SEO for HVAC companies: two peaks, six months apart

In the United States, searches for "ac repair" reached about 298,000 in July 2026 and searches for "furnace repair" reached about 278,000 in January 2026, in Ahrefs estimates pulled on 14 September 2026. Furnace repair out-searched ac repair in every month from October 2025 to February 2026, and ac repair led in every other month of that twelve-month window. An HVAC company does not work one search market with a busy season. It works two markets that take turns. Almost every guide to HVAC SEO lists the same tactics for both, and the calendar is the part they leave out.

How do you do SEO for an HVAC company?

SEO for an HVAC company follows two demand peaks: cooling repair in summer and heating repair in winter, about six months apart. A new company earns most from a complete Business Profile and reviews; an established one prepares each service page before its season; a multi-location operator runs a profile per real location.

Quick answer

• Demand alternates. In Ahrefs' US estimates, furnace repair led ac repair from October 2025 to February 2026, and ac repair led the rest of the year.
• The map pack settles urgent repairs, ordered by relevance, distance and prominence, and nobody can pay for position there.
• Local Services Ads are a separate lane, charged per valid lead, with extra screening for HVAC as an urgent category.
• Replacement is researched, repair is not. A dead furnace in January is a same-day call; a new system is a decision that reads pages.

What kind of problem this is

The model most HVAC owners are sold is a year-round ranking project: rank for "hvac company" plus the city, keep the monthly retainer running, and wait for the phone. It treats the business as one keyword with seasonal noise on top.

That model misses how the searches that pay change their names with the weather. In July the money query is about cooling; in January it is about heating, with different pages ranking and often different competitors, because some companies in the same city only do one of the two. A company that ranks well for ac repair in summer can be close to invisible for furnace repair in winter without anything being broken.

Timing turns that into a cost. Google's SEO starter guide says some changes take effect within hours and others take several months. A heating page published the week of the first cold snap is competing for a window that has already opened.

The two peaks, measured

The Ahrefs series for the twelve months from September 2025 to August 2026 gives the shape in numbers:

Heating demand swings harder. Cooling searches bottom out at about 59 % of their July level, while furnace repair drops to under 40 % of its January level by May. A company that prepares late for summer loses part of a long curve; one that prepares late for winter loses a larger share of a short, steep one.

Added together, the two terms were lowest in September 2025, at about 357,100, and in April and May 2026, at about 362,400 and 358,600. Those are the months when neither repair line is pulling hardest, which makes them the natural time for maintenance offers, for publishing the page of the season that comes next, and for crew training.

What the national curve cannot say is how one market behaves, and that is where the three scenarios separate:

• A warm southern market lives mostly on the cooling curve, and heating is a short winter supplement.
• A cold northern market lives mostly on the heating curve, and cooling is a summer supplement.
• A mixed climate gets both peaks at full strength, and it is the case where the calendar matters most.

A caution about the numbers themselves

Both series roughly quadruple between the same months a year apart: ac repair goes from about 45,600 in December 2024 to about 177,600 in December 2025, and furnace repair from about 71,900 to about 275,200. Nothing in the heating and cooling business grew that much in twelve months. That jump is a change in the estimate, not in broken furnaces, and it is why this article uses the shape inside one year and never the growth between years.

Where each kind of search is won

Urgent repair: the profile and the phone

A broken system on the hottest or coldest day of the year produces the least patient customer in local search. The search is short, it happens on a phone, and the decision is made from the map results. Google documents that local results are ranked by relevance, distance and prominence, and states that "there's no way to request or pay for a better local ranking on Google."

What an HVAC company controls there is narrower than most invoices suggest: the primary category, a service list that separates heating from cooling, and hours that reflect when someone actually answers. The field-by-field version of that work is in optimizing a Google Business Profile.

Reviews carry most of the rest, and the peak is when they arrive. A customer whose air conditioning came back on in a heat wave is as grateful as a customer will ever be. Recency matters here for a seasonal reason too: a profile whose newest reviews all mention furnaces reads as a heating company to someone searching in July. The asking habit that uses those moments, with no incentive attached, is described in how to get Google reviews.

One risk is specific to this trade. A widely read Search Engine Journal guide on suspensions, published on 16 March 2024, lists HVAC among the categories it considers high-risk, without a figure attached. A suspended profile disappears from the map with no notice to customers, and in the middle of a peak that is the most expensive month for it to happen. Keywords added to the business name and a home address displayed by a service-area business are the usual triggers, and what an appeal can and cannot fix is in a suspended Google Business Profile.

Local Services Ads: the lane beside the map

Local Services Ads are not SEO, and they belong in this article because HVAC is one of the categories where they compete for the same urgent search. Google's help describes the charge directly: "You're charged for each valid lead you receive through your Local Services ad." A valid lead includes an answered call, a message or email, or a booking request. "Leads determined to be invalid or low quality are not charged", and charged leads "get reassessed by our models over time, and may be issued credits automatically if determined to be low quality."

The entry cost is screening, and HVAC gets more of it than most trades. Google's US screening page describes HVAC as an urgent category, where professionals "undergo an additional level of screening, which includes service professional background checks." The checks cover the business, the owner and the service professionals; the insurance requirements are general liability and professional liability; the licenses are a state-level business license and a state-level owner license. The page puts the average at 3 to 4 weeks after the documents are submitted.

That average is the part that interacts with the calendar. A company that starts screening in late June is verified, on average, somewhere around the July peak rather than ahead of it. The comparison between paying per result and earning positions over time is laid out in SEO vs Google Ads, and for HVAC the honest answer is usually both, in different months: ads cover a peak the site is not yet ready for, and organic pages keep working in the months when ad budgets are hardest to justify.

Replacement and installation: the pages that get read

A replacement is not an emergency, even when it starts as one. The technician says the compressor is done, the customer asks for the price of a new system, and the next few days are spent reading. This is where the website earns its cost, and where most HVAC sites offer one "installation" paragraph.

The page that works names a price range for the market and explains what moves it: system size, efficiency rating, ductwork condition, and the difference between replacing like for like and changing fuel type. It does the filtering for both sides. The reader outside the range leaves; the one who calls has already accepted the ballpark. The same split between urgent calls and researched jobs is worked through for another trade in SEO for plumbers, and the principle transfers: a page per job, not a page per company.

A heat pump page deserves its own climate. A comparison between a heat pump and a furnace that ignores whether the reader lives in Houston or Minneapolis answers nobody, and a company serving one of those markets can write the version that its competitors, copying national guides, do not.

Maintenance agreements: the months between peaks

The low combined months, September and April to May in the series above, are when a maintenance agreement is easiest to sell and easiest to staff. A page that explains what the agreement includes, how often the visit happens and what it costs turns the quiet months into scheduled work and gives the peak a list of existing customers to call first.

It is also the one HVAC page that searches for itself less than it gets asked about. Few people type "hvac maintenance plan"; many ask a technician on a repair visit. That makes it a page to link from every repair and replacement page rather than a page to rank on its own.

When NOT to invest in SEO

When the crews are booked through the peak. More visibility in July then produces calls nobody can take, and the reviews those unanswered calls generate cost more than the traffic earned.

When the peak is three weeks away and nothing is ready. Pages need time to be crawled and ranked, and a promise that they will perform in time is one Google's own guidance does not support. Paid placement is the lever that arrives in time, with its costs.

When the business is really one large commercial contract. A company that services three office buildings under contract has a relationship risk, not a visibility problem, and search does not address it.

What the first results leave out

The query "hvac seo" is searched about 2,500 times a month in the United States, with a keyword difficulty of 26 and a cost per click around 20 USD, in Ahrefs on 14 September 2026. That cost per click is agencies bidding to reach HVAC owners, and the first page reflects it: agency pages, software vendors, and lists of agencies.

ServiceTitan's HVAC SEO guide, checked on 14 September 2026, is representative. It offers eleven tips, from keywords and page speed to citations, social media and metrics, and it repeats two unsourced figures: that 97 % of people learn about a local company online more than anywhere else, and that 75 % never click to the second page of results. It does not discuss the heating and cooling calendar, the difference between an urgent repair buyer and a replacement buyer, maintenance agreements, or the distance limit on local ranking. A checklist that is the same in January and July cannot say where the next month of effort goes, and that is the only question an HVAC owner is actually asking.

What a monthly report should show against that calendar, and how to tell whether one is showing anything, is covered in how to tell if your SEO agency is working.

Mistakes that repeat

• Publishing the heating page when the first cold snap arrives. The window is already open, and Google says some changes take several months.
• Reading July's rankings as the year's rankings. Cooling and heating are different queries with different competitors.
• Starting Local Services Ads screening at the peak. Google's average is 3 to 4 weeks after documents are submitted.
• One services page for repair, replacement and maintenance. Three buyers with three questions, and it answers none of them.
• Hours that do not match who actually answers. Urgent searches go to listings that look open.
• Reading Ahrefs' year-on-year growth as market growth. The estimate itself changed between 2024 and 2025.

Data and transparency

The monthly search estimates for "ac repair" and "furnace repair" in the United States, from September 2024 to August 2026, come from Ahrefs, pulled on 14 September 2026: the peaks of about 298,200 in July 2026 and about 278,000 in January 2026, the lows of about 176,700 in November 2025 and about 108,400 in May 2026, the combined lows of about 357,100 in September 2025 and about 358,600 in May 2026, and the December figures used to show the jump between 2024 and 2025. The ratios and the month-by-month comparison between the two terms are my own arithmetic on that series. These are modeled estimates, not counts, and the article uses their shape within one year, not their growth. The demand for "hvac seo", about 2,500 monthly searches with a keyword difficulty of 26 and a cost per click near 20 USD, comes from Ahrefs the same day.

That local results are ranked by relevance, distance and prominence, and that "there's no way to request or pay for a better local ranking on Google", comes from Google Business Profile's help, opened on 14 September 2026. The Local Services Ads charging model, lead validity and automatic credits come from Google's Local Services help on how leads work, and the HVAC screening requirements, including the 3 to 4 week average, from Google's US business screening page, both opened the same day. That some changes take hours and others several months comes from Google's SEO starter guide, as recorded in this project's verified data on 12 August 2026. The 97 % and 75 % figures appear in ServiceTitan's guide without a study, a sample or a date, checked on 14 September 2026, and are named here as unsourced, not used as evidence. The HVAC high-risk mention comes from a Search Engine Journal guide published on 16 March 2024. The cost band in the FAQ is an observation of the small-business market, compatible with SE Ranking's pricing survey of 13 December 2024, 260 agency responses, in which 64 % of agencies charge under 1,000 USD a month and whose authors warn the sample may not reach statistical significance. Verified as of September 2026.

Primary sources, opened on 14 September 2026: Google's local ranking factors; how Local Services leads work; Local Services screening requirements in the US; the SE Ranking pricing survey.

What this changes

HVAC marketing is usually budgeted as a year: a retainer, an annual target, a report every month that looks roughly like the last one. The demand does not arrive as a year. It arrives as two short contests, each one decided by work done while the other was still running.

That changes what a good September looks like. The company that wins December is the one whose heating pages, profile updates and screened ads were finished while the phones were still ringing about air conditioning, and the one that loses is often the one that was busiest in summer. Being fully booked in July is a good month. It is also, very often, the reason the winter was lost.

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