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AI Visibility Index · September 2026

Plumbers in New York that AI assistants recommend

We asked ChatGPT, Claude, Gemini and Grok the four questions a buyer asks when looking for plumbers in New York, three times each, in English, and counted who they named. These are the businesses named in two or more of the 48 answers.

Check whether AI names youSee the ranking

Names are printed as the assistants wrote them. We have not checked that any of them is good, open, or real.

Plumbers · New York
33%of answers named Petri Plumbing & Heating
Answers
48
Businesses named
41
Named only once
23
Named by 2+ assistants
11 of 18
Named again on a rerun
34%

Edition September 2026. Download the data

Asked for plumbers in New York, ChatGPT, Claude, Gemini and Grok most often named Petri Plumbing & Heating (33% of answers), Roto-Rooter Plumbing & Water Cleanup (31%) and Hub Plumbing & Mechanical (25%). Across 48 answers they named 41 different businesses, 23 of them only once. Each of four buyer questions was asked three times, in English, in September 2026.

The ranking

Share is the fraction of the 48 answers that named a business. The range under it is a 95% confidence interval: where two ranges overlap, the gap between those businesses could be chance.

Plumbers in New York named by AI assistants, September 2026
#BusinessShareChatGPTClaudeGeminiGrokQuestionsAvg. position
1Petri Plumbing & HeatingAlso written Petri Plumbing, Heating, Cooling & Drain Cleaning33%95%: 22 to 48%17%17%100%0%4 of 41.8
2Roto-Rooter Plumbing & Water CleanupAlso written Roto-Rooter Plumbing & Water Cleanup – New York City, Roto-Rooter Plumbing & Water Cleanup of New York, Roto-Rooter Plumbing & Water Cleanup of New York City, Roto-Rooter Plumbing & Water Cleanup — New York, NY31%95%: 20 to 45%50%58%17%0%3 of 41.2
3Hub Plumbing & Mechanical25%95%: 15 to 39%0%0%100%0%4 of 41.7
4Fred Smith Plumbing & Heating25%95%: 15 to 39%0%0%100%0%4 of 44.2
5Ranshaw Plumbing & Heating17%95%: 9 to 30%42%25%0%0%3 of 41
6Balkan Sewer & Water Main Service17%95%: 9 to 30%0%0%67%0%4 of 43
7Harris Water Main & SewerAlso written Harris Water Main & Sewer Contractors15%95%: 7 to 27%42%17%0%0%4 of 43.1
8Lenox Plumbing10%95%: 5 to 22%17%25%0%0%3 of 42.4
9Empire Plumbing & Heating10%95%: 5 to 22%0%0%42%0%4 of 44.8
10Michael & SonAlso written Michael & Son New York, Michael & Son Plumbing — New York, NY, Michael & Son Services8%95%: 3 to 20%8%25%0%0%3 of 42
11Michael Donahue Plumbing & Heating8%95%: 3 to 20%8%25%0%0%3 of 42.5
12Roto-Rooter Plumbing & Drain ServiceAlso written Roto-Rooter Plumbing & Drain Service of New York City6%95%: 2 to 17%8%17%0%0%1 of 41
13A Good Plumber Inc.6%95%: 2 to 17%0%25%0%0%2 of 42.3
14Michael Donohue Plumbing & Heating6%95%: 2 to 17%17%8%0%0%2 of 42.7
15Michael J. Riordan & Son Plumbing & HeatingAlso written Michael Riordan Plumbing & Heating4%95%: 1 to 14%8%8%0%0%1 of 42
16Horizon Plumbing & MechanicalAlso written Horizon Services – New York4%95%: 1 to 14%17%0%0%0%2 of 42.5
17B&D Plumbing & HeatingAlso written B&D Plumbing and Heating4%95%: 1 to 14%0%8%8%0%2 of 43
18Belfiore Plumbing & Heating4%95%: 1 to 14%0%0%17%0%2 of 43.5

Each assistant column is the share of that assistant's own answers. Questions counts how many of the four produced the name at least once; position is where it came in the answer's list, 1 being first. 23 more names came up in a single answer and are counted above but not listed.

What each assistant said

The same questions, the same number of times, and often different names. Each column is one assistant's top five from the ranking above, with the share of its own answers that named them.

#ChatGPTClaudeGeminiGrok
1Roto-Rooter Plumbing & Water Cleanup50%Roto-Rooter Plumbing & Water Cleanup58%Petri Plumbing & Heating100%Named no business
2Ranshaw Plumbing & Heating42%Ranshaw Plumbing & Heating25%Hub Plumbing & Mechanical100%
3Harris Water Main & Sewer42%Lenox Plumbing25%Fred Smith Plumbing & Heating100%
4Petri Plumbing & Heating17%Michael & Son25%Balkan Sewer & Water Main Service67%
5Lenox Plumbing17%Michael Donahue Plumbing & Heating25%Empire Plumbing & Heating42%

Grok named no business in any of its 12 answers.

Named here? Put it on your site

Every business in the ranking was named in two or more answers. The badge says that and nothing more: no position, because the ranges above do not support one. It links back to this page, so anyone can check.

Correct or remove a listing
Named by AI assistants: Plumbers in New York, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/plumbers/new-york"><img src="https://aigrow.gg/badges/index/2026-09/plumbers/new-york.svg" width="312" height="100" alt="Named by AI assistants: Plumbers in New York, AIGROW AI Visibility Index, September 2026"></a>

The questions

Asked word for word, three times each, to every assistant through its API. The prompt is the one the free scan uses. No web search, no location and no chat history, so every answer starts from the same place.

  1. 1Who is the best plumber in New York?
  2. 2I have a leaking pipe at home in New York. Which plumbing company should I call?
  3. 3I need an emergency plumber in New York tonight. Who would you recommend?
  4. 4Which plumber in New York would you trust to replace a water heater?

How to read this page

The full method
What it measures
Which names these models produce when asked cold, from what they learned in training. It is not a review, a rating or our recommendation, and a business missing here may simply be one the models were never shown.
Why the ranges matter
48 answers is a sample. Asked again next month, most shares will move by a few points; the ranges say how far they could move by chance alone.
One business, several spellings
Branches, legal suffixes and spellings of one business are merged, and the other spellings are printed under its name. Names that might be two businesses are kept apart.
A name is wrong
If a business here is closed, misnamed or yours and you want it removed, tell us. We correct or remove it when the page is next published.

Elsewhere in the Index

Plumbers elsewhere
AustinBostonChicagoDallasHoustonLos Angeles
Also in New York
DentistsLawyersAccountantsGymsReal estate agenciesRestaurants

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Edition September 2026 · data under CC BY 4.0