Which plumbers do AI assistants recommend in Chicago, IL?
We ask Google Gemini (with Google Search) the questions people really type, such as “Who is the best plumber in Chicago, IL?”, every week, sampling each question several times, and count which businesses they name. Period: 2026-W43. Updated 2026-10-20.
Businesses named by AI assistants
| # | Business | Mention rate | 95% confidence interval | Named first |
|---|---|---|---|---|
| 1 | Rescue Plumbing Google Gemini 6/6 | 100% 6 of 6 answers | 61% to 100% | 0 |
| 2 | Vanguard Plumbing & Sewer Google Gemini 6/6 | 100% 6 of 6 answers | 61% to 100% | 6 |
| 3 | Rocket Plumbing Google Gemini 5/6 | 83% 5 of 6 answers | 44% to 97% | 0 |
| 4 | J. Blanton Plumbing Google Gemini 5/6 | 83% 5 of 6 answers | 44% to 97% | 0 |
| 5 | First Chicago Plumbing Google Gemini 3/6 | 50% 3 of 6 answers | 19% to 81% | 0 |
| 6 | ABC Plumbing, Sewer, Heating, Cooling and Electric Google Gemini 3/6 | 50% 3 of 6 answers | 19% to 81% | 0 |
| 7 | Goode Plumbing Google Gemini 1/6 | 17% 1 of 6 answers | 3% to 56% | 0 |
| 8 | Power Plumbing Google Gemini 1/6 | 17% 1 of 6 answers | 3% to 56% | 0 |
| 9 | Ravinia Plumbing, Sewer, Heating & Electric Google Gemini 1/6 | 17% 1 of 6 answers | 3% to 56% | 0 |
Mention rate = share of answers that name the business. The interval shows the range compatible with the sample: when two intervals overlap, the difference may be noise.
Where the AI assistants look
| Source cited | Share of answers |
|---|---|
| consumeraffairs.com | 100% |
| 4abc.com | 67% |
| bestpickreports.com | 67% |
| reddit.com | 67% |
| rotorooter.com | 50% |
| thumbtack.com | 33% |
| suburbanplumbingexperts.com | 17% |
| downtobid.com | 17% |
| todayshomeowner.com | 17% |
| goodeplumbing.com | 17% |
We can run the same measurement for your business, your competitors and your own questions, across more AI assistants. Write to jovianlabsstudio@gmail.com.
Questions
Does this mean these plumbers are the best?
No. It measures what AI assistants say, not service quality. AI answers can be incomplete or outdated.
Why do the results change from one answer to the next?
AI assistants do not give the same answer every time. That is why we sample each question several times and report confidence intervals.
How can a business appear more often?
The answers rely on the sources listed above: being present and well reviewed there is a good start. See the methodology.