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Plumbers in Trondheim that AI assistants recommend

Rørlegger'n is named most, in 50% of 36 answers.

The ranking

AI Recommendation Rate

Plumbers in Trondheim named by AI assistants, November 2026

  1. 1Rørlegger'n50%

    95%: 35 to 66%

    ChatGPT
    50%
    Claude
    100%
    Gemini
    0%
    Questions
    4 of 4
    Avg. position
    1.1

    Named in answers to

    • Who is the best plumber in Trondheim?, from Claude
    • I have a leaking pipe at home in Trondheim. Which plumbing company should I call?, from ChatGPT and Claude
    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from ChatGPT and Claude
    • Which plumber in Trondheim would you trust to replace a water heater?, from ChatGPT and Claude

    Also written Rørlegger'n AS, Rørlegger'n Trondheim, Rørlegger'n Trondheim AS, Rørlegger’n Trondheim AS

    Is this your business?
  2. 2Trondheim VVS33%

    95%: 20 to 50%

    ChatGPT
    8%
    Claude
    0%
    Gemini
    92%
    Questions
    4 of 4
    Avg. position
    2.2

    Named in answers to

    • Who is the best plumber in Trondheim?, from Gemini
    • I have a leaking pipe at home in Trondheim. Which plumbing company should I call?, from Gemini
    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from ChatGPT and Gemini
    • Which plumber in Trondheim would you trust to replace a water heater?, from Gemini

    Also written Trondheim VVS AS, Bademiljø

    Is this your business?
  3. 3Rørlegger Trondheim AS28%

    95%: 16 to 44%

    ChatGPT
    0%
    Claude
    42%
    Gemini
    42%
    Questions
    3 of 4
    Avg. position
    2.4

    Named in answers to

    • I have a leaking pipe at home in Trondheim. Which plumbing company should I call?, from Claude and Gemini
    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from Claude and Gemini
    • Which plumber in Trondheim would you trust to replace a water heater?, from Claude
    Is this your business?
  4. 4Comfort28%

    95%: 16 to 44%

    ChatGPT
    8%
    Claude
    42%
    Gemini
    33%
    Questions
    4 of 4
    Avg. position
    2.8

    Named in answers to

    • Who is the best plumber in Trondheim?, from Claude
    • I have a leaking pipe at home in Trondheim. Which plumbing company should I call?, from ChatGPT and Gemini
    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from Gemini
    • Which plumber in Trondheim would you trust to replace a water heater?, from Claude

    Also written Comfort Trondheim, Comfort Rørlegger Trondheim, Comfort Rør og Bad

    Is this your business?
  5. 5Rørlegger125%

    95%: 14 to 41%

    ChatGPT
    25%
    Claude
    0%
    Gemini
    50%
    Questions
    3 of 4
    Avg. position
    1.1

    Named in answers to

    • Who is the best plumber in Trondheim?, from ChatGPT and Gemini
    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from Gemini
    • Which plumber in Trondheim would you trust to replace a water heater?, from ChatGPT and Gemini

    Also written Rørlegger1 Trondheim, Rørlegger1 Trondheim AS, Rørlegger 1 Trondheim AS, Rørlegger 1 AS

    Is this your business?
  6. 6Trondheim Rørservice25%

    95%: 14 to 41%

    ChatGPT
    0%
    Claude
    75%
    Gemini
    0%
    Questions
    4 of 4
    Avg. position
    3.2

    Named in answers to

    • Who is the best plumber in Trondheim?, from Claude
    • I have a leaking pipe at home in Trondheim. Which plumbing company should I call?, from Claude
    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from Claude
    • Which plumber in Trondheim would you trust to replace a water heater?, from Claude
    Is this your business?
  7. 7Mesterrør Trondheim22%

    95%: 12 to 38%

    ChatGPT
    0%
    Claude
    67%
    Gemini
    0%
    Questions
    4 of 4
    Avg. position
    2.9

    Named in answers to

    • Who is the best plumber in Trondheim?, from Claude
    • I have a leaking pipe at home in Trondheim. Which plumbing company should I call?, from Claude
    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from Claude
    • Which plumber in Trondheim would you trust to replace a water heater?, from Claude
    Is this your business?
  8. 8Bravida19%

    95%: 10 to 35%

    ChatGPT
    25%
    Claude
    0%
    Gemini
    33%
    Questions
    4 of 4
    Avg. position
    2.6

    Named in answers to

    • Who is the best plumber in Trondheim?, from ChatGPT
    • I have a leaking pipe at home in Trondheim. Which plumbing company should I call?, from ChatGPT and Gemini
    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from Gemini
    • Which plumber in Trondheim would you trust to replace a water heater?, from Gemini

    Also written Bravida Norge AS, Bravida Norge, Bravida Norge AS – Trondheim

    Is this your business?
  9. 9Oras8%

    95%: 3 to 22%

    ChatGPT
    25%
    Claude
    0%
    Gemini
    0%
    Questions
    2 of 4
    Avg. position
    2

    Named in answers to

    • Who is the best plumber in Trondheim?, from ChatGPT
    • Which plumber in Trondheim would you trust to replace a water heater?, from ChatGPT

    Also written Oras Trondheim AS, Oras Trondheim

    Is this your business?
  10. 10Caverion8%

    95%: 3 to 22%

    ChatGPT
    25%
    Claude
    0%
    Gemini
    0%
    Questions
    2 of 4
    Avg. position
    2.3

    Named in answers to

    • Who is the best plumber in Trondheim?, from ChatGPT
    • Which plumber in Trondheim would you trust to replace a water heater?, from ChatGPT

    Also written Caverion Trondheim, Caverion Norge AS – Trondheim

    Is this your business?
  11. 11K. Lund AS8%

    95%: 3 to 22%

    ChatGPT
    25%
    Claude
    0%
    Gemini
    0%
    Questions
    2 of 4
    Avg. position
    2.3

    Named in answers to

    • I have a leaking pipe at home in Trondheim. Which plumbing company should I call?, from ChatGPT
    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from ChatGPT
    Is this your business?
  12. 12VVS Trondheim8%

    95%: 3 to 22%

    ChatGPT
    0%
    Claude
    25%
    Gemini
    0%
    Questions
    2 of 4
    Avg. position
    4.7

    Named in answers to

    • I have a leaking pipe at home in Trondheim. Which plumbing company should I call?, from Claude
    • Which plumber in Trondheim would you trust to replace a water heater?, from Claude

    Also written VVS Trondheim AS

    Is this your business?
  13. 13Rørkjøp Trondheim6%

    95%: 2 to 18%

    ChatGPT
    17%
    Claude
    0%
    Gemini
    0%
    Questions
    2 of 4
    Avg. position
    1

    Named in answers to

    • Who is the best plumber in Trondheim?, from ChatGPT
    • Which plumber in Trondheim would you trust to replace a water heater?, from ChatGPT
    Is this your business?
  14. 14NTE Elektro og VVS6%

    95%: 2 to 18%

    ChatGPT
    17%
    Claude
    0%
    Gemini
    0%
    Questions
    2 of 4
    Avg. position
    2

    Named in answers to

    • Who is the best plumber in Trondheim?, from ChatGPT
    • Which plumber in Trondheim would you trust to replace a water heater?, from ChatGPT
    Is this your business?
  15. 15Trondheim VVS Senter AS6%

    95%: 2 to 18%

    ChatGPT
    17%
    Claude
    0%
    Gemini
    0%
    Questions
    1 of 4
    Avg. position
    2

    Named in answers to

    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from ChatGPT
    Is this your business?
  16. 16GK Trondheim6%

    95%: 2 to 18%

    ChatGPT
    17%
    Claude
    0%
    Gemini
    0%
    Questions
    2 of 4
    Avg. position
    3

    Named in answers to

    • Who is the best plumber in Trondheim?, from ChatGPT
    • Which plumber in Trondheim would you trust to replace a water heater?, from ChatGPT
    Is this your business?
  17. 17Rørleggervakta6%

    95%: 2 to 18%

    ChatGPT
    0%
    Claude
    17%
    Gemini
    0%
    Questions
    1 of 4
    Avg. position
    4

    Named in answers to

    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from Claude

    Also written Rørleggervakta Trondheim

    Is this your business?
  18. 18VVS-Partner Trondheim6%

    95%: 2 to 18%

    ChatGPT
    0%
    Claude
    17%
    Gemini
    0%
    Questions
    2 of 4
    Avg. position
    5

    Named in answers to

    • Who is the best plumber in Trondheim?, from Claude
    • I need an emergency plumber in Trondheim tonight. Who would you recommend?, from Claude
    Is this your business?

Open a row to see each assistant's share of its 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. 19 more names came up in a single answer and are counted above but not listed.

Plumbers in Trondheim: is this your field?

37different names in 36 answers, 19 of them only once. The assistants change their minds from one answer to the next.

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How the AIGROW Score is measured

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AI Visibility Index · November 2026

Asked about plumbers in Trondheim, ChatGPT, Claude and Gemini named Rørlegger'n most often, in 50% of answers (its AI Recommendation Rate), then Trondheim VVS (33%) and Rørlegger Trondheim AS (28%). Across 36 answers they named 37 different businesses, 19 of them only once. Each of four buyer questions was asked three times, in Norwegian, in November 2026.

The AI Recommendation Rate is the fraction of the 36 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.

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

Plumbers · Trondheim

50% of answers named Rørlegger'n

Answers
36
Businesses named
37
Named only once
19
Named by 2+ assistants
6 of 18
Named again on a rerun
51%

Edition November 2026. Download the data

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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.

#ChatGPTClaudeGemini
1Rørlegger'n50%Rørlegger'n100%Trondheim VVS92%
2Rørlegger125%Trondheim Rørservice75%Rørlegger150%
3Bravida25%Mesterrør Trondheim67%Rørlegger Trondheim AS42%
4Oras25%Rørlegger Trondheim AS42%Comfort33%
5Caverion25%Comfort42%Bravida33%

Questions about plumbers in Trondheim

How AI assistants recommend plumbers

ChatGPT, Claude and Gemini named Rørlegger'n most often, in 50% of 36 answers, then Trondheim VVS (33%) and Rørlegger Trondheim AS (28%). The names come from what the assistants answered to four buyer questions in November 2026; we have not checked that any of them is good, open or real.

Not always. ChatGPT named Rørlegger'n most often (50% of its answers), Claude Rørlegger'n (100%) and Gemini Trondheim VVS (92%). 6 of the 18 listed businesses were named by two or more of them.

Each question was asked three times. Of the names an assistant gave for a question, 51% came back in two or more of those runs; the rest came up once. The 95% range beside each rate in the ranking shows how far it could move by chance.

Run the free checker: it asks ChatGPT, Claude, Gemini and Grok two of the Index questions for plumbers, with the category and the place already filled in, and shows every answer word for word. About 30 seconds, no sign-up. The page on how AI assistants recommend plumbers shows what an owner can work on. Nothing can guarantee that an assistant names you.

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 Trondheim, AIGROW AI Visibility Index, November 2026
<a href="https://aigrow.gg/index/plumbers/trondheim"><img src="https://aigrow.gg/badges/index/2026-11/plumbers/trondheim.svg" width="312" height="100" alt="Named by AI assistants: Plumbers in Trondheim, AIGROW AI Visibility Index, November 2026"></a>

The questions

Asked word for word, three times each, to every assistant, in Norwegian. 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. 1Hvem er den beste rørleggeren i Trondheim?Who is the best plumber in Trondheim?
  2. 2Jeg har et rør som lekker hjemme i Trondheim. Hvilket rørleggerfirma bør jeg ringe?I have a leaking pipe at home in Trondheim. Which plumbing company should I call?
  3. 3Jeg trenger en rørlegger på vakt i Trondheim i kveld. Hvem vil du anbefale?I need an emergency plumber in Trondheim tonight. Who would you recommend?
  4. 4Hvilken rørlegger i Trondheim ville du stolt på til å skifte ut en varmtvannsbereder?Which plumber in Trondheim 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
36 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.

AI Visibility Index

Elsewhere in the Index

Plumbers elsewhere
BergenOsloAarhusAdelaideAmsterdamAntwerp
Also in Trondheim
DentistsLawyersAccountantsGymsReal estate agenciesRestaurants

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Edition November 2026 · published by Guglielmo Paesano, founder of AIGROW · data under CC BY 4.0