Who does ChatGPT name for plumbing in Joliet, IL?

We wrote the six questions a buyer in Joliet, IL would type into an AI assistant when they need plumbing work, asked each one on ChatGPT, Gemini, Perplexity with live web search, and wrote down every business the answers named. No opinions, no ranking of ours: this is what the assistants said on 2026-09-09.

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Trade: Plumbing
Area: Joliet, IL
Questions: 6 asked, 6 answered
Engines: ChatGPT, Gemini, Perplexity
Date: 2026-09-09

Who came up most

Every business the answers named, counted across the six questions and the engines.

PDM Plumbing, Heating, Cooling Since 1885 (pdmsince1885.com): named 11 times across ChatGPT, Gemini, Perplexity
Rooter tooter / Roto-Rooter Joliet (rotorooter.com): named 10 times across ChatGPT, Gemini, Perplexity
Mr. Rooter Plumbing of Will County (mrrooter.com): named 6 times across Gemini, Perplexity
TR Miller Heating, Cooling, Plumbing & Electrical (trmillerheatingandcooling.com): named 5 times across ChatGPT, Gemini, Perplexity
Omega Plumbing Heating and Cooling (omegaplumbing.com): named 4 times across ChatGPT, Gemini, Perplexity
Plumbers 911 Chicago (plumbers911chicago.com): named 4 times across Gemini, Perplexity
Trailblazer Plumbing (trailblazerplumbing.com): named 4 times across ChatGPT, Gemini
Andersen Plumbing and Heating (andersenph.com): named 3 times across Gemini, Perplexity

Directories and review sites the answers quoted: bbb.org, thumbtack.com, mapquest.com, angi.com, reddit.com.

The six questions, answer by answer

The question a buyer would type, then what each assistant named.

01Who offers 24-hour emergency plumbing in Joliet, IL, for a burst pipe?

ChatGPT named: Owens Family Plumbing (owensfamilyplumbing.com), PDM Plumbing, Heating & Cooling (pdmsince1885.com), Omega Plumbing, Heating & Cooling (omegaplumbing.com).
Gemini named: Plumbers 911 Chicago, Roto-Rooter, Trailblazer Plumbing, Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric, PDM Plumbing, Heating, A/C & Electrical.
Perplexity named: Roto-Rooter (rotorooter.com), Plumbers 911 Chicago (plumbers911chicago.com), Owens Family Plumbing (owensfamilyplumbing.com), TR Miller Heating, Cooling, Plumbing & Electrical (trmillerheatingandcooling.com), Andersen Plumbing & Heating (andersenph.com).

02Who can clear a backed-up kitchen drain in Joliet today?

ChatGPT named: Roto-Rooter (rotorooter.com), Omega Plumbing, Heating & Cooling (omegaplumbing.com).
Gemini named: Roto-Rooter, Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric, Plumbers 911 Chicago, Emergency Chicago Plumber, Pro Services.
Perplexity named: Roto-Rooter Joliet (rotorooter.com), Plumbers 911 Chicago (plumbers911chicago.com), Mr. Rooter Plumbing of Will County (mrrooter.com), PDM Plumbing, Heating, Cooling (pdmsince1885.com), Service 1 Plumbing, Heating & AC (service1heating.com).

03How much does it cost to replace a 50-gallon gas water heater in Joliet, IL?

ChatGPT named: PDM Plumbing, Heating & Cooling (pdmsince1885.com), Trailblazer Plumbing (trailblazerplumbing.com).
Gemini named: Advantage Plumbing & Sewer Co. (advantageplumbingandsweer.com), Trailblazer Plumbing (trailblazerplumbing.com), Tritan Plumbing (tritanplumbing.com).
Perplexity named: HomeTriva, Handl.

04Who can inspect a sewer line with a camera in Joliet if my basement floor drain keeps backing up?

ChatGPT named: PDM Plumbing, Heating & Cooling (pdmsince1885.com), Roto-Rooter Joliet (rotorooter.com).
Gemini named: PDM Plumbing, Heating & Cooling, Midwest Septic & Drain Services (midwestsepticanddrain.com), Mr. Rooter Plumbing of Will County (mrrooter.com), R & R Septic & Sewer (rrsepticandsewer.com), All Around Pumping Service (allaroundpumping.com).
Perplexity named: PDM Plumbing, Heating, Cooling Since 1885 (pdmsince1885.com), Mr. Rooter Plumbing of Will County (mrrooter.com), Pro Services Plumbing (proservicesnow.com), AlertPlumber (alertplumber.com), Perma-Seal (permaseal.net).

05Where can I find a plumber in Joliet to replace a failed sump pump and install a battery backup?

ChatGPT named: PDM Plumbing, Heating & Cooling (pdmsince1885.com), Expert Plumbing Service (expertplumbers.com).
Gemini named: PDM Plumbing, Heating & Cooling, Mr. Rooter Plumbing of Will County, Andersen Plumbing & Heating, Expert Plumbing Service, R & R Septic & Sewer.
Perplexity named: TR Miller Heating, Cooling, Plumbing & Electrical, Andersen Plumbing and Heating, Mr. Rooter Plumbing of Will County, Omega Plumbing Heating and Cooling, PDM Plumbing, Heating and Cooling.

06Who can find and repair a hidden water leak in my Joliet home if my water bill suddenly goes up?

ChatGPT named: TR Miller Heating, Cooling, Plumbing & Electrical (trmillerheatingandcooling.com), PDM (pdmsince1885.com), Trailblazer Plumbing (trailblazerplumbing.com).
Gemini named: TR Miller Heating, Cooling, Plumbing & Electrical, PDM Plumbing, Heating & Cooling, RootBusters Plumbing, Sewer & Drains, Inc., PRO Plumbers of Joliet, U.S. Allied Plumbing, Heating, & Cooling.
Perplexity named: TR Miller Heating, Cooling, Plumbing & Electrical (trmillerheatingandcooling.com), Roto-Rooter Joliet (rotorooter.com), Mr. Rooter Plumbing of Will County (mrrooter.com), Pride Plumbing, Inc. (illinoisplumbingdirectory.com).

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