# Which HVAC companies does AI recommend in Chicago, IL?

AI Visibility Index, week of Friday, July 17, 2026.

Across the 24 questions Chicago, IL customers ask AI about HVAC, Deljo Heating, Cooling & Plumbing is named most. 4 of 4 assistants recommend it, for a 10.2% share of voice, the week of Friday, July 17, 2026.

## Visibility: who AI recommends most

1. Deljo Heating, Cooling & Plumbing: 10.2% share of voice, recommended by 4 of 4, depth 53/100
2. Browns Heating & Cooling: 7.2% share of voice, recommended by 3 of 4, depth 54/100
3. City & Suburban Heating & Cooling: 6.9% share of voice, recommended by 3 of 4, depth 46/100
4. Global Heating and Cooling LLC: 6.3% share of voice, recommended by 4 of 4, not depth-scored
5. Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric: 5.7% share of voice, recommended by 4 of 4, depth 65/100
6. Oasis Plumbing, Heating & Cooling: 4.5% share of voice, recommended by 3 of 4, depth 42/100
7. Eco Temp HVAC: 3.7% share of voice, recommended by 3 of 4, not depth-scored
8. Tabor's Complete Comfort Mechanical: 3.3% share of voice, recommended by 3 of 4, depth 34/100
9. All Temp Heating and Air Conditioning: 2.6% share of voice, recommended by 4 of 4, depth 57/100
10. Besco Air Inc. Heating & Cooling: 2.1% share of voice, recommended by 3 of 4, depth 66/100
11. Hero Air: 2.0% share of voice, recommended by 3 of 4, not depth-scored
12. Heatmasters Heating & Cooling: 1.9% share of voice, recommended by 4 of 4, depth 56/100
13. Air Flows Chicago: 1.4% share of voice, recommended by 2 of 4, not depth-scored
14. Tranquil Heating and Cooling: 1.4% share of voice, recommended by 1 of 4, depth 45/100
15. ABC Plumbing, Sewer, Heating, Cooling and Electric: 1.2% share of voice, recommended by 4 of 4, not depth-scored
16. Chicago HVAC Repair Doctor: 1.1% share of voice, recommended by 3 of 4, not depth-scored
17. Sensational Heating And Air LLC: 1.0% share of voice, recommended by 3 of 4, not depth-scored
18. MIRON Heating & Cooling, Inc: 0.9% share of voice, recommended by 1 of 4, not depth-scored
19. Pro HVAC Heating and Cooling: 0.8% share of voice, recommended by 2 of 4, depth 47/100
20. Shavitz Heating and Air Conditioning: 0.8% share of voice, recommended by 3 of 4, depth 54/100
21. Frontline Heating & Cooling: 0.8% share of voice, recommended by 2 of 4, not depth-scored
22. King Heating, Cooling & Plumbing: 0.8% share of voice, recommended by 1 of 4, not depth-scored
23. Guardian Heating & Cooling Service: 0.8% share of voice, recommended by 3 of 4, not depth-scored
24. PhD Heating & Cooling: 0.7% share of voice, recommended by 2 of 4, not depth-scored
25. Preferred Comfort Heating & Cooling: 0.6% share of voice, recommended by 1 of 4, not depth-scored

## Depth: who AI understands best

Recommended ≠ understood. Deljo Heating, Cooling & Plumbing ranks #1 for visibility but #7 on depth. AI's weakest link for it is pricing. High visibility with low depth is the riskiest combination for a business: customers arrive, then get the wrong expectations.

1. Besco Air Inc. Heating & Cooling: depth 66/100 (visibility #10) · weak point: Differentiation
2. Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric: depth 65/100 (visibility #5) · weak point: Pricing
3. All Temp Heating and Air Conditioning: depth 57/100 (visibility #9) · weak point: Pricing
4. Heatmasters Heating & Cooling: depth 56/100 (visibility #12) · weak point: Pricing
5. Browns Heating & Cooling: depth 54/100 (visibility #2) · weak point: Pricing
6. Shavitz Heating and Air Conditioning: depth 54/100 (visibility #20) · weak point: Pricing
7. Deljo Heating, Cooling & Plumbing: depth 53/100 (visibility #1) · weak point: Pricing
8. Pro HVAC Heating and Cooling: depth 47/100 (visibility #19) · weak point: Pricing
9. City & Suburban Heating & Cooling: depth 46/100 (visibility #3) · weak point: Pricing
10. Tranquil Heating and Cooling: depth 45/100 (visibility #14) · weak point: Pricing
11. Oasis Plumbing, Heating & Cooling: depth 42/100 (visibility #6) · weak point: Pricing
12. Tabor's Complete Comfort Mechanical: depth 34/100 (visibility #8) · weak point: Pricing

## Questions AI answers about HVAC in Chicago, IL

## Frequently asked questions

### Which HVAC company does AI recommend most in Chicago, IL?

Deljo Heating, Cooling & Plumbing, named by 4 of the four assistants, for a 10.2% share of voice across the 24 prompts. Next are Browns Heating & Cooling and City & Suburban Heating & Cooling.

### Which HVAC company in Chicago, IL does AI understand best?

Besco Air Inc. Heating & Cooling scores highest on depth (66/100): assistants can accurately describe what it offers and help a customer toward a booking.

### Which HVAC companies in Chicago, IL is AI getting wrong?

Deljo Heating, Cooling & Plumbing ranks #1 by visibility but only #7 on depth. AI's weakest link for it is pricing. Customers who arrive through AI may get the wrong expectations.

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Rankings reflect the output of third-party AI assistants (ChatGPT, Gemini, Perplexity, and Google AI Mode) on the dates measured. They are an observed, sourced measurement of how those assistants describe and rank each business, not an endorsement, certification, or rating by Courtyard. AI output changes over time and may be incomplete or inaccurate. Business names and descriptions are taken from the AI responses themselves.

Measured across ChatGPT, Gemini, Perplexity, and Google AI Mode. Snapshot captured Fri Jul 17, 2026. An index by Courtyard.