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Cities checked so far/Plumbers in Chicago, Illinois

Who ChatGPT, Gemini and Perplexity name when someone asks for a plumber in Chicago.

We typed 5 questions into 3 AI assistants on September 25, 2026 and wrote down every business they named. 4 of the 130 Chicago plumbers we looked for were named at least once. The other 126 were not.

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Who gets named

37 businesses named across 15 answers, including the ones not on our list of 130. Each bar shows how many of those 15 answers named the business.

  1. 1Rescue Plumbingmyrescueplumbing.com9 of 15
  2. 2ABC Plumbing, Sewer, Heating, Cooling & Electric4abc.com7 of 15
  3. 3Vanguard Plumbing & Sewernamed by ChatGPT, Gemini and Perplexity6 of 15
  4. 4Roto-Rooter Chicagorotorooter.com6 of 15
  5. 5Baethke Plumbingbaethkeplumbing.com5 of 15
  6. 6Rocket Plumbingnamed by ChatGPT and Gemini4 of 15
  7. 7Four Seasons Heatingfourseasonsheatingcooling.com4 of 15
  8. 8J. Blanton Plumbing, Sewer & Drainnamed by Gemini3 of 15
  9. 9Ravinia Plumbing, Sewer, Heating & Electricnamed by ChatGPT, Gemini and Perplexity3 of 15
  10. 10PSP Plumbing & Sewernamed by ChatGPT2 of 15
Show the 15 others
  1. 11Power Plumbing & Sewer Contractor, Incnamed by ChatGPT2 of 15
  2. 12Goode Plumbinggoodeplumbing.com2 of 15
  3. 13First Chicago Plumbingnamed by Gemini and Perplexity2 of 15
  4. 14DRF Water Heating Solutionsdrftps.com1 of 15
  5. 15Flo-Maxx Sewer & Plumbing, Incnamed by ChatGPT1 of 15
  6. 16King Heating, Cooling & Plumbingnamed by ChatGPT1 of 15
  7. 17Shut Off the Main Water Supplynamed by Gemini1 of 15
  8. 18First National Plumbing Co., Incnamed by ChatGPT1 of 15
  9. 19Narwhal Plumbingnarwhal-plumbing.com1 of 15
  10. 20Plumb It Best LLCnamed by ChatGPT1 of 15
  11. 21Sandoval Plumbingnamed by Perplexity1 of 15
  12. 22Turn Off Your Water Heaternamed by Gemini1 of 15
  13. 23Document the Damagenamed by Gemini1 of 15
  14. 24John Yerkes & Sons Plumbingnamed by Perplexity1 of 15
  15. 25Thumbtack Chicago plumbersnamed by Perplexity1 of 15

126of the 130 plumbers we looked for came up in none of the answers.

Where they looked

The sites they cite.

The assistants cited 44 different sites. These came up most, with how many of the 15 answers each one appeared in.

  • BBB8 of 15
  • Angi7 of 15
  • Thumbtack6 of 15
  • Houzz3 of 15
  • Reddit3 of 15
  • Yelp2 of 15
  • HomeAdvisor1 of 15
  • Yellow Pages1 of 15

Question by question

The first three names each assistant gave.

“best plumber for water heater replacement in Chicago”

ChatGPT

  1. 1King Heating, Cooling & Plumbing
  2. 2ABC Plumbing, Sewer, Heating, Cooling & Electric
  3. 3Vanguard Plumbing and Sewer

Gemini

  1. 1DRF Water Heating Solutions
  2. 2Narwhal Plumbing
  3. 3ABC Plumbing, Sewer, Heating, Cooling & Electric

Perplexity

  1. 1Rescue Plumbing
  2. 2Roto-Rooter Chicago
  3. 3Goode Plumbing

“best plumber in Chicago, IL”

ChatGPT

  1. 1Flo-Maxx Sewer & Plumbing, Inc
  2. 2Plumb It Best LLC
  3. 3PSP Plumbing & Sewer

Gemini

  1. 1Vanguard Plumbing & Sewer
  2. 2Rescue Plumbing
  3. 3J. Blanton Plumbing, Sewer & Drain

Perplexity

  1. 1Vanguard Plumbing and Sewer, Inc
  2. 2Sandoval Plumbing
  3. 3John Yerkes & Sons Plumbing

“emergency plumber in Chicago, IL”

ChatGPT

  1. 1Roto-Rooter Chicago
  2. 2Rescue Plumbing
  3. 3Goode Plumbing

Gemini

  1. 1Shut Off the Main Water Supply
  2. 2Turn Off Your Water Heater
  3. 3Document the Damage

Perplexity

  1. 1Roto-Rooter Chicago
  2. 2Rescue Plumbing
  3. 3Baethke Plumbing

“top rated plumber in Chicago”

ChatGPT

  1. 1Power Plumbing & Sewer Contractor, Inc
  2. 2Rocket Plumbing Chicago
  3. 3Big Wrench Plumbing & Sewer Contractor

Gemini

  1. 1Vanguard Plumbing & Sewer
  2. 2Rescue Plumbing
  3. 3ABC Plumbing, Sewer, Heating, Cooling & Electric

Perplexity

  1. 1Vanguard Plumbing and Sewer, Inc
  2. 2Baethke Plumbing
  3. 3Thumbtack Chicago plumbers

“who is the most reliable plumber in Chicago, IL?”

ChatGPT

  1. 1PSP Plumbing & Sewer
  2. 2First National Plumbing Co., Inc
  3. 3Rescue Plumbing, Inc

Gemini

  1. 1Vanguard Plumbing & Sewer
  2. 2ABC Plumbing, Sewer, Heating & Electric
  3. 3Rescue Plumbing

Perplexity

  1. 1Ravinia Plumbing, Sewer, Heating & Electric
  2. 2Roto-Rooter Chicago
  3. 3Baethke Plumbing

Recorded on September 25, 2026. Answers change from one day to the next and from one phrasing to the next, which is why we date every scan and ask the same 5 questions again. Nothing on this page is edited: it is the scan log. How the scan works.

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