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AI Visibility Index · September 2026

Plumbers in Valencia that AI assistants recommend

We asked ChatGPT and Claude the four questions a buyer asks when looking for plumbers in Valencia, three times each, in Spanish, and counted who they named. These are the businesses named in two or more of the 24 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 · Valencia
92%of answers named Fontanería Valencia 24 Horas
Answers
24
Businesses named
22
Named only once
14
Named by 2+ assistants
5 of 8
Named again on a rerun
43%

Edition September 2026. Download the data

Asked for plumbers in Valencia, ChatGPT and Claude most often named Fontanería Valencia 24 Horas (92% of answers), Fontaneros Valencia (58%) and Desatascos Valencia 24h (17%). Across 24 answers they named 22 different businesses, 14 of them only once. Each of four buyer questions was asked three times, in Spanish, in September 2026.

The ranking

Share is the fraction of the 24 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 Valencia named by AI assistants, September 2026
#BusinessShareChatGPTClaudeQuestionsAvg. position
1Fontanería Valencia 24 HorasAlso written Fontanería Valencia 24 horas92%95%: 74 to 98%92%92%4 of 41
2Fontaneros Valencia58%95%: 39 to 76%67%50%3 of 42.1
3Desatascos Valencia 24hAlso written Desatascos Valencia 24H17%95%: 7 to 36%8%25%3 of 42.3
4Desatascos Valencia 24 Horas13%95%: 4 to 31%0%25%2 of 42.3
5Fontanería J. M. Valencia8%95%: 2 to 26%8%8%1 of 43
6Multiservicios Valencia 24H8%95%: 2 to 26%17%0%1 of 43
7Reparaciones Valencia8%95%: 2 to 26%0%17%1 of 43
8Reparaciones Valencia 24H8%95%: 2 to 26%8%8%2 of 43

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. 14 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.

#ChatGPTClaude
1Fontanería Valencia 24 Horas92%Fontanería Valencia 24 Horas92%
2Fontaneros Valencia67%Fontaneros Valencia50%
3Multiservicios Valencia 24H17%Desatascos Valencia 24h25%
4Desatascos Valencia 24h8%Desatascos Valencia 24 Horas25%
5Fontanería J. M. Valencia8%Reparaciones Valencia17%

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 Valencia, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/plumbers/valencia"><img src="https://aigrow.gg/badges/index/2026-09/plumbers/valencia.svg" width="312" height="100" alt="Named by AI assistants: Plumbers in Valencia, AIGROW AI Visibility Index, September 2026"></a>

The questions

Asked word for word, three times each, to every assistant through its API, in Spanish. The English under each is our translation. 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. 1¿Quién es el mejor fontanero de Valencia?Who is the best plumber in Valencia?
  2. 2Tengo una fuga de agua en casa, en Valencia. ¿A qué fontanero debería llamar?I have a leaking pipe at home in Valencia. Which plumbing company should I call?
  3. 3Necesito un fontanero urgente en Valencia esta noche. ¿A quién me recomiendas?I need an emergency plumber in Valencia tonight. Who would you recommend?
  4. 4¿Qué fontanero de Valencia me recomiendas para cambiar el termo?Which plumber in Valencia 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
24 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
BarcelonaMadridMálagaSevilleGuadalajaraMexico City
Also in Valencia
Dentists

Is your business on this list?

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Edition September 2026 · data under CC BY 4.0