Who does ChatGPT name for windows and doors in Rockford, IL?

We wrote the six questions a buyer in Rockford, IL would type into an AI assistant when they need windows and doors 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 2026-09-13.

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Trade: Windows and doors
Area: Rockford, IL
Questions: 6 asked, 6 answered
Engines: ChatGPT, Gemini, Perplexity
Date: 2026-09-13

Who came up most

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

Window World of Rockford (windowworldrockford.com): named 10 times across ChatGPT, Gemini, Perplexity
Apex Window Werks (apexwindowwerks.com): named 6 times across Gemini, Perplexity
EcoView Windows & Doors of Rockford (ecoviewwindows.com): named 6 times across Gemini, Perplexity
KobyCo Door & Window (kobyco.com): named 5 times across Gemini, Perplexity
Feldco Windows, Doors, and Siding Replacement (feldco.com): named 3 times across Gemini
City Auto Glass (cityautoglassrkfd.com): named 2 times across ChatGPT, Perplexity
Feldco (4feldco.com): named 2 times across ChatGPT
Handyman Connection of Rockford: named 2 times across Gemini

Directories and review sites the answers quoted: yelp.com, angi.com, linkedin.com, homeadvisor.com, thumbtack.com.

The six questions, answer by answer

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

01Who replaces drafty windows in Rockford, IL, with energy-efficient windows that hold up in cold winters?

ChatGPT named: Feldco (4feldco.com), Window World of Rockford (windowworldrockford.com), Renewal by Andersen of Rockford (renewalbyandersenrockford.com).
Gemini named: Window World of Rockford (windowworldrockford.com), Renewal by Andersen of Rockford (renewalbyandersen.com), KobyCo Door & Window (kobyco.com), Feldco Windows, Doors, and Siding Replacement (feldco.com), Lindsay Window & Door (lindsaywindows.com).
Perplexity named: Window World of Rockford, Huskie Exteriors, EcoView Windows & Doors of Rockford, New Standard Restoration, Fixzer Construction.

02How much does it cost to replace ten vinyl windows in a house in Rockford, IL?

ChatGPT: no answer came back in time.
Gemini named: Window World of Rockford (windowworldrockford.com), Feldco Windows, Doors, and Siding Replacement (feldco.com), Renewal by Andersen of Rockford (renewalbyandersen.com), EcoView Windows & Doors of Rockford (ecoviewwindows.com), KobyCo Door & Window.
Perplexity named: The Home Depot, Modernize (modernize.com), HomeTriva (hometriva.com).

03Where can I get a fiberglass front door with a deadbolt installed in Rockford, IL?

ChatGPT: no answer came back in time.
Gemini named: Handyman Connection of Rockford, Window World of Rockford, EcoView Windows & Doors of Rockford, Baney Construction & Restoration, Inc., KobyCo Door & Window.
Perplexity: no answer came back in time.

04Who can replace a sliding patio door that sticks and leaks air in Rockford, IL?

ChatGPT named: KobyCo Door & Window (kobycowindow.com), Window World of Rockford (windowworldrockford.com), Feldco (4feldco.com).
Gemini named: Window World of Rockford, EcoView Windows & Doors of Rockford, Feldco Windows, Doors, and Siding Replacement, KobyCo, Lindsay Window & Door.
Perplexity named: Door & Gate Services, Apex Window Werks, Window World of Rockford, KobyCo Door & Window, EcoView Windows & Doors of Rockford.

05Is there someone in Rockford, IL, who can fix foggy double-pane windows without replacing the entire window?

ChatGPT named: Roscoe Glass (roscoeglass.com), City Auto Glass (cityautoglassrkfd.com).
Gemini named: Apex Window Werks, A Glass Guy, Rockford Window Pros.
Perplexity named: Apex Window Werks (apexwindowwerks.com), Roscoe Glass (roscoeglass.com), City Auto Glass (cityautoglassrkfd.com).

06Who installs storm doors and replaces worn door weatherstripping in Rockford, IL?

ChatGPT: no answer came back in time.
Gemini named: Handyman Connection of Rockford, Apex Window Werks, KobyCo Door & Window, Renewal by Andersen® | Rockford, Window World of Rockford.
Perplexity named: Window World of Rockford (windowworldrockford.com), M. Spinello & Son Locksmiths Safe & Security Experts (mspinello.com), EcoView Windows & Doors of Rockford (ecoview.com), Apex Window Werks (apexwindowwerks.com).

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Then a buyer asking an assistant in Rockford, IL is being sent to someone else. The free check writes the six questions from your own website and shows your result in under a minute, no sign in.

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If you are on this page and want it to stay that way, the Stay Named membership re-asks twelve questions every month. No one can promise what an AI assistant will say; what we deliver is the pages, the data and the listings that make being named possible, and the questions asked again so you see the change.

Dated read, not a ranking. Checked on 2026-09-13. How the assistants choose who to name, in plain words: the AI SEO guide. We ask the same six questions again and update this page; a business named today can be missing next time and the other way round. Next read: October 2026. Would rather walk through your own six answers with a person? Fifteen minutes, pick a time: book a call.