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Lithium Marketing field guide

AI workflow automation examples for service businesses

Three real projects and eight everyday workflows, each broken down into what starts it, what the AI does and what a person still decides.

  • Three real projects
  • Eight everyday workflows
  • How each one works
Technician reviewing an appointment calendar on a tablet

Before the examples

What an AI workflow automation looks like.

An AI workflow automation is a chain of steps that starts on its own, uses AI to read, write or judge something a fixed rule can’t, and hands the result to a person or another system. The eleven examples below show what that looks like in a service business: three real projects we built, then eight everyday workflows that fit most plumbing, HVAC, electrical, roofing and remodeling companies.

Every example has the same five parts. A trigger starts it: a missed call, a new form, a finished job. An input feeds it: the caller’s words, the form, a voice note. An AI step does the part a simple rule can’t, like understanding a customer’s description or drafting a message. An action moves the result somewhere: a text, a calendar, your CRM. And a person checks or decides the part that needs judgment.

If any of the five is fuzzy, the workflow isn’t ready to build. For the definition in more depth, read what AI automation is .

Examples 1 to 3

Three real projects we built.

These are Lithium Marketing client projects, with the results each business saw. Each started from one specific bottleneck, not a wish to “use AI.”

Plumbing company

After-hours lead capture

The problem
60% of after-hours emergency calls were going to voicemail, and those callers were going to competitors instead.
What we built
A custom AI phone system that triages how urgent each call is, dispatches the on-call tech by SMS for emergencies and books non-emergency jobs directly into the schedule.
  • AI phone system
  • SMS dispatch
  • Schedule booking

The result

3x

more leads

After-hours calls that once ended in voicemail now reach the on-call tech or land on the schedule.

Real estate agency

Lead‑qualification bot

The problem
Agents were losing hours chasing unqualified leads instead of working with the buyers who were ready.
What we built
An AI chatbot that pre-screens buyer inquiries on budget, timeline and location, then sends the hot leads straight to the right agent’s calendar.
  • AI chatbot
  • Lead qualification
  • Calendar booking

The result

52%

conversion

Agents spend their time with the buyers the bot has already screened, not sorting every inquiry by hand.

Gravel contractor

GIS-powered lead generation

The problem
Search volume for the contractor’s services was too low for traditional SEO to bring in enough work.
What we built
A GIS-powered geospatial database that identified rural properties with gravel driveways, feeding an automated direct-mail campaign with AI-generated personalization.
  • GIS database
  • Data pipeline
  • Automated direct mail

The result

16,000+

rural properties identified

Each one a targeted prospect for the direct-mail campaign, found without waiting for anyone to search.

Notice where people stay involved. The plumbing system texts a real on-call tech, who decides how to handle the emergency. The real estate bot books time with a real agent, who does the selling. The AI does the sorting, writing and reaching out; people make the calls that carry risk.

Examples 4 to 6

Workflows for the phones and the inbox.

The next eight are everyday workflows, described in general terms to show how they work. They are not reported client results.

4. Missed-call text-back

Starts when a call rings out or goes to voicemail. The AI sends a text within a minute (for example, “Sorry we missed your call, this is the office at [your company name]. What can we help with?”) and reads the reply to sort it: emergency, new job, existing customer or spam. A person gets the sorted reply and calls back, with emergencies first. Check how fast real requests get a call back and how many turn into booked jobs. The missed calls guide covers this one in depth.

5. Web form to a ready-to-quote job record

Starts when a customer submits a project form with a description and photos. The AI copies the customer’s details into a draft job record in your CRM, summarizes the request in two lines and flags anything missing, like the address or the size of the job. The estimator reviews the photos, asks the follow-up questions and decides whether to book a site visit. The workflow never sets a price. Check that each draft matches what the customer wrote and reached the right estimator.

6. Unanswered-lead reminder

Starts when a new inquiry sits in your intake system with no response logged. The AI spots the unanswered record after the window you set, and sends the office a reminder with the original request and a suggested reply. A person decides whether to call, text or close it out. Check how many leads sit unanswered each week, before and after.

Examples 7 to 9

Workflows for estimates and paperwork.

7. Voice note to draft estimate

Starts when a tech records a voice note after a service call. The AI transcribes it, pulls out the parts, labor and recommendations, prices them from your price book and builds a draft estimate in your field-service software. The office or the tech checks the quantities and prices, fixes anything misheard and sends it. Check how many drafts needed corrections and how much sooner estimates go out. The voice notes guide walks through the full setup.

8. Supplier invoices into the books

Starts when a supplier invoice lands in a shared inbox. The AI reads the PDF, pulls the vendor, date, line items and total, matches the parts to open jobs where it can and prepares an entry in your accounting software. Your bookkeeper approves each entry before it posts. Check how many invoices matched cleanly and how many needed a hand.

9. Estimate follow-up

Starts when an estimate has gone unanswered for a few days. The AI writes a short text and email from the estimate itself (the work, the warranty, the next open slot) and sends them on a schedule you set, stopping the moment the customer replies. A person takes every reply. Check your estimate close rate before and after. The lead follow-up guide has sample messages.

Examples 10 and 11

Workflows for the field and after the job.

10. Equipment manual search

Starts when a tech types or says a question on site, like “what’s the clearance spec for this furnace model.” The AI searches your library of approved manuals and bulletins and answers with the passage and the page it came from. The tech checks the source and follows the manufacturer’s instructions and your safety procedures. Check whether the cited passage answered the question and that outdated documents stay out of the library. The equipment manuals guide explains how it’s built.

11. Review request and maintenance reminder

Starts when a job is marked complete. The AI sends a thank-you text a few hours later with a direct link to your Google review form, and schedules a maintenance reminder on the interval you set for that job type. If the customer’s reply mentions a problem, it alerts a person right away. A person handles any issue and approves replies to new reviews. Ask every customer, never offer anything in exchange and never screen out unhappy ones; Google’s rules forbid all three. Check reviews per finished job and how many reminders turn into booked visits.

At a glance

All eleven examples on one page.

AI workflow examplesWhat starts each one and who decides
ExampleStarts whenThe AIA person
After-hours lead captureAn after-hours callTriages urgency, texts on-call tech, booksOn-call tech handles emergencies
Lead qualification botA buyer inquiryScreens budget, timeline, locationAgent works the qualified lead
GIS lead generationA property data runFinds targets, personalizes mailThe contractor owns the campaign
Missed-call text-backA missed callTexts, sorts the replyCalls back, emergencies first
Form to job recordA project formDrafts the record, flags gapsEstimator decides on a visit
Unanswered-lead reminderNo response loggedReminds with a suggested replyOffice calls, texts or closes
Voice note to estimateA tech’s voice noteDrafts and prices the estimateOffice checks and sends
Supplier invoicesAn invoice emailReads and prepares the entryBookkeeper approves
Estimate follow-upAn unanswered estimateWrites and sends remindersTakes every reply
Manual searchA tech’s questionFinds the passage and pageTech checks the source
Review and reminderA finished jobSends review link, schedules reminderHandles issues, approves replies

Make it yours

How to turn an example into your workflow.

  1. 1

    Pick one

    Choose the example closest to your biggest daily headache, and count that headache today.

  2. 2

    Write the five parts

    Trigger, input, AI step, action and the person who decides, using your own systems and staff.

  3. 3

    Pilot it

    Run it on real work for two to four weeks, with someone checking every result.

  4. 4

    Measure and decide

    Compare against your starting count. Keep it, adjust it or drop it.

Lithium builds these as custom AI automation . Each project is scoped after a free discovery call, and most builds take one to two weeks. If your only problem is the phones, our managed AI receptionist answers every call 24/7 for $179 a month, with no contract and no setup fee. Bring one real example of the task to the call, along with the awkward cases. They show fastest whether the task is worth automating.

FAQ

Questions about AI workflows.

DJ Van Zanten

Still curious?

Call (503) 766-5964 or email [email protected].

What is the easiest AI workflow to start with?

A missed-call text-back or an unanswered-lead reminder. Both start from a clear event, do one small job and are easy to check, so you see whether they work within a few weeks.

How much does a custom AI workflow cost?

It depends on the steps and the systems it connects, so Lithium scopes each one after a free discovery call and quotes before any build starts. Most custom builds take one to two weeks. If you only need calls answered, the AI receptionist is $179 a month.

How should a workflow handle duplicate inquiries?

It should flag them, not merge them on its own. Keep both original messages and let the person who receives them decide whether they describe one job or two before any follow-up goes out.

Who keeps a workflow up to date when our process changes?

Name one process owner. When your services, prices, staff or software change, that person updates the rules and sources and reruns a few test cases, including the awkward ones.

What should we check during a pilot?

Compare the original input with what the workflow produced for a mix of normal and messy cases. Check that the result reached the right person, that nothing was lost or invented, and how much correcting your staff had to do.

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