AI Visibility Index › HVAC contractor in Chicago
Measured August 2026

Is your HVAC contractor in Chicago findable by AI?

We asked ChatGPT, Gemini, Perplexity and Claude who the best HVAC contractor in Chicago is — the way a real customer would. Then we checked 8 real, currently-operating HVAC contractor businesses in Chicago against every answer.

5/8never named by any assistant
63%miss rate in this sample
2real answers shown below
5businesses assistants do name
The receipts

What the assistants actually said

Verbatim, from a real query run August 21, 2026. Ask the same question yourself and you'll see something very similar.

Perplexity
Asked: I need a HVAC contractor in Chicago. Who are the best ones? List specific business names only, one per line.
Browns Heating & Cooling Oasis Heating and Cooling Global Heating and Cooling All Temp Heating & Air Conditioning Four Seasons Heating & Cooling Hayes Mechanical Deljo Heating and Cooling Besco Air Inc. Chicago HVAC Repair Doctor KTS Heating & Air Conditioning Repair
Perplexity
Asked: Who is the most recommended HVAC contractor in Chicago right now? Give a short ranked list of real business names, one per line.
The most recommended HVAC contractors in Chicago *right now* vary by ranking source, but Deljo Heating, Cooling & Plumbing is the most consistently top-ranked business across the results.
1. Deljo Heating, Cooling & Plumbing
2. All Temp Heating and Air Conditioning
3. Air-Rite Heating & Cooling, Inc.
4. Browns Heating & Cooling
5. Hero Air
Who keeps getting named instead

Chicago's AI-recommended HVAC contractor businesses

BusinessTimes named
Deljo Heating, Cooling & Plumbing1
All Temp Heating and Air Conditioning1
Air-Rite Heating & Cooling, Inc1
Browns Heating & Cooling1
Hero Air1

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