SherpaRocket
HVAC maintenance agreements: get every client back every 6 months
October 13, 2026

HVAC maintenance agreements: get every client back every 6 months

It’s January in Florida.

The phone barely rings. Your techs have open slots all week. And you’re wondering how you’ll make it to March.

Meanwhile, your phone holds hundreds of clients whose AC you fixed last summer.

Every one of them is due for a checkup. None of them remember.

Sound familiar?

This is part 2. In part 1 I covered how to stop losing summer emergencies. Here’s what comes next: getting those same clients to come back.

Why does an HVAC maintenance agreement bring you clients?

An HVAC maintenance agreement means every client gets a checkup every 6 months, and you remind them before their unit breaks down.

It brings in work during the slow months, from people who already trust you. And that client’s unit breaks less, so in summer they call you for a tune-up instead of an emergency.

It’s the easiest client you’ll ever have. They already know you. They already have your number.

The problem: nobody remembers to reach out

You did the job right in July. The client was happy.

Then the usual happens. You jot it in a notebook. Or in your phone calendar. Or “I’ll remember”.

And you don’t. Because in July you’ve got twenty emergencies a day, and by January you can’t tell who was due.

Winter goes by, the heat comes back, their unit breaks… and maybe this time they call someone else.

You didn’t lose that client because of bad work. You lost them because nobody reached out.

How to bring them back without relying on your memory

What I set up is a reminder that goes out on its own at the right moment, so you only see what needs a person.

Here’s what it looks like with one client:

  1. Jul

    Visit

    You fix Luis's unit

  2. Jan

    Reminder

    He gets: "Your AC checkup is due, want me to book it?"

  3. Jan

    Booking

    Picks a day with one message

  4. Feb

    Another visit

    Without anyone writing it in a notebook

And here’s how you see it every Monday, all at once:

This week's checkups

  • Already booked7
  • Asked for another day2
  • Haven't replied3
See who didn't reply I'll reply myself

The ones who booked are already on your techs’ calendar. The ones who didn’t reply get another friendly message a few days later. And if someone needs a call from you, you see it right there, with their history.

You decide who to call. Remembering is no longer your job.

And after every checkup, they get a thank-you message with a link to leave you a review. That brings in new clients too.

What changes when maintenance is handled

Today, in winter, you’ve got open slots and no idea who to call. And in summer, clients from a year ago call you with a broken unit, or call someone else.

Once it’s handled, January isn’t a slow month anymore: every week fills up with checkups from clients you served six months ago. And in summer you get fewer emergencies from units nobody serviced.

Does this sound like your business?

Let’s talk for 30 minutes. Tell me how you keep track of your clients today, and I’ll tell you honestly whether I can help and where I’d start.

Frequently Asked Questions

What is an HVAC maintenance agreement?

It’s a commitment to service a client’s unit on a regular schedule, usually every 6 months. For it to work, the client has to be reminded at the right time, so the checkup actually happens and doesn’t depend on anyone’s memory.

How often does an AC need maintenance?

A checkup every 6 months is typical, especially in Florida, where the AC runs almost all year. That’s why it helps when the reminder goes out on its own 6 months after each visit.

How do I get HVAC clients to come back for maintenance?

Reach out at the right moment, before their unit breaks. A short message to book the checkup with a single reply works better than waiting for them to call.

What can an HVAC business do during the slow months?

Fill them with checkups from clients you’ve already served. If every summer visit leaves its reminder scheduled, winter fills up with work from people who already trust you.

Written by Julio Alvarez, CEO and founder of SherpaRocket.

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