Stepthrough
Start free

An AI agent that writes plumbing follow-up texts

Step-by-step guide7 slidesn8n

By Robert Breen · Published · From the free lesson Build an AI Customer Follow-Up Agent for Plumbers

The best time to earn a repeat plumbing customer is the day after the job. In this lesson you build an n8n agent for Blue Maple Plumbing.

  1. Plumbing + n8n. A follow-up text after every job, written for you. Stepthrough, free at learn.ynteractive.com.
    Slide 1 of 7
  2. Tell the agent who you are. Blue Maple Plumbing's system prompt lists its real services, a friendly, plain tone and one rule: never invent prices, discounts or warranty terms. Stepthrough, free at learn.ynteractive.com.
    Slide 2 of 7
  3. Type in today's calls. Linda, water heater replacement. Tom, main drain cleaning. Maria, sump pump. The agent writes three texts, each under 60 words. Stepthrough, free at learn.ynteractive.com.
    Slide 3 of 7
  4. A care tip for each job. Linda: give the new heater about an hour to heat up. Tom: don't flush wipes, even "flushable" ones. Maria: pour a bucket of water into the pit before the next big storm. Stepthrough, free at learn.ynteractive.com.
    Slide 4 of 7
  5. A next step for the office. A yearly tank flush in 12 months. A sewer camera inspection if the drain clogs again. A battery backup before storm season. Stepthrough, free at learn.ynteractive.com.
    Slide 5 of 7
  6. Say "save those". Each text becomes a row in the Customer Follow-Ups sheet, marked Ready to send. Stepthrough, free at learn.ynteractive.com.
    Slide 6 of 7
  7. Build the plumbing follow-up agent, step by step. Stepthrough, free at learn.ynteractive.com.
    Slide 7 of 7

Swipe or scroll sideways for all 7 slides. The whole guide is written out below.

The guide in text

With a care tip that fits the exact job.

Step by step

  1. Tell the agent who you are

    Blue Maple Plumbing's system prompt lists its real services, a friendly, plain tone and one rule: never invent prices, discounts or warranty terms.

  2. Type in today's calls

    Linda, water heater replacement. Tom, main drain cleaning. Maria, sump pump. The agent writes three texts, each under 60 words.

  3. A care tip for each job

    Linda: give the new heater about an hour to heat up. Tom: don't flush wipes, even "flushable" ones. Maria: pour a bucket of water into the pit before the next big storm.

  4. A next step for the office

    A yearly tank flush in 12 months. A sewer camera inspection if the drain clogs again. A battery backup before storm season.

  5. Say "save those"

    Each text becomes a row in the Customer Follow-Ups sheet, marked Ready to send.

Businesses and people in the examples are made up. The steps, screens and wording come from the free lesson and the Stepthrough glossary and prompt library.

Do it yourself, free

Build an AI Customer Follow-Up Agent for Plumbers. Build an AI agent for Blue Maple Plumbing that writes personalized follow-up messages after service calls and tracks them in Google Sheets — chat trigger, AI Agent, system prompt, model, memory, and… You do every step yourself in a practice copy of n8n, it checks your work as you go, and “Do it for me” finishes any step you get stuck on. Free, and nothing touches your real accounts.

Start the free lesson

Or read the full step-by-step guide

Plain-English definitions, each with an example from a free lesson.

A/B testingAI agentAPI keyAppend rowBuyer personaChat TriggerCustomer acquisition cost (CAC)Foundation model

The full AI glossary

All free prompt templates

From the blog

Lovable dashboard prompt box with a prompt for a service request form for a residential plumbing company, in Build mode and ready to sendAI Chatbot for Plumbers: What to Answer, What to Hand Off

What an AI chatbot can do for a plumbing company: answer hours and prices, collect emergency details, book visits, and when it must hand off to a person.

Oct 16, 2026 6 min read

Live Lovable form for Blue Maple Plumbing with a test entry: a burst pipe under the kitchen sinkAI for Plumbing Companies: Emergency Requests, Triaged

AI for plumbing companies: a request form whose AI dispatcher marks each job Emergency, Same-day or Scheduled, logs it and emails next steps.

Oct 1, 2026 6 min read

Customer Follow-Ups sheet filled in by the agent: follow-ups for a water heater, drain cleaning and sump pump jobAutomate Customer Follow-Ups After Every Service Call

Customer follow-up after a service call, done every time: an n8n AI agent drafts each message with a job-specific tip and saves it for review.

Oct 1, 2026 7 min read

Keep the right context in ChatGPT. Same job, stay. New job, new chat. Oakwood Library and Pine Ridge Rotary are made up. Step 1: Request first, then facts. Step 2: Check the numbers. Step 3: Same job? Stay. Step 4: Next ask, same chat. Step 5: New customer? New chat. Step 6: Check before it goes out. By Robert Breen. Stepthrough, free at learn.ynteractive.com.ChatGPT: New Chat or Same Chat? Decide in 6 Steps

A step-ladder guide to ChatGPT context: stay in the same chat when the job is the same, start a new chat for a new customer, and check the numbers.

Step-by-step guide 8 slides

ChatGPT + Google Docs. A meeting transcript in, a clear recap out. Stepthrough, free at learn.ynteractive.com.Summarize a meeting transcript with ChatGPT

A meeting transcript is useful for about five minutes, and then nobody reads it again.

Step-by-step guide 7 slides

Claude artifacts. Build a price calculator customers can use themselves. Bright Path Landscaping (made up) asks Claude for a lawn price calculator. 5 steps. Screenshot: the calculator in Claude's artifact panel.5 Steps to Build a Shareable Price Calculator in Claude

A visual guide to Claude artifacts: ask for a price calculator, check the math, ask for one change and share it by link. Five steps, free.

Step-by-step guide 7 slides

All visual guides · All free tutorials