AI Thinks That
What AI actually recommends — captured, ranked, kept honest.
← Chicago City Guide · hvac contractors · snapshot 2026-10-07

Who are the best hvac contractors in Chicago?

AI thinks that the top 10 hvac contractors in Chicago are…

How it works

We asked every big AI at once the same buyer questions, verbatim. Here’s what they actually said — the Top 10, and all 61 they named.

Top 10

#BusinessNamedNamed by
1All Temp Heating and Air Conditioning9×ChatGPT, Claude, Google AI, Perplexity
2Oasis Plumbing, Heating & Cooling8×ChatGPT
3Besco Air Inc. (Heating & Cooling)6×ChatGPT, Claude, Google AI, Perplexity
4Chicago Cooling6×ChatGPT, Claude, Google AI, Perplexity
5Chicago HVAC Repair Doctor5×ChatGPT, Google AI, Perplexity
6Deljo Heating, Cooling & Plumbing5×ChatGPT, Claude, Google AI, Perplexity
7Four Seasons Heating, Air Conditioning, Plumbing & Electric4×ChatGPT, Google AI
8Global Heating and Cooling4×ChatGPT, Google AI
9Guardian Heating & Cooling Service4×ChatGPT, Google AI
10King Heating, Cooling & Plumbing4×ChatGPT

Full ranking (61)

#BusinessNamedNamed by
1All Temp Heating and Air Conditioning9×ChatGPT, Claude, Google AI, Perplexity
2Oasis Plumbing, Heating & Cooling8×ChatGPT
3Besco Air Inc. (Heating & Cooling)6×ChatGPT, Claude, Google AI, Perplexity
4Chicago Cooling6×ChatGPT, Claude, Google AI, Perplexity
5Chicago HVAC Repair Doctor5×ChatGPT, Google AI, Perplexity
6Deljo Heating, Cooling & Plumbing5×ChatGPT, Claude, Google AI, Perplexity
7Four Seasons Heating, Air Conditioning, Plumbing & Electric4×ChatGPT, Google AI
8Global Heating and Cooling4×ChatGPT, Google AI
9Guardian Heating & Cooling Service4×ChatGPT, Google AI
10King Heating, Cooling & Plumbing4×ChatGPT
11Shavitz Heating and Air Conditioning4×Claude, Google AI
12Browns Heating & Cooling3×ChatGPT, Claude
13Eco Temp HVAC3×ChatGPT
14Accurate HVAC2×ChatGPT
15Ask About Utility Rebates2×Google AI
16ComEd2×Google AI
17Cosmic HVAC2×ChatGPT
18Hero Air2×ChatGPT, Claude
19Peoples Gas / Nicor2×Google AI
20Why Call Them2×ChatGPT, Google AI
21A local Trane dealer1×Perplexity
22Air Flows Chicago1×ChatGPT
23Angi (formerly Angie's List) or HomeAdvisor1×Claude
24BBB (Better Business Bureau)1×Claude
25Bottom Line1×ChatGPT
26Brown’s Heating & Cooling1×ChatGPT
27Check Condo / Building Rules1×Google AI
28Chicago Architecture Matters1×Google AI
29Choosing the Right Provider1×ChatGPT
30City & Suburban1×ChatGPT
31Contractors listed through the BBB1×Perplexity
32EPA Section 608 certification1×Perplexity
33Four Suns Heating & Air Conditioning1×Perplexity
34Get 21×Google AI
35Good practice1×Claude
36Highly Rated, Long-Established Companies1×Claude
37How to Choose the Right Contractor for You1×ChatGPT
38Illinois HVAC1×Google AI
39Inquire About Rebates1×Google AI
40King Heating & Air Conditioning1×Perplexity
41Manual J load calculation1×Claude
42Mid-City Heating, Ventilation & Air Conditioning1×Perplexity
43Perfect Temperature Control1×Google AI
44Personalized Attention1×ChatGPT
45Popular Mid-Size & Boutique Firms1×Claude
46Quality & Professionalism1×ChatGPT
47Real Local Endorsements (from Reddit discussions)1×ChatGPT
48Recommendation1×ChatGPT
49Reliability & Speed1×ChatGPT
50Reliance Home Comfort1×Perplexity
51Residential HVAC1×Perplexity
52Response time1×ChatGPT
53Scale vs. personalized service1×ChatGPT
54Scope of Service1×ChatGPT
55Top Recommended HVAC Contractors in Chicago1×Google AI
56Type of work needed1×ChatGPT
57Ukrainian Village HVAC1×ChatGPT
58Understand the Heating Type1×Google AI
59Verify Licensing & Permits1×Google AI
60What to verify before hiring1×Claude
61Where to look1×Claude

How this list was made

When2026-10-07 — a single snapshot. Engines5 queried; returned answers: ChatGPT, Claude, Google AI, Perplexity. Prompts3 buyer questions, asked verbatim; every engine got all. Answers12 captured verbatim (engine + timestamp), nothing edited. Rankingby number of mentions across all answers; ties broken by engines naming it. Mentions ≠ quality. Coverage61 businesses named in total. Independencenothing bought or placed; Memeador is not in the ranking.

Prompts asked

  1. “Who are the best hvac contractors in Chicago, Illinois?”
  2. “Can you recommend a good hvac contractor near Chicago, Illinois?”
  3. “I'm looking for a good hvac contractor in Chicago, Illinois. Who should I call, and why?”

Is your business on the list?

Run the free AI check to see if AI recommends you — and what it recommends instead. memeador.com/ai-visibility →

These scores are live — click any business to see how often AI named it over time; click again to close.