Watch the training: Keyword research for HVAC contractors
How we find the searches that turn into booked jobs — and the ones that only look good in a report.
Last updated: August 2026. Search volume and cost-per-click data pulled directly from the Google Ads keyword database (United States, 12-month average).
Keyword research is the foundation of every HVAC SEO strategy that actually produces booked jobs. Get it right and every service page, city page and blog post you publish is aimed at demand that already exists. Get it wrong and you spend a year ranking for words nobody types.
Below is the most complete, data-backed list of HVAC keywords available anywhere — 59 core terms with real U.S. monthly search volume, average cost-per-click, and paid competition, grouped by service category. We've worked with hundreds of HVAC contractors since 2010, and this is the same data set our team uses to build client keyword strategies.
Get these keywords mapped to your city — free
A national keyword list is only half the answer. What actually drives calls is your service + your city. We built a free tool that combines every keyword on this page with your service area and hands you the prioritized list of the terms that matter most in your market — for HVAC, plumbing, or electrical.
How to read this data (most contractors get this backwards)
Three numbers matter, and volume is the least important of them:
- Monthly searches — national U.S. demand. Useful for sizing a category, not for predicting your calls.
- Average CPC — what advertisers pay per click, and the best available proxy for commercial intent. High CPC means those searchers buy.
- Competition — how crowded the paid auction is, which usually mirrors organic difficulty.
The 20 most valuable HVAC keywords in America
Ranked by monthly market value (searches × CPC) — how much money is being spent every month to reach these searchers.
| # | Keyword | Monthly searches | Avg. CPC | Monthly market value |
|---|---|---|---|---|
| 1 | ac repair | 368,000 | $42.73 | $15,724,640 |
| 2 | air conditioning repair | 368,000 | $42.73 | $15,724,640 |
| 3 | hvac | 450,000 | $20.88 | $9,396,000 |
| 4 | furnace repair | 201,000 | $25.16 | $5,057,160 |
| 5 | hvac contractor | 135,000 | $19.76 | $2,667,600 |
| 6 | ac maintenance | 74,000 | $33.90 | $2,508,600 |
| 7 | hvac repair | 60,500 | $36.07 | $2,182,235 |
| 8 | ac installation | 60,500 | $24.74 | $1,496,770 |
| 9 | air conditioner installation | 60,500 | $24.74 | $1,496,770 |
| 10 | hvac maintenance | 49,500 | $29.24 | $1,447,380 |
| 11 | hvac company | 60,500 | $22.03 | $1,332,815 |
| 12 | hvac service | 40,500 | $31.78 | $1,287,090 |
| 13 | air duct cleaning | 49,500 | $24.74 | $1,224,630 |
| 14 | emergency ac repair | 14,800 | $68.74 | $1,017,352 |
| 15 | duct cleaning | 33,100 | $22.54 | $746,074 |
| 16 | attic insulation | 74,000 | $9.21 | $681,540 |
| 17 | heat pump repair | 40,500 | $15.71 | $636,255 |
| 18 | mini split repair | 18,100 | $31.81 | $575,761 |
| 19 | ac tune up | 12,100 | $47.58 | $575,718 |
| 20 | boiler repair | 22,200 | $22.08 | $490,176 |
The complete HVAC keyword list by service category
Core HVAC company terms (highest volume, highest competition)
| Keyword | U.S. monthly searches | Avg. CPC | Paid competition |
|---|---|---|---|
| hvac | 450,000 | $20.88 | Medium |
| hvac contractor | 135,000 | $19.76 | Low |
| hvac company | 60,500 | $22.03 | Low |
| hvac service | 40,500 | $31.78 | Low |
| heating and air conditioning | 14,800 | $32.23 | High |
| commercial hvac | 12,100 | $20.66 | Medium |
| commercial hvac repair | 1,300 | $34.26 | Low |
| commercial hvac maintenance | 590 | $25.00 | Low |
Emergency & urgent-need keywords (highest intent, highest CPC)
| Keyword | U.S. monthly searches | Avg. CPC | Paid competition |
|---|---|---|---|
| ac repair | 368,000 | $42.73 | Low |
| air conditioning repair | 368,000 | $42.73 | Low |
| furnace repair | 201,000 | $25.16 | Low |
| heating repair | 27,100 | $12.60 | Low |
| emergency ac repair | 14,800 | $68.74 | Low |
| emergency furnace repair | 5,400 | $58.83 | Low |
| 24 hour ac repair | 2,900 | $65.40 | Low |
Air conditioning: repair, install & replace
| Keyword | U.S. monthly searches | Avg. CPC | Paid competition |
|---|---|---|---|
| ac installation | 60,500 | $24.74 | Low |
| air conditioner installation | 60,500 | $24.74 | Low |
| hvac repair | 60,500 | $36.07 | Low |
| hvac installation | 22,200 | $20.92 | Low |
| ac replacement | 14,800 | $27.95 | Medium |
| swamp cooler repair | 2,900 | $35.22 | Low |
| evaporator coil replacement | 880 | $8.92 | Medium |
| refrigerant leak detection | 880 | $1.89 | High |
| condenser replacement | 320 | $4.90 | Low |
| freon leak repair | 210 | $2.10 | High |
Heating: furnaces, boilers & heat pumps
| Keyword | U.S. monthly searches | Avg. CPC | Paid competition |
|---|---|---|---|
| heat pump repair | 40,500 | $15.71 | Low |
| furnace installation | 27,100 | $10.36 | Low |
| heat pump installation | 22,200 | $17.96 | Low |
| boiler repair | 22,200 | $22.08 | Low |
| furnace replacement | 9,900 | $16.82 | Low |
| boiler installation | 6,600 | $10.11 | Low |
| geothermal hvac | 5,400 | $6.92 | Medium |
| heating installation | 2,400 | $22.95 | Low |
| heat pump replacement | 1,600 | $12.85 | Medium |
Mini splits & ductless systems
| Keyword | U.S. monthly searches | Avg. CPC | Paid competition |
|---|---|---|---|
| ductless mini split installation | 27,100 | $9.87 | Low |
| mini split installation | 18,100 | $19.44 | High |
| mini split repair | 18,100 | $31.81 | Low |
| air handler replacement | 390 | $9.76 | Medium |
| rooftop unit replacement | 260 | $11.84 | Low |
Maintenance, tune-ups & service agreements (your retention keywords)
| Keyword | U.S. monthly searches | Avg. CPC | Paid competition |
|---|---|---|---|
| ac maintenance | 74,000 | $33.90 | Low |
| hvac maintenance | 49,500 | $29.24 | Low |
| ac tune up | 12,100 | $47.58 | Medium |
| furnace tune up | 9,900 | $30.35 | Low |
| hvac tune up | 6,600 | $38.40 | Medium |
| hvac inspection | 4,400 | $31.68 | Medium |
| hvac preventive maintenance plan | 50 | $19.58 | Low |
Ductwork & indoor air quality
| Keyword | U.S. monthly searches | Avg. CPC | Paid competition |
|---|---|---|---|
| attic insulation | 74,000 | $9.21 | High |
| air duct cleaning | 49,500 | $24.74 | Medium |
| duct cleaning | 33,100 | $22.54 | Medium |
| whole house humidifier | 27,100 | $1.41 | High |
| duct sealing | 12,100 | $0.99 | High |
| ductwork replacement | 3,600 | $18.07 | Medium |
| indoor air quality | 3,600 | $11.13 | Low |
| uv air purifier | 3,600 | $2.78 | High |
| air purification system | 1,600 | $4.78 | High |
Thermostats, financing & big-ticket research terms
| Keyword | U.S. monthly searches | Avg. CPC | Paid competition |
|---|---|---|---|
| new hvac system cost | 4,400 | $10.44 | High |
| thermostat installation | 2,900 | $29.95 | Low |
| smart thermostat installation | 2,900 | $25.57 | Low |
| hvac financing | 2,900 | $20.98 | Medium |
Get these keywords mapped to your city — free
A national keyword list is only half the answer. What actually drives calls is your service + your city. We built a free tool that combines every keyword on this page with your service area and hands you the prioritized list of the terms that matter most in your market — for HVAC, plumbing, or electrical.
The seasonality factor nobody accounts for
HVAC search demand is violently seasonal. "AC repair" can triple between April and July, and "furnace repair" does the same from October to January. The volumes on this page are 12-month averages — your peak-month demand for cooling and heating terms is typically 2–3× the number shown. Two implications: publish and build links for cooling content in February, not June, and never judge a page's performance against the prior month — compare it to the same month last year.
Why national volume is not your volume: the city-modifier math
A metro's share of national search volume roughly tracks its share of U.S. population (~340 million). Apply that percentage to any number in the tables above:
- Phoenix (1.6M people, ~0.47%) of a 368,000-search term ≈ 1,730 local searches/month
- Tulsa (410K people, ~0.12%) ≈ 440 local searches/month
- A 60,000-person suburb (~0.018%) ≈ 65 searches/month
Sixty-five searches sounds small until you run it out: at a 30% click-through rate from the #1 organic position and a 25% call rate, that's about 5 calls a month — from one keyword in one town. Multiply across 40 service terms and 15 surrounding cities and you have the real model: hundreds of small keyword wins, not one big one.
The five keyword types every HVAC website needs
- Emergency / no-heat, no-cool terms — "emergency ac repair," "24 hour ac repair," "emergency furnace repair." Lower volume, highest close rate, CPCs from $58 to $69. Own these first.
- Service + city terms — "ac repair Mesa AZ," "furnace replacement Naperville." This is where 70–80% of your organic revenue comes from.
- Replacement & install terms — "ac replacement," "furnace installation," "heat pump installation." These are your $8K–$20K tickets. Worth heavy investment even at low volume.
- Maintenance terms — "ac tune up," "hvac maintenance." These build the service-agreement base that carries you through shoulder season.
- Informational terms — "new hvac system cost," "how long does a furnace last." These capture buyers 30–90 days out and feed AI answers.
How to turn this list into a site structure
- Pick your 8–12 money services from the tables above — the ones you want more of and profit most from.
- Build one deep service page per money service (900–1,500 words, real photos, pricing guidance, FAQs, schema).
- Build city pages for each service in each city you serve — "[Service] in [City]" — with genuinely unique content: neighborhoods, local job examples, local reviews.
- Match the intent of the term. Emergency keywords get click-to-call above the fold and a response-time promise. Research keywords get cost guides and comparisons.
- Support with content — one informational article per money service answering the questions buyers ask before they call.
- Mirror it in Google Business Profile — your services, posts and photos should use the same keyword language.
Frequently asked questions
How many keywords should a HVAC website target?
Plan on 8–12 core service terms multiplied by the cities you serve — typically 100–400 keyword/city combinations for an established contractor. That's why a service-area matrix beats a flat list.
Are "near me" keywords worth targeting?
You can't optimize a page for "near me" directly — Google resolves it to the searcher's location. You win those searches through Google Business Profile optimization, citations, reviews, and city-level service pages.
How long does it take to rank for these keywords?
Long-tail service+city terms in smaller markets commonly move within 60–120 days. Head terms in major metros typically take 6–12 months of consistent content, links and reputation work.
Where does this data come from?
Search volumes and CPCs are pulled from Google's advertising keyword database for the United States, averaged over the trailing 12 months, and refreshed periodically. Volumes are Google's own rounded estimates.
Get these keywords mapped to your city — free
A national keyword list is only half the answer. What actually drives calls is your service + your city. We built a free tool that combines every keyword on this page with your service area and hands you the prioritized list of the terms that matter most in your market — for HVAC, plumbing, or electrical.
Related: Most Commonly Searched Plumbing Keywords | Most Commonly Searched Electrical Keywords
Want our team to build this out for you? Request a free strategy session and we'll show you exactly which keywords are winnable in your market and what it will take to own them.
