AI search
Which Iowa City plumbers do AI tools recommend? We asked 5 of them
We asked ChatGPT, Gemini, Claude, Perplexity and Google’s AI Overview six questions about plumbers in Iowa City and Coralville. One plumber led almost every answer, until the question changed.
By The Leadsure team4 min read
On November 10, 2026, we asked five AI tools six questions a homeowner might ask about plumbers in Iowa City and Coralville. Across the Iowa City answers, the tools named 37 different businesses. One plumber was named far more than any other, and it still disappeared from some answers entirely.
This page is part of our study of who AI tools recommend in Iowa City. It’s a snapshot from one evening, with one run per tool, and it isn’t a ranking of quality.
Who the tools named
| Plumber | Best | Open now | Water heater | Drain backup | Most trusted | Total |
|---|---|---|---|---|---|---|
| Ackerman Plumbing | 4 of 4 | 2 of 5 | 5 of 5 | 0 of 5 | 5 of 5 | 16 of 24 |
| Hawkeye Sewer & Drain | 2 | 2 | 0 | 3 | 2 | 9 |
| Coyle’s Plumbing Repair | 3 | 0 | 2 | 0 | 4 | 9 |
| A1 Sewer Service | 1 | 3 | 0 | 4 | 1 | 9 |
| Muller Plumbing & Heating | 2 | 0 | 2 | 0 | 4 | 8 |
| Nelson & Sons Plumbing & Heating | 0 | 4 | 1 | 1 | 2 | 8 |
| Clog Busters | 1 | 2 | 1 | 2 | 0 | 6 |
| Streit’s Maintenance | 2 | 0 | 1 | 1 | 2 | 6 |
| Benjamin Franklin Plumbing | 1 | 3 | 0 | 0 | 1 | 5 |
| Action Sewer & Septic | 1 | 2 | 0 | 2 | 0 | 5 |
The questions were:
- Best: “best plumber in iowa city”
- Open now: “emergency plumber in Iowa City open now”
- Water heater: “water heater replacement Iowa City”
- Drain backup: “My basement drain is backing up in Iowa City. Who should I call?”
- Most trusted: “most trusted plumber in Iowa City”
One plumber led, and the rest was a toss-up
Ackerman Plumbing was first in all four answers to the “best” question. Google’s own map box listed it first too. After Ackerman, the four tools named 11 other plumbers, and only Coyle’s Plumbing Repair appeared in more than two answers.
Ackerman shows up in several kinds of sources. It had a 4.9 rating from 154 Google reviews that evening, an A+ rating with the Better Business Bureau, mentions in r/IowaCity threads, and its own website on Google’s first page.
A Google profile can carry a business a long way. Coyle’s Plumbing Repair was named in 9 answers, and its Google listing showed no website link.
“Open now” moved the leader out
For the emergency question, the businesses named most were Nelson & Sons (four of five answers), A1 Sewer Service and Benjamin Franklin Plumbing (three each). All three were listed as open 24 hours.
Ackerman’s Google profile showed weekday hours, and its website has a page for 24/7 emergency service. Three tools left it out. Perplexity, which cited the website, put it first, and Google’s AI Overview showed both sets of hours side by side.
If you take emergency calls, the hours on your Google profile decide whether you’re in these answers.
A specific job brought in new names
For “water heater replacement Iowa City”, Ackerman was named by all five tools. So were some plumbers who hadn’t appeared for “best” at all.
Breese Plumbing & Heating wasn’t in any “best” answer. For water heaters, Google’s AI Overview listed it first and ChatGPT named it. The review Google showed on its listing mentions installing a water heater, and so did the one shown for Ackerman.
Describing the problem changed the list again
For the basement drain question, no tool named Ackerman. Claude said why in its answer: call a drain cleaning or sewer service first, because it can usually clear the line faster than a general plumber.
The businesses named most were A1 Sewer Service (four of five), Hawkeye Sewer & Drain and City Sewer Service (three each). City Sewer Service hadn’t appeared in any earlier answer.
Google’s AI Overview also listed three water damage companies for this question.
Coralville: the same leader
For “best plumber in Coralville”, every tool named Ackerman, even though its address is in Iowa City. Its website has a page titled “Plumbers in Coralville, IA”, and that page was the first regular result on Google.
Wag’s Plumbing was named by three of five tools and was first in Google’s map box. It had appeared in one Iowa City answer.
Remodelers saw the opposite. For Coralville, the Iowa City leader was named once, and businesses with Coralville addresses took the top spots. The full study compares the three trades.
What to check if you’re a plumber
- Hours. If you answer the phone after hours, your Google profile should say so, and your website should say the same thing.
- Service pages. One page for each main job: water heaters, drain cleaning, sewer lines, sump pumps.
- Town pages. One page for each nearby town you serve.
- Reviews that name the job. A review that says “installed our new water heater” helps for water heater searches.
- Your name and categories. If drains and sewers are your main work, your Google categories should say so.
Our guide to ranking in the Google Maps pack covers the profile basics.
Your free Leadsure audit shows what the AI tools say when someone asks for a plumber in your town, and what to fix first. Request your audit.
Frequently asked questions
Is Ackerman Plumbing the best plumber in Iowa City?
This study can’t tell you that. It shows that five AI tools named Ackerman more often than any other plumber on one evening. Being named by an AI tool isn’t a measure of the quality of a plumber’s work.
Where can I see every answer?
The full study explains the method and has a CSV file with every question, tool and business.