How to Get Your HVAC Company Recommended by ChatGPT, Gemini and Claude

More homeowners now ask an AI assistant who to call when the AC quits. The assistant names two or three companies. This guide covers how those names get picked and what you can do to be one of them.

Why this matters for HVAC owners

A homeowner with no heat at 9pm used to type "furnace repair near me" into Google and scroll. Now a growing number open ChatGPT, Gemini or Claude and ask, "Who's the best furnace repair company in my area?"

The answer is different from a search results page. There are no ten blue links and no ads to scroll past. The assistant gives a short list, often with a sentence on why each company made it. If you aren't on that list, that homeowner never sees you.

This work has a few names: AEO (answer engine optimization), GEO (generative engine optimization) or simply AI search optimization. They all mean the same thing: making your company the one AI assistants name.

How AI assistants pick local businesses

Each assistant works differently, and they all change often. But when someone asks a local question, most of them do some version of the same thing: they search the web, read what comes back, and summarize the companies that look most trustworthy and relevant. That means they lean on the same signals that already matter for local search, plus a few new ones.

Web search results

When an assistant browses for a local answer, it pulls from search engines. If your company doesn't show up in normal search for "AC repair in [your city]", the assistant has a hard time finding you. Classic local SEO is the foundation, not a separate project.

Reviews and review sites

Assistants often mention ratings and review counts, and they read review text to describe what a company is known for. A steady flow of recent, detailed reviews on Google and other review sites gives them something specific to say about you, like "known for same-day service" or "praised for clean duct work".

Business listings and consistent details

Your Google Business Profile, Bing Places, Apple Business Connect, Yelp, BBB and industry directories all describe your company. When your name, address, phone number and hours match everywhere, the assistant can be confident they all describe the same business. When they conflict, you look less certain, and less certain companies get left out.

Citations and local mentions

Mentions in local news, chamber of commerce pages, supplier dealer locators and "best of" lists all count as outside proof that you exist and do good work. Assistants pick up on these, especially when they repeat the same facts about you.

Your own website

This is where many HVAC sites fall short. A homepage that says "quality service, call today" gives an assistant nothing to quote. What helps:

• One page per service: AC repair, furnace repair, heat pump installs, duct cleaning, maintenance plans.
• Clear service-area pages that name the cities and neighborhoods you actually cover.
• FAQ content that answers real customer questions in plain language: "How long does duct cleaning take?" "Do you charge for a diagnostic?"
• Schema markup (structured data such as the LocalBusiness or HVACBusiness types) that spells out your name, services, area and hours in a format machines read easily.

A fast, clear site helps here and with your ad results. Our HVAC website design page covers what we build.

llms.txt

llms.txt is a plain text file at the root of your site that summarizes your business for AI tools. It's an emerging convention, not an official standard, and no assistant promises to use it for rankings. It takes ten minutes to write, so it's worth having. Just don't expect it to move the needle on its own.

How to test your AI visibility

You don't need a tool to start. Open ChatGPT, Gemini and Claude and ask the questions your customers ask. Use a few different phrasings, because answers shift with wording:

• "Who's the best HVAC company in [city]?"
• "My AC stopped working. Who should I call in [city]?"
• "Recommend a duct cleaning company near [neighborhood]."
• "Which furnace repair companies in [city] have the best reviews?"

Write down three things for each prompt: whether you're named, which competitors are named, and what the assistant says about each one. That last part tells you what it believes about your market.

Repeat the same prompts every month. Answers vary from one session to the next, so look at the trend over several checks rather than one result. If a competitor keeps showing up and you don't, compare their reviews, listings and website against yours. The gap usually becomes obvious.

Step-by-step checklist

1. Audit your business details. Pick one exact version of your name, address, phone and hours. Fix every listing that doesn't match.
2. Complete your Google Business Profile. Categories, services, service area, hours, photos and a real description. Answer questions people post there.
3. Claim the other big listings. Bing Places, Apple Business Connect, Yelp, BBB and the directories your trade and your equipment brands run.
4. Build a review habit. Ask every happy customer, every week. Reply to every review, good or bad. Detailed reviews that mention the service and the town help most.
5. Publish one page per service and per main city. Write for homeowners, not keywords. Say what you do, where, how fast and what it usually involves.
6. Add an FAQ section with the questions your techs and CSRs hear every day.
7. Add schema markup for your business type, services and FAQs.
8. Add an llms.txt file that sums up your services, area and contact details.
9. Earn local mentions. Sponsor a team, join the chamber, get listed on your suppliers' dealer locators, talk to local press about seasonal tips.
10. Test monthly with the prompts above and track what changes.

How this fits with your ads

AI visibility and Google Ads feed each other. The same reviews, listings and clear website that help assistants recommend you also lift your ad conversion rates, because homeowners who click an ad check you out before they call. For most HVAC companies we run both: Google Ads for HVAC for calls this week, and AI search optimization so you get named more over the coming months.

If you run Local Services Ads too, the same review strength helps there. See Local Services Ads vs Search Ads for HVAC for how the two ad types compare.

What we do

We handle the checklist above for HVAC and duct cleaning companies, alongside Google Ads and website work. One past client used this playbook to grow past $1M in annual revenue. Our first month is on us. You pay Google directly for any ad clicks, there's no contract, and if the numbers aren't there, we stop. We only make money if you do.