HVAC marketing cost has no single sourced number, so this page gives you the three that answer it: what contractors report spending, what each channel charges, and what a booked install is worth to you.
The usual advice on how much should an HVAC company spend on marketing is a percent-of-revenue rule, often 5 to 10%, and the research behind this page found no disclosed method for any of them.
For where a budget should go, start with the HVAC marketing guide; this page is only about the money.
What HVAC contractors report spending
The only primary spending data the research for this page found comes from the government, and it puts purchased advertising under 1% of revenue.
The Census Bureau's 2022 Economic Census shows plumbing, heating, and air-conditioning contractors (NAICS 238220, plumbing and HVAC combined) paid $1.85 billion for advertising and promotional services in 2022, which is 0.62% of the industry's $297.6 billion in revenue.
That share is higher than specialty trade contractors overall (0.46%) and construction as a whole (0.41%), so these shops put a bigger share of revenue into advertising than their peers.
On corporate tax returns from tax year 2013, the IRS's Statistics of Income division put advertising deductions in the same industry at 0.73% of total receipts.
Read those numbers for what they are: purchased services only (no in-house salaries, no software, no in-house truck wraps), and industry averages dominated by commercial and new-construction firms that barely advertise, which describes the industry, not a residential shop that wants to grow.
Building an HVAC marketing budget without a benchmark
The SBA's small-business blog says outright that there is no hard-and-fast marketing budget and suggests asking your industry trade association for benchmarks.
No HVAC trade-association benchmark with a disclosed method turned up in the research for this page; the closest was an ACCA blog post passing along an advertising agency's 10%-of-revenue recommendation from a webinar, with no survey behind it.
So build the budget from the other direction: decide how many more booked installs you want, set a max cost per booked install you can still profit on, and buy channels that deliver under it.
What franchise contracts require
For franchisees, marketing spending is written into the contract.
One national franchise, One Hour Heating & Air Conditioning, requires its franchisees to spend 6% of gross revenue on local marketing starting in the third month after opening, on top of a 6% royalty (minimum $1,500 a month) and a 1.5% brand fund contribution on the first $5 million of gross revenue (2026 FDD, Item 6), which together reach 13.5% of gross revenue for a franchisee doing up to $5 million.
Aire Serv's 2026 FDD sets a license fee of 5 to 7% of gross sales, a 2% marketing and advertising fee, and required local marketing of $60,000 in the first 12 months and $75,000 in the second.
Those are contract terms from two named systems, not benchmarks; franchisees have it imposed, independents have to choose.
What each channel costs
The channel prices that circulate most in agency blogs are WordStream (LocaliQ) benchmarks, whose Home & Home Improvement category is not HVAC-specific.
In WordStream's 2026 search ads benchmarks (13,474 US campaigns on Google and Microsoft Ads, Apr 2025 to Mar 2026), the category's median cost per lead was $90.92 and the median cost per click was $8.33, second-highest of any industry after legal at $9.87.
All-industry medians in the same report were $66.69 per lead and $5.42 per click; WordStream's 2026 Facebook benchmarks put the category's leads-objective campaigns at a median $42.95 per lead against $27.39 across industries.
Median cost per lead, WordStream 2026 benchmarks
Read the caveats before budgeting off them: medians from one vendor's client base, a search sample that includes Microsoft Ads, leads counted as form fills or calls rather than booked jobs, and a small Facebook leads sample (452 campaigns, as few as four per subcategory).
Some agency blogs present these medians as HVAC lead prices of $43 or $90, which claims more than the source supports: WordStream publishes Home & Home Improvement, not an HVAC row.
SEO here prices differently, as a monthly retainer instead of per lead: local SEO is $2,500 a month, what HVAC SEO costs explains retainer prices across the market, and the per-lead math for every channel, shared lead platforms included, is in HVAC cost per lead.
Google Ads and Local Services Ads are not sold here: Gabe runs Meta ads and doesn't manage Google Ads, so those search figures are for budgeting, not a pitch.
Turning channel prices into an HVAC advertising budget
An HVAC advertising budget is a monthly ceiling per channel, cost per lead times leads needed plus the management fee; at the $42.95 median, say 40 paid-social leads is about $1,720 in media before fees, and two months of your own data replaces the median.
Agency pricing models and published prices
You will most likely be offered one of three pricing models, with very different incentives.
Flat monthly retainer
- A fixed fee for a defined scope of work.
- The incentive stays on outcomes, not on bigger budgets.
- What More Booked Installs charges.
Percent of ad spend
- The fee scales with your budget, not with performance.
- Not used here.
Per-lead
- You buy leads, often shared with competitors.
- The seller has no stake in whether a lead books.
- Not sold here.
What More Booked Installs publishes
Every price, as published on pricing:
- CRO: $2,500 a month, one controlled test a month, 6-month minimum.
- Local SEO: $2,500 a month, 6-month minimum.
- CRO + local SEO: $5,000 a month, 6-month minimum, the main offer.
- Managed Meta ads: $3,000 a month flat plus a $2,500 one-time setup, 3-month minimum; static image ads, 8 to 12 a month, with landing pages built and one landing-page A/B test a month.
- Ad spend: you pay Meta directly, $3,000 a month minimum, never marked up and never a percentage of spend.
Run together, the main offer plus managed Meta ads is $8,000 a month in fees plus at least $3,000 a month in ad spend paid to Meta, plus the one-time setup.
Website builds, Google Ads and Local Services Ads management, and per-lead pricing are not sold here; these numbers should still help you evaluate whoever does sell them.
What marketing costs in-house
Across all US industries in May 2025, the Bureau of Labor Statistics put the median wage at $78,760 for market research analysts and marketing specialists and $166,790 for marketing managers.
Inside plumbing, heating, and air-conditioning contractors specifically, the BLS counted about 2,250 marketing specialists with a median wage of $59,780, 410 marketing managers at $124,540, and 1,260 sales managers at $137,120, in May 2025.
Those jobs sit inside 111,207 employer establishments (Census, 2023), which suggests most contractors have no dedicated marketing employee.
Wages are only part of it: BLS employer-cost data for June 2026 puts benefits at 30% of total compensation for private-industry workers, about 43% on top of wages once paid leave, insurance, retirement, and legally required costs are counted.
Illustratively, that ratio turns the $78,760 median wage into about $112,500 of total compensation, before software, recruiting, or your own management time.
Against $2,500 to $5,000 a month here, a hire buys dedicated execution but not a testing program; the tradeoffs are in HVAC marketing in-house vs agency.
Customer acquisition cost: the number that decides the budget
Customer acquisition cost is total sales and marketing spend in a period divided by new customers won in that period; cost per lead is the channel-level version of the same idea.
Illustrative: your real cost per booked install
Say $40,000 of combined marketing and sales cost produces 10 booked system replacements in a month: you paid $4,000 per booked install, which against a $12,000 average replacement ticket (made up for the example) is three dollars of revenue per dollar of acquisition cost, and whether that wins depends on the job's margin, not its revenue.
The full walkthrough, including why cost per lead alone misleads, is in HVAC customer acquisition cost.
Marketing ROI math that holds up
The standard definitions come from the Marketing Accountability Standards Board: return on investment is net profit divided by investment, and marketing ROI is the contribution to profit attributable to marketing, net of the marketing spending, divided by the marketing invested.
One part to check: the standard formula uses contribution margin, not revenue, so a "we made $10 for every $1" figure built on revenue is return on ad spend (ROAS), a different number.
The MASB entry says marketing spending is usually "deemed as justified if the return is positive."
Illustrative example: if $11,000 of monthly marketing (the stack above) drives $55,000 of attributable incremental revenue at a 30% contribution margin, marketing ROI is ($55,000 x 0.30 - $11,000) / $11,000, which is 50%.
Every input is yours to replace; the formula is the point, and HVAC marketing ROI works more examples.
A budget is only as good as where it points, and the cheapest money is usually the traffic you already paid for that arrives and doesn't call.
The free audit ranks those leaks by revenue impact before you spend another dollar on new traffic.
Frequently asked questions
How much should an HVAC company spend on marketing?
No sourced percent-of-revenue benchmark for HVAC marketing turned up in our research, so build the budget bottom-up: decide how many more booked installs you want, then pay only for leads and channels that survive the math. Government data puts industry-average purchased advertising under 1% of revenue, which describes the industry, not a growth plan.
How much do HVAC leads cost?
No HVAC-specific price turned up in our research; the nearest published category is WordStream's Home & Home Improvement: a median $90.92 per lead on Google and Microsoft search ads and $42.95 on Facebook lead campaigns, from one vendor's client base. Treat those as category medians, not prices you should expect to pay.
Do you charge a percentage of ad spend?
No. Managed Meta ads are $3,000 a month flat plus a $2,500 one-time setup, and your ad spend goes directly to Meta, never marked up and never a percentage of spend.
Is marketing a fixed percentage of revenue in HVAC?
Only where a franchise contract imposes it: One Hour Heating & Air Conditioning's 2026 FDD requires franchisees to spend 6% of gross revenue on local marketing, and Aire Serv's 2026 FDD requires $60,000 in the first 12 months. Independent contractors have no contract imposing one.
What is a good marketing ROI for HVAC companies?
We found no HVAC-specific ROI benchmark with a published method, so be suspicious of any number you are quoted. The standard (MASB) judges marketing on contribution to profit, net of the marketing cost, and usually considers the spending justified when that return is positive.
How much does an in-house marketer cost?
The median marketing specialist inside plumbing and HVAC contractors earned $59,780 a year (BLS, May 2025), and benefits add roughly 43% on top of wages nationally, before software, recruiting, and your own management time.