now booked without human input. The interesting question is rarely "does it work" - it's "is your team ready to use the output." That's what we'd scope on the call.
Will this run on our own infrastructure?
Yes, where it makes sense. Voice AI agents can sit entirely in your cloud account, with model calls routed through endpoints you control. We default to Vapi, Retell, Twilio, OpenAI Realtime but the architecture supports your existing platform choices.
Talk to us about this
Tell us what you're trying to do and we'll reply with how we'd build it - no obligation.