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How do heating engineers get recommended by AI assistants?

Updated · 9 min read · By the SearchCrow team

AI assistants recommend heating engineers whose registrations and specialisms they can confirm: Gas Safe registration for gas work, MCS certification for heat pumps, OFTEC or HETAS for oil and solid fuel, a Google Business Profile with accurate areas and hours, and pages that say exactly which systems, fuels and brands you work on. Heating questions are specific and often tied to grants, safety and legal duties, so precise, checkable detail is what gets you named. Publish your registration numbers, link to the registers and keep everything consistent.

Key takeaways

  • Heating questions split into breakdowns, servicing, replacements, heat pumps and landlord checks. Give each its own page.
  • Gas work legally requires Gas Safe registration; heat pump grants require an MCS certified installer. Show both clearly if they apply to you.
  • If you install heat pumps, explain the Boiler Upgrade Scheme using current GOV.UK figures and date the page.
  • Name the fuels (gas, LPG, oil, solid fuel, electric) and brands you work on, and any manufacturer accreditation.
  • Prepare before the heating season, when breakdown and servicing questions peak.

What do customers ask AI when they're looking for a heating engineer?

They describe a symptom, a decision or a deadline. The prompts below are illustrative examples of the kinds of questions customers ask, not measured search volumes.

IntentExample prompts (illustrative)
Urgent"Boiler is showing a pressure fault and we have no heating, who can come today in Nottingham?" / "Oil boiler won't fire, engineer near Bury St Edmunds"
Comparison"Heat pump or new gas boiler for a 1930s semi?" / "Is it worth replacing a 15-year-old boiler that still works?"
Local"MCS heat pump installer near Exeter registered for the Boiler Upgrade Scheme" / "Worcester Bosch accredited installer in Reading"
Price"How much is a combi boiler replacement?" / "How much grant can I get for an air source heat pump?"
Trust and compliance"How do I check my engineer is Gas Safe registered?" / "Who can do a landlord gas safety certificate in Leicester?"

Three things make heating different from general plumbing. First, registration is part of the question: people ask for a Gas Safe engineer, an MCS installer or an OFTEC technician by name. Second, grants drive heat pump questions, and assistants answer those using GOV.UK and MCS pages; installers who explain the scheme clearly fit naturally into the answer. Third, landlords have a legal deadline every year, so they ask practical "who can do this by Friday" questions.

Where does AI get its answers about heating engineers?

From your website, your Google Business Profile, the official registers for each fuel and technology, GOV.UK grant pages, manufacturer installer searches and review sites.

Google Business Profile. Google says Business Profiles "can help your products and services to be visible in both AI responses and other Google Search results" (Google Search Central, 2026), and that "more reviews and positive ratings can help your business's local ranking" (Google Business Profile Help, 2026).

Gas Safe Register (UK). The Gas Safety (Installation and Use) Regulations 1998 require employers and self-employed people doing gas work to be "a member of a class of persons approved for the time being by the Health and Safety Executive" (legislation.gov.uk). Doncaster Council puts it plainly: "By law, you must be on the Gas Safe Register to carry out gas work", and tells residents to "always ask to see your gas engineer's Gas Safe Register ID Card" and check the register online (Doncaster Council, 2026).

Landlord gas safety checks (UK). HSE says the landlord's annual gas safety record must be issued by a Gas Safe registered engineer, given to existing tenants within 28 days of the check and to new tenants before they move in, and kept for at least two years (HSE, 2026). That is a recurring, deadline-driven job customers search for.

MCS (UK). MCS calls itself "the UK's quality mark for small-scale renewable energy technologies" (MCS, 2026). Its installer search lets customers filter by technology, region and whether an installer is "Boiler Upgrade Scheme Registered", and each listing shows a certification number and regions covered (MCS, 2026).

Boiler Upgrade Scheme (England and Wales). GOV.UK lists £7,500 towards an air source or ground source heat pump, £5,000 towards a biomass boiler and £2,500 towards an air-to-air heat pump (GOV.UK, 2026). Customers are told to contact "suitable MCS certified installers" for quotes, and "the installer will apply on your behalf" (GOV.UK, 2026). The scheme is open in England and Wales (GOV.UK, 2026).

OFTEC, HETAS and competent person schemes (UK). OFTEC says its registered businesses and technicians are approved to install and maintain oil, solid fuel, electrical and renewable heating equipment, and runs a find-a-technician search (OFTEC, 2026). HETAS describes itself as "the only competent person scheme specialising in the installation of solid fuel and biomass appliances" (HETAS, 2026). GOV.UK lists the schemes covering heating and hot water systems, and notes that the Gas Safe Register is not technically a competent person scheme (GOV.UK, 2026).

Manufacturer installer networks. Boiler makers run their own installer searches. Worcester Bosch, for example, says extended guarantees are available "when installed by a Worcester Bosch Accredited Installer with a Greenstar System Filter" (Worcester Bosch, 2026). These searches are another independent place your business name, area and accreditation appear.

Vetted directories (UK). TrustMark tells homeowners to check a business is registered for the specific trade they need (TrustMark, 2026). Which? Trusted Traders uses a credit check, customer references and a trading standards assessment (Which?, 2026). Google's Local Services Ads, a paid option, list HVAC (heating or air conditioning) as a category on Google's UK-English help page (Google Ads Help, 2026).

US equivalents. Heating and HVAC licensing is set by states and localities. Technicians who "maintain, service, repair, or dispose of" equipment that could release refrigerants must hold EPA Section 608 certification (EPA, 2026), so if you work on heat pumps or air conditioning in the US, state it.

AI crawlers. Sites opted out of OpenAI's OAI-SearchBot "will not be shown in ChatGPT search answers" (OpenAI, 2026). Perplexity uses PerplexityBot (Perplexity, 2026), and Anthropic uses Claude-SearchBot for search (Anthropic, 2026).

Steps 1 to 3 should be done before the weather turns cold.

  1. Get your Google Business Profile right. Real trading name with no keywords ("including unnecessary information in your business name isn't permitted"), one profile per business, address hidden if customers don't visit, and an accurate service area (Google Business Profile Help, 2026). Pick a heating primary category, and add plumbing only if you do general plumbing work. If you take breakdown calls out of hours, say so.
  2. Publish every registration with a way to check it. Gas Safe registration number; MCS certification number and technologies; OFTEC or HETAS registration; manufacturer accreditations. Link each to the relevant register or installer search. Only claim what the register shows.
  3. Create a page for each type of job. Boiler breakdowns and repairs; annual servicing; boiler replacement; landlord gas safety checks; heat pumps; oil or LPG; smart controls and system upgrades. On each, give areas covered, response times, how you price and what's included.
  4. List fuels, systems and brands. "We service and repair Worcester Bosch, Vaillant and Ideal gas boilers, and Grant oil boilers" is the kind of line an assistant can match to "who services Vaillant boilers near me". Only list brands you genuinely work on.
  5. Explain heat pump grants accurately. If you're MCS certified and registered for the Boiler Upgrade Scheme, explain who's eligible, that you apply on the customer's behalf, and the current amounts from GOV.UK. Put a "last checked" date on the page and review it whenever GOV.UK changes.
  6. Write a landlord page. Explain what the annual gas safety check covers, how quickly you can issue the record, and whether you offer reminders or portfolio pricing. Landlords and letting agents ask exactly these questions.
  7. Add HVACBusiness structured data. HVACBusiness is a schema.org subtype of HomeAndConstructionBusiness (Schema.org); Google lets you list several types as an array if you also do plumbing (Google Search Central, 2026). Google also says no special schema is required for AI features (Google Search Central, 2026), so keep it accurate and simple.
  8. Ask every customer for a review that names the job. "Replaced our old back boiler with a combi in a day, explained the controls" helps future customers and assistants. Google prohibits review incentives and selectively asking happy customers (Google, 2026). The DMCC Act bans fake and concealed incentivised reviews in the UK from 6 April 2025 (CMS, 2025).

Also check that robots.txt and any security plugin aren't blocking OAI-SearchBot, PerplexityBot, Claude-SearchBot or Googlebot.

Mistakes that keep heating engineers out of AI answers

  • "Heating engineer" with no detail. Gas, oil, LPG, heat pumps, solid fuel and electric heating are different jobs with different registrations. Say which you do.
  • Out-of-date grant figures. Grant amounts and rules can change. An old figure on your site can be repeated by an assistant and mislead customers. Link to GOV.UK and date the page.
  • Claiming grant eligibility without MCS. GOV.UK directs customers to MCS certified installers. Don't imply you can access the scheme if you're not certified and registered.
  • A Gas Safe logo with no number. Customers are told to check the register. Give them, and assistants, the number to check.
  • No landlord page. Landlord gas safety checks are an annual legal requirement. If you do them, a dedicated page is easy work you can win.
  • Keyword-stuffed names and duplicate profiles. Both break Google's guidelines and split your reviews.

How to check whether AI recommends your heating business

Once a month, and before the heating season starts, run a short test.

  1. Write 10 questions covering a breakdown, a service, a boiler replacement, a heat pump grant, a landlord check, a price question and a trust question, each with your town or postcode.
  2. Ask each in ChatGPT, Perplexity, Gemini, Copilot and Claude, and run the same searches in Google to see AI Overviews. Use a private window and stay logged out where you can.
  3. Note whether you're named, who's named instead, and which sources are cited, such as the MCS search, GOV.UK, manufacturer installer pages or Checkatrade.
  4. In Google Search Console, AI Overviews and AI Mode traffic is included in your overall search traffic (Google Search Central, 2026).
  5. If heat pump answers keep naming the same installers, compare their MCS listings and grant pages with yours.

SearchCrow does this for you. It asks the major assistants the questions your customers ask, shows when your heating business is recommended and who is named instead, and tells you which fixes to make first.

FAQ

Why doesn't ChatGPT recommend my heating business? Usually because it can't confirm what you're registered for and what you install. Heating questions are specific: a combi swap, an oil boiler service, a heat pump with a grant. If your site says "heating engineer" without listing fuels, brands, registrations and areas, an assistant can't match you to the question. State your Gas Safe, MCS, OFTEC or HETAS details and link to the registers.

Do I need MCS certification to be recommended for heat pumps? No AI platform has said MCS is a ranking factor. But GOV.UK tells people to get quotes from MCS certified installers for the Boiler Upgrade Scheme, and the installer applies for the grant. The MCS search lets customers filter for installers registered for the scheme. When someone asks an assistant about heat pump grants, MCS-certified installers are the ones that fit the answer.

Should I mention the Boiler Upgrade Scheme on my website? Yes, if you're MCS certified and registered for it. Explain who's eligible, that you apply on the customer's behalf, and what the grant covers. Use the current GOV.UK figures and date the page, because grant amounts and rules change. Out-of-date figures are worse than none, because assistants may repeat them.

Does being a manufacturer-accredited installer help? It gives customers and assistants a specific, checkable fact. Worcester Bosch, for example, says extended guarantees are available when its boilers are installed by an accredited installer with a Greenstar System Filter. Say which brands you're accredited with, link to your listing on the manufacturer's installer search, and explain what guarantee the customer actually gets.

How quickly can a heating engineer start appearing in AI answers? No platform publishes a timescale. Changes to your Google Business Profile, website and reviews have to be crawled and picked up. Fix your profile and registration details now, before the heating season, then recheck the same breakdown, servicing, heat pump and landlord questions every month.

Sources

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