How Much Should an HVAC Company Spend on Marketing?

There's no single magic number — but there is a sensible framework. Here's how to think about it without guessing.

Start with a percentage of revenue

A common range for service businesses is 5–10% of revenue reinvested into marketing. Newer companies trying to grow fast often sit at the higher end; established companies coasting on referrals can sit lower.

Separate ad spend from management

Two different line items, and it matters:

• Ad spend goes directly to Google/Facebook (you pay the platforms).
• Management is what you pay an agency or in-house team to run it well.

Lumping them together makes campaigns look more expensive than they are and hides what's actually working.

Think in cost-per-lead, not total spend

The real question isn't "how much am I spending?" — it's "what does a booked call cost, and what's it worth?" If a new system install is worth thousands and you're acquiring those jobs for a fraction of that, spending more is a good problem.

Don't starve the test

The fastest way to waste money is to spend too little to learn anything. Give a campaign enough budget and time (usually a few weeks) to gather real data before judging it.

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