HVAC and plumbing in Chicago, IL: who shows up online
Chicago is a well-reviewed market. All 20 businesses we measured have a website, and the average rating is 4.8. The median business has 1347 reviews, so the bar for social proof is high.
The top 20 hvac and plumbing on Google, measured
- 100%have a website
- 79%of sites use LocalBusiness markup
- 57%of sites publish llms.txt
- 71%of sites run Google Analytics or Tag Manager
- 4.8★average Google rating
- 1347median Google reviews
20 businesses from the Google results for “HVAC and plumbing company in Chicago, IL”. 20 list a website; we checked the homepage of the 14 that loaded.
Who ChatGPT recommends
“Who is the best HVAC or plumbing company in Chicago, IL?”
- Deljo Heating, Cooling & Plumbing
- Goode Plumbing
- Vanguard Plumbing and Sewer, Inc.
- All Temp Heating & Air Conditioning
3 of the 20 businesses in the Google results were named. 1 recommendation was for businesses outside that list.
The review leaders
| Business | Rating | Reviews | Named by ChatGPT |
|---|---|---|---|
| Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric | 4.7 | 31816 | No |
| ABC Plumbing, Sewer, Heating, Cooling & Electric | 4.7 | 25830 | No |
| King Heating, Cooling & Plumbing | 4.7 | 4343 | No |
| AA Service Co. | 4.9 | 3578 | No |
| J. Blanton Plumbing, Sewer & Drain | 4.6 | 3490 | No |
What this means for your shop
Of 14 audited sites, 79% have LocalBusiness schema, so adding it is a simple step if your site is missing it.
Analytics runs on 71% of audited sites, so confirm yours tracks visits and calls before you spend on marketing.
None of the review leaders was named by ChatGPT, so reviews are not the only thing worth working on.
HVAC and plumbing in Chicago: questions
How do I get recommended by ChatGPT in Chicago?
We asked ChatGPT who the best HVAC or plumbing company in Chicago, IL is. It named Deljo Heating, Cooling & Plumbing, Goode Plumbing, Vanguard Plumbing and Sewer, Inc., and All Temp Heating & Air Conditioning.
How many reviews do the Chicago leaders have?
Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric has 31816 reviews and ABC Plumbing, Sewer, Heating, Cooling & Electric has 25830. King Heating, Cooling & Plumbing has 4343, AA Service Co. has 3578, and J. Blanton Plumbing, Sewer & Drain has 3490.
What are most local sites missing?
The biggest gap is llms.txt, which is present on 57% of audited sites. Analytics is on 71% and LocalBusiness schema is on 79%.
Where does your business stand?
This page shows the market. The free diagnostic shows you: 42 points on your site, your Google profile and what ChatGPT and Claude say about you, with the competitors beating you by name. Usually in under an hour.
Method: HopperCat pulled the top Google results for “HVAC and plumbing company in Chicago, IL” on October 13, 2026, checked each business homepage for HTTPS, mobile setup, LocalBusiness markup, llms.txt, AI-crawler rules and analytics, and asked ChatGPT the question above with web search on. Ratings and review counts are Google's at that date.