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Free HVAC win-back email templates.

Ten short emails you can copy into any email tool. Replace the [brackets], send from your shop’s own address, and keep each one to one clear next step. No signup needed.

By Vasu Bansal · Updated October 29, 2026

Before you send.

These are example emails. Replace every bracket, use benefits and availability claims only when they are true for your shop, and include your shop’s address and unsubscribe option.

Ten notes for a familiar name.

EXAMPLE EMAIL 01

Fall furnace check

Subject: A quick furnace check before the cold?

Hi [First name],

It's been a while since we looked at your furnace. Before the first cold snap, a quick check can catch small problems early.

Want us to save you a spot? Reply to this email or book here: [link]

[Your name], [Shop name]
EXAMPLE EMAIL 02

Fall follow-up

Subject: One small thing before winter

Hi [First name],

A quick tip: a clean filter helps your furnace run easier all winter. If it's been more than 3 months, now's a good time to swap it.

If you'd rather we check the whole system, just reply and we'll find a time.

[Your name], [Shop name]
EXAMPLE EMAIL 03

Last nudge

Subject: Should we keep a spot for you?

Hi [First name],

Our fall schedule is filling up. If you'd like a furnace check before it gets cold, reply "yes" and we'll reach out with times.

No worries if not. Thanks for being a [Shop name] customer.

[Your name]
EXAMPLE EMAIL 04

Spring AC tune-up

Subject: Ready for the first hot day?

Hi [First name],

Summer in [City] comes fast. An AC tune-up now beats a breakdown in July.

Want us to take a look? Reply or book here: [link]

[Your name], [Shop name]
EXAMPLE EMAIL 05

Lapsed maintenance member

Subject: Your maintenance plan, [First name]

Hi [First name],

Your [Shop name] maintenance plan ended a while back. Members get [benefit, e.g. priority scheduling] and two check-ups a year.

Want to restart it? Just reply and we'll set it up.

[Your name]
EXAMPLE EMAIL 06

Unsold estimate

Subject: Still thinking about that [system/repair]?

Hi [First name],

A while ago we gave you an estimate for [work]. No pressure. If you still have questions or want an updated quote, reply and we'll help.

[Your name], [Shop name]
EXAMPLE EMAIL 07

Old system (10+ years)

Subject: How's your [year] system holding up?

Hi [First name],

Your system is around [age] years old now. Many still run fine, but it's worth a check before the busy season so there are no surprises.

Want us to look it over? Reply or book: [link]

[Your name]
EXAMPLE EMAIL 08

One-time repair customer

Subject: Checking in after your repair

Hi [First name],

We fixed your [system] back in [month/year]. Just checking it's still running well. If anything's off, or you'd like a seasonal check, reply and we'll take care of it.

[Your name], [Shop name]
EXAMPLE EMAIL 09

Indoor air quality (winter)

Subject: Dry air this winter?

Hi [First name],

Winter heating can dry out the air at home. If that's bothering you, we can check your system and talk through simple options.

Reply if you'd like us to take a look.

[Your name], [Shop name]
EXAMPLE EMAIL 10

Referral thank-you

Subject: Thanks for trusting [Shop name]

Hi [First name],

Thanks for being a customer. If a friend or neighbor ever needs heating or cooling help, we'd be glad to look after them too. Just pass along our number: [phone].

[Your name]

Keep the emails useful.

Want them written and sent for you?

Second Season runs win-back emails as a 90-day sprint in your shop’s voice. Start with a free Lost Customer Audit.

Get my free Lost Customer Audit

Fair questions. Honest answers.

Can I use these templates for free?

Yes. Copy and edit them for your own shop’s customers. No signup or credit needed.

How often should I email past HVAC customers?

A short sequence of 2–3 emails per season is plenty for most lists. Stop as soon as someone books, replies no, or unsubscribes.