Google Ads for commercial and residential air purification installers: the build order
Written for an installer selling filtration, UV and ventilation upgrades. The policy gate, the HIPAA problem with your remarketing tag, keyword buckets, the negative list to load on day zero, ad copy inside Google's limits, and the weekly hour that keeps it honest — in the order you would actually build the account.
The short answer
To run Google Ads for commercial and residential air purification installers, optimize toward a system installed — recorded in your job management system — rather than toward form fills or booked appointments. A category whose demand was created by a pandemic and whose claims were the reason regulators started looking. The costliest mistake is claiming pathogen reduction. Everything below is the build order, in the sequence you would actually work through it.
Written by Ariful Islam — eight years building Google Ads accounts and the conversion tracking underneath them.
Specific to Air purification
Air purification installer ads: measured claims, installed systems
Run separate Search campaigns for residential whole-home systems and commercial projects, and screen out portable purifier shoppers. Optimize to a system installed in your job management system, valued per job, with commercial proposals tracked as an intermediate step. Get the ad claims right: sell filtration and air changes, not protection from viruses.
Most air purifier searches are retail, owned by Amazon, big-box stores and portable purifier brands. For installed systems you compete with HVAC contractors selling whole-home filtration, UV and ionization add-ons, manufacturer dealer networks, indoor air quality testing firms, and mechanical contractors on commercial work. Demand is seasonal and event-driven: wildfire smoke, allergy season, renovation dust and new building standards. Residential searches spike during smoke events, so a budget that can scale up on those days, in the affected region only, beats a flat monthly figure.
Run residential campaigns for whole-home air filtration, MERV upgrades, UV and air scrubber installation, and commercial campaigns for offices, schools and clinics, where projects are larger and slower. A commercial project is worth many residential installs, so import proposal sent and contract won as separate values; for residential, pass job value and add filter-replacement agreements as repeat revenue. Broad match and Performance Max slide into portable units, replacement filters and car purifiers.
This niche goes wrong on claims. Device-level lab results are not building outcomes, regulators have already acted against pathogen-reduction claims, and Google may disapprove unsupported health claims, so describe filtration efficiency and air changes instead. Some states, such as California, regulate ozone from air cleaning devices; check that what you install complies. From your job management system, send installed jobs and signed commercial contracts with values, joined to the click.
Search terms to start from
- whole house air purification system installed
- hvac air purifier installation
- uv light for hvac installation
- air scrubber installation
- merv 13 upgrade for home
- wildfire smoke filtration for house
- indoor air quality company near me
- commercial air purification contractor
- office air filtration upgrade
- iaq testing and remediation
Negative keywords
- portable
- amazon
- best air purifier for bedroom
- replacement filter
- car air purifier
- dyson
- diy
- reviews
- plants
Read this before step one
Google Ads does not fail on its own. It fails on top of three things that were already broken.
- 01
Conversion tracking that reports the truth
If Google is counting form fills rather than a system installed, every bid it makes is aimed at the wrong outcome. First-party, server-side, joined back to your own system — not a browser tag that a consent banner or a cookie policy can silence.
- 02
A landing page that answers the search
One page for every ad group means the page answers a general question when the search asked a specific one. Google scores that as poor landing page experience and charges you more per click for it.
- 03
The right campaign for the goal
Performance Max on a broken signal spends faster and explains less. Search first, on a conversion you trust, then expand — in that order, because the order is not a preference.
Get all three right and the playbook below compounds. Get the first one wrong and everything below is executed perfectly in the wrong direction — which is the single most expensive thing that happens in this channel.
Not sure which of the three is wrong on your account? Send it over and we will tell you what it is actually reporting.
Check which gate you are behind before you plan anything
Healthcare is not one advertising problem, it is three stacked. Is the treatment advertisable at all? Does the advertiser need certification first? And can the result be measured without disclosing protected health information? A vertical can pass two of those and be stopped dead by the third, and the order matters — there is no point building a keyword list for a category that cannot run.
People build the whole account first and then discover the vertical is gated. The certification clock does not start until you apply, it does not care that your budget is ready, and a rejected application is slower to fix than a fresh one.
Two of these are Google's rules. The third is federal law. Passing the first two does not help you with the third.
| Setting | What Google defaults it to | Set it to |
|---|---|---|
| Is the treatment advertisable | Assumed yes, because a competitor is running ads. | No advertising certification, but pathogen-reduction and health claims are heavily restricted, and several regulators have taken action against sanitiser and UV device claims. |
| Certification | Discovered after the account is built and the ads are disapproved. | None required for this category. Verify against Google's healthcare and medicines policy before launch — the categories move. |
| Measurement | The standard Google tag on every page, including the condition pages. | Google will not sign a BAA. Standard remarketing on condition, symptom or treatment pages is off the table for a covered entity — see the next step. |
Why your remarketing tag is a disclosure, and what to do instead
Google does not sign a business associate agreement for Google Ads. So when a standard tag fires on a page named for a condition, the request that leaves the browser carries an identifier and a URL that names what the visitor was reading — a disclosure of protected health information to a third party. The remarketing tag builds those audience lists automatically, whether or not anyone ever targets them, and that association is the problem. For commercial and residential air purification installers this is not theoretical: the page structure that is good for search is exactly the structure that creates it.
This is the step we get called about most. If you do not have a developer for it, that is the normal situation rather than the exception — it is most of what we do, and it is worth fixing before the spend rather than after.
This is the step that quietly ends most DIY attempts. It is not difficult so much as unforgiving: one parameter carrying a treatment name is a compliance problem, not a bug, and nothing in the interface warns you.
- 01Inventory every page whose URL names a condition, symptom or treatment. That list is your exposure.
- 02Turn off remarketing collection on those pages before anything else. It is the fastest risk reduction available.
- 03Move tagging server-side and first-party, so requests leave your own domain and you decide what is in them.
- 04Strip the page URL and hash the identifiers, then send the outcome — a system installed — from your job management system as the conversion.
- 05Google learns that the click converted and never learns what the person was reading. That is the whole trick, and it is also better measurement.
- 06Do not rely on Google's restricted-category controls to do this for you. They limit targeting; they do not stop the disclosure.
Decide what counts as a conversion before you spend anything
For commercial and residential air purification installers the conversion that matters is a system installed, and it lives in your job management system — not in the ad platform. Google can only optimize toward what you send it, so whatever you pick here decides what the algorithm spends the next ninety days chasing.
Everyone agrees the real conversion matters and then optimises to form fills anyway, because form fills are the number that is already there. The wrong choice here is invisible for ninety days and then expensive.
- 01Write down the single event that means money: a system installed.
- 02Find where it is recorded today. For this vertical that is your job management system.
- 03Check whether that record can be joined back to a click — a GCLID field, a hashed email, a phone number captured at the form.
- 04Mark every softer action as secondary, so it reports without bidding.
The ad buys a consultation. The consultation is not the sale.
The conversion is a system installed after an assessment. is easy to generate and expensive to hold. Optimize toward it and the account gets very good at finding people who will book and not arrive, or arrive and not proceed — and it will report that as an improving cost per conversion the whole time. The stage that pays is a system installed, and it sits below the line the ad platform can see.
The booking system and the ad platform disagree and nobody reconciles them, so the campaign looks fine on the dashboard while the chairs stay empty.
An account optimized to consultations will fill the diary and empty the theatre.
Turn off the three defaults before you turn the campaign on
Google enables these on every new Search campaign, and none of them are keyword decisions. Everything else in this playbook operates on whatever is left after they have taken their cut.
For Air purification · Split residential and commercial into separate campaigns with their own radius; commercial can reach further. Keep a smoke-season budget ready to raise in affected regions only, and run residential ads into evenings and weekends.
Half an hour of switches that decides where a year of budget goes — and it is the screen everyone skips because it looks like boilerplate.
| Setting | What Google defaults it to | Set it to |
|---|---|---|
| Networks — search partners | Included. Your ads run on sites that are not Google. | Off at launch. Add it back later as its own campaign, when you can see what it contributed. |
| Networks — display expansion | Included. A Search campaign quietly starts buying banners. | Off. Mixing display into search makes both unreadable, and in health it also widens your placement risk. |
| Locations — targeting | Presence or interest — people merely interested in your area count. | Presence only. Under Location options, choose people in or regularly in your targeted locations. |
| Audiences | Remarketing lists added by habit. | Not from condition pages. This is the setting that turns a policy question into a HIPAA question. |
Build the keyword list in four buckets, not one
One flat keyword list is why most practices cannot tell which half of the budget works. Sorting by the intent behind the search lets you bid, write and judge each group on its own terms — and in health it also separates the problem-aware searches, whose landing pages are the ones carrying your privacy exposure.
The list is easy to build and hard to bucket. Sorted by volume instead of by intent, it produces an account you cannot read six weeks later.
| Bucket | Terms to build on |
|---|---|
| Residential installHomeowners ready for an installed system; install and HVAC qualifiers screen out portable shoppers. |
|
| Smoke and allergy eventsSpikes from wildfire smoke, allergy season and renovation; scale budget regionally when they hit. |
|
| Commercial projectsOffices, schools and clinics; larger and slower jobs tracked by proposal and contract. |
|
| Testing and diagnosisIAQ testing leads into installs; cheaper clicks with a longer path to revenue. |
|
Load the negatives before the first click, not after the first invoice
Every health vertical has searches that look commercial and are not: job seekers, students, people looking for free care, and researchers who will never book. Broad and phrase match will find all of them for you. Add this at the account level on day zero.
The starting list is the easy part. The list that matters is the one you build from your own search terms report every week, and that is the habit almost nobody keeps past month two.
- portable
- amazon
- best air purifier for bedroom
- replacement filter
- car air purifier
- dyson
- levoit
- diy
- reviews
- plants
- for sale
- desk
- essential oil
- humidifier
- jobs
- hvac school
- air quality index
- aqi
- mask
- coupon
Match types, and why exact has not meant exact since 2021
Exact match includes close variants — misspellings, plurals, reordered words, dropped function words. Phrase now behaves roughly like the old broad-match-modified. Broad reaches as far as Google judges useful, which with a trustworthy conversion signal is valuable and without one is an open tap. Start narrow, prove the signal, then widen.
For Air purification · Phrase and exact with install, HVAC or whole-house in the term. Broad match on air purifier goes straight to portable units and replacement filters, so keep it off.
Broad match added early, before the conversion signal is trustworthy, teaches the algorithm the wrong lesson faster than any other single decision in the account.
- 01Launch on exact and phrase only. You are buying data you can read, not volume.
- 02Give broad match its own campaign when you add it, so its spend and search terms stay separable.
- 03Keep 5 to 10 tightly themed keywords per ad group. An eleventh is usually a signal to build another ad group.
One ad group per intent, and a landing page that matches it
Ad groups exist so the ad can answer the search. The moment a group holds two intents the ad has to be vague enough to cover both, and vague ads lose on relevance before budget enters the picture.
The structure is quick to draw and slow to serve: every ad group you create needs its own ads and its own page, so the build you sketched in an afternoon turns into a fortnight of copywriting.
- AG01
Whole-home filtration
Installed media and HEPA systems; the core residential revenue line.
- whole house air filtration
- whole home air purifier installed
- hepa bypass installation
- media filter cabinet installation
- merv 13 upgrade home
- AG02
UV and air scrubbers
Add-on devices with claim risk; copy sticks to how they work, never to pathogens.
- uv light for hvac
- hvac uv light installation
- air scrubber installation
- uv air purifier for ductwork
- in duct air purifier
- AG03
Smoke and allergy season
Event-driven demand with its own budget so it scales only in affected regions.
- wildfire smoke filtration house
- whole house smoke filter
- allergy air filtration home
- home air filtration for allergies
- smoke air purification system
- AG04
Commercial projects
Long sales cycle and large jobs; proposals import as a separate step.
- commercial air purification
- office air filtration upgrade
- school air quality upgrade
- commercial iaq contractor
- building air filtration system
- AG05
IAQ testing
Diagnostic entry point with lower value now that routes into installs.
- indoor air quality testing
- iaq testing
- home air quality test
- indoor air quality company
- air quality inspection
Ad copy the practice can actually stand behind
Health is where misrepresentation enforcement is heaviest. Outcome promises, guarantee language and before-and-after implications are the standard disapproval causes, and a pattern of them reads as circumvention rather than a mistake. Every line below is written to be provable on arrival. Character counts are shown because assets over the limit are rejected at upload.
Copy that is fine everywhere else is a policy problem here. In regulated verticals the claim has to be provable on the page it lands on, and a disapproval mid-flight stops the ad group dead.
- Whole-Home Air Filtration25/30
- HVAC Air Purifier Installs26/30
- MERV Filter Upgrades20/30
- UV and Air Scrubber Installs28/30
- Commercial IAQ Projects23/30
- Indoor Air Quality Testing26/30
- Smoke Season Filtration23/30
- Get an Installation Estimate28/30
- Air Filtration in [City]24/30
- Talk With an IAQ Technician27/30
- Whole-home filtration installed in your existing HVAC system. Request a home assessment.88/90
- We size filtration to your system and airflow, and explain filter changes and upkeep.85/90
- Air filtration upgrades for offices, schools and clinics. Request a site survey.80/90
- Ask about MERV upgrades, HEPA bypass, UV and air scrubber options for your building.84/90
What you need to spend before any of this can be judged
Published cost-per-click figures for health verticals differ by an order of magnitude between sources, so a benchmark from an article is worse than useless. Work backwards from four numbers you already have. The floor is whatever buys roughly thirty conversions a month — below that, smart bidding never leaves the learning phase and you are paying auction prices for a sample too small to teach you anything.
For Air purification · Residential installs arrive in bursts tied to smoke and allergy season, and commercial contracts take months. Fund a steady base for residential estimates and read commercial results quarterly.
The arithmetic is easy. Accepting the answer is not — most accounts launch below the floor anyway and then read the noise as failure.
Why the advertiser bidding the most is often third
Position is not bought, it is earned and then paid for. Google ranks you on your bid multiplied by how good it expects your ad and landing page to be — so a relevant advertiser at half the bid outranks a vague one, and then pays less per click at the same position.
For Air purification · HVAC contractors bidding on whole-home terms and manufacturer dealer networks set residential prices. Retail brands and Amazon own generic purifier terms, which you do not need to win.
Quality is treated as a score to chase rather than a diagnostic to read, so people optimise the number instead of the mismatch it is pointing at.
- 01Read Quality Score as a diagnostic, not a target.
- 02Ad relevance low? The ad group holds more than one intent. Split it.
- 03Landing page experience low? One page is serving every ad group.
- 04Expected CTR low? Rewrite the headlines against the actual search terms, not the keyword.
Bidding, and the point at which you are allowed to change it
Maximize Conversions on installs. Assessments are the qualifying step in commercial work. Smart bidding is a data problem before it is a strategy problem: with thin or wrong conversion data it will confidently optimize toward noise, and it does that faster than a manual account can lose money.
For Air purification · Start on capped Maximize Clicks, then Maximize Conversions on estimate requests. Shift to value-based bidding once installed jobs import with values, and keep commercial proposals as a secondary step.
A target set before the data exists is a guess the algorithm will honour to the letter.
What to judge, and when you are allowed to judge it
Most accounts are killed or rescued on evidence that could not have meant anything yet. Health cycles are longer than most — a consultation booked in week three may not become revenue until week ten — so the honest schedule is longer too.
For Air purification · Watch estimate-to-install rate by ad group; UV and scrubber leads often want a cheap add-on rather than a system. Review commercial proposals monthly, since one contract can outweigh a quarter of residential jobs.
Accounts get killed on week-three evidence that could not have meant anything yet — and the replacement starts its own learning phase from zero.
The first month buys data. The second corrects for it. The third is the first one worth judging.
- 01Weeks 1–2 — search terms only. Add negatives daily. Cost per conversion is a rumor at this stage.
- 02Weeks 3–4 — first real read on which ad groups get impressions. Fix relevance where the ad and the query disagree.
- 03Weeks 5–8 — conversion data starts to mean something. Near thirty a month, a target becomes an option.
- 04Weeks 9–12 — the first period worth judging on cost per outcome, measured in your own system.
- 05Only now: broad match, Performance Max, or a second location. Each needs the signal you spent the quarter building.
The weekly hour that decides whether this works
An account left alone drifts toward the cheapest clicks it can find, because that is what the system does when nobody corrects it. This is the shortest routine that keeps it honest.
For Air purification · Portable purifier, brand-name and filter-subscription queries recur weekly, more during smoke events. Review leads asking for a single-room unit, and confirm no ad or asset suggests protection from viruses.
This is the one that decides whether any of the above compounds, and it is the first thing to go the week you get busy. An account left alone drifts toward the cheapest clicks it can find, because that is what it is built to do when nobody corrects it.
- 01Search terms — strip consumer-purifier, brand, DIY and HVAC-repair queries
- 02Assessment-to-install rate
- 03Copy audit: no pathogen-reduction or protection claims
- 04Performance stated as measured air changes
When Google Ads is the wrong answer here
Three situations where running this playbook will lose money. Read them before you fund the account, not after.
- You cannot yet record a system installed against the click that caused it. Fix the measurement first — running blind for a quarter costs more than the fix does, and in health it also leaves the privacy problem in place.
- You do not have the capacity to serve what the campaign brings in. Paid search turns on demand faster than most commercial and residential air purification installers can staff for, and a call answered four days late costs the same as one you convert.
- Your budget cannot sustain thirty conversions a month in this auction. Below that, smart bidding never leaves the learning phase and you are paying auction prices for a sample that cannot teach you anything.
Questions this raises
- Can our ads say the system kills viruses?
- Avoid it. Device test results do not prove a building-level outcome, regulators have challenged these claims, and Google may disapprove them; state filtration efficiency or air changes you can document instead.
- Should we raise budgets during wildfire smoke events?
- Yes, in the affected areas, as long as your crews can install within days. Use a separate campaign or seasonality adjustment so the surge does not distort bidding for the rest of the year.
- Can we use remarketing at all?
- Not from pages that name a condition, symptom or treatment, if you are a covered entity — the tag creates the association whether or not you ever target the list. Remarketing from neutral pages, built through a first-party server-side setup that strips the URL and hashes identifiers, is a different question and is usually workable. Take that one to your own counsel; this is engineering guidance, not legal advice.
- Does Google's restricted-category setting solve this for us?
- No. Those controls limit how you can target and personalize. They do not stop the request that carries a page URL and an identifier from leaving the browser. The disclosure is in the data flow, not in the targeting settings.
- How much should we budget to start?
- Enough to buy roughly thirty conversions a month at your own cost per click, with three months of runway. Published health benchmarks vary by an order of magnitude between sources, so work it out from your numbers rather than from a figure in an article — the arithmetic is on this page.
- Should we run Performance Max?
- Not first, and in health not casually. PMax needs a conversion signal worth trusting, will not tell you which of its channels spent your money, and expands your placement surface at the same time. Get Search profitable on the real conversion first.
- Why does the platform's number look better than your job management system?
- Because the ad platform counts what it can see, on its own attribution window, and credits itself generously. Your own system counts what happened. When they disagree, the second one is the one you bank.
- What is the single most expensive mistake in commercial and residential air purification installers?
- Claiming pathogen reduction. Device-level lab results are not building-level outcomes, and regulators have already acted against this claim in several markets.
Five problems we get called in to fix
Every one of these arrived as “the campaign has stopped working”. None of them were the campaign. If you recognize your own symptom here, the cause is probably the one sitting next to it.
Google Ads reports forty conversions. Your own system shows eleven.
Google is counting the form fill or the phone tap. It has never been told which of those became a system installed, so it cannot tell the difference — and neither can the report you are being shown.
Send the outcome back from your job management system as the conversion, with the click joined to it. Bidding starts chasing what you get paid for.
Your agency added remarketing and nobody asked about HIPAA.
The standard tag on condition and treatment pages associates an identifiable visitor with a health concern, and sends it to a company that will not sign a business associate agreement. The audience list does not have to be used for the disclosure to have happened.
Stop collection on those pages today, then move tagging server-side and first-party so the page URL never leaves and identifiers are hashed before anything is sent.
Cost per lead looks excellent and the schedule is full of no-shows.
Smart bidding is doing exactly what it was told. Optimize toward the cheapest conversion and it finds the least committed people, because they are the cheapest to convert.
Give the conversion a value, and count the attended visit rather than the booking. The algorithm can then tell a kept appointment from a hopeful one.
Spend climbs every month and revenue does not follow.
Usually search partners, display expansion and presence-or-interest targeting still on from launch, plus a search terms report nobody has read since. The account is buying reach it was never asked for.
Turn the three defaults off, work the search terms report properly, rebuild the negative list. Least glamorous fix here, usually the biggest.
Conversions collapsed and nothing in the account changed.
The tracking broke, not the campaign. A site update, a consent banner change, or a browser tightening cookie rules — the tag stops firing and the algorithm reads the silence as failure.
First-party server-side tagging so measurement does not depend on a third-party cookie surviving, then monitoring so the next break is an alert rather than a quarter.
What this costs you, in hours
Every step above is doable. Together they are a project with a tail. Nobody tells you this part, so here it is before you start rather than in month three.
So what should you actually do with this?
Three honest options. The first one is genuinely fine for a lot of businesses, and we would rather you picked it knowingly than drifted into it.
Run it yourself
Good if you have the hours and someone technical
- 23–30 hours to build, then 3–4 every week
- You end up understanding your own account, which is worth real money later
- The measurement step still needs a developer
- Your mistakes are paid for at auction prices while you learn
Hire a general agency
Good if you want it off your desk this month
- Fast to start, and most are competent at the campaign work
- Usually optimizes toward whatever is easy to count — the form fill, the booked call
- Reports come from the ad platform's own numbers
- The measurement problem stays yours, because it lives in your systems
Work with us
Good if the reporting has stopped matching reality
- We build the measurement first — first-party, server-side, joined back to your job management system
- Then we run the account on a conversion we can both check
- Reporting is against your numbers, not the Google column
- Eight years of this, and the tracking and the media are the same team
We are not going to promise you a number. Anyone who quotes you a return before seeing what your account currently reports is guessing, and the guess is always flattering. What we will tell you, for free and before any of this becomes a conversation about money, is what your account is actually measuring today.
Or we run it for you
Eight years of Google Ads, on top of tracking that reports the truth.
Everything above is doable, and none of it is the hard part — the hard part is doing it every week for a year while running the business it is meant to fill. That is the 3–4 hours a week you just read about, on top of the 23–30 to build it.
Most agencies will run the campaign and take your word for what a conversion is. We build the measurement first — first-party, server-side, joined back to your job management system — and then manage the account on a signal we can both trust. It is the same reason the playbook above starts with the conversion rather than the keywords.
- Account build or rebuild, structured the way this page describes
- Conversion tracking wired to your job management system, not to form fills
- Server-side, first-party tagging so the signal survives the browser
- Landing pages that answer the ad, one per intent
- Monthly reporting against your own numbers, not the Google column
- The search terms report worked every week, not quarterly
The first conversation is a read of what your account is actually reporting. No deck, and nothing to sign to get it.
