HVAC and plumbing in Durham, NC: who shows up online
All 20 Durham businesses we checked have a website, and all 20 are rated 4.5 or higher. The median business has 860 reviews, so reviews alone will not set you apart. The gaps show up in the technical details.
The top 20 hvac and plumbing on Google, measured
- 100%have a website
- 65%of sites use LocalBusiness markup
- 41%of sites publish llms.txt
- 65%of sites run Google Analytics or Tag Manager
- 4.8★average Google rating
- 860median Google reviews
20 businesses from the Google results for “HVAC and plumbing company in Durham, NC”. 20 list a website; we checked the homepage of the 17 that loaded.
Who ChatGPT recommends
“Who is the best HVAC or plumbing company in Durham, NC?”
- Brown Brothers Plumbing & Heating
- JD Service Now
- Streamline Services Plumbing, HVAC & Electrical
- CWJ Heating & Air Conditioning
- Alternative Aire
4 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 |
|---|---|---|---|
| Michael & Son Services | 4.8 | 14516 | No |
| Blanton's Air, Plumbing & Electric | 4.9 | 7423 | No |
| JD Service Now | 4.9 | 5815 | Yes |
| Streamline Services Plumbing, HVAC & Electrical | 4.9 | 4613 | Yes |
| ARS / Rescue Rooter | 4.5 | 3558 | No |
What this means for your shop
Only 65% of the 17 audited sites use LocalBusiness schema, so adding it puts your site ahead of the rest.
Only 41% of sites have an llms.txt file, and 0% block AI crawlers, so publishing one is a simple step.
ChatGPT did not name Michael & Son Services or Blanton's Air, Plumbing & Electric, the leaders with the most reviews, so review count alone does not decide it.
HVAC and plumbing in Durham: questions
How do I get recommended by ChatGPT in Durham?
We asked ChatGPT who the best HVAC or plumbing company in Durham, NC is. It named Brown Brothers Plumbing & Heating, JD Service Now, Streamline Services Plumbing, HVAC & Electrical, CWJ Heating & Air Conditioning, and Alternative Aire. Four were in our sample and 1 was outside it.
How many reviews do the Durham leaders have?
Michael & Son Services leads with 14516 reviews at 4.8, and Blanton's Air, Plumbing & Electric has 7423 at 4.9. JD Service Now has 5815 and Streamline Services Plumbing, HVAC & Electrical has 4613, both at 4.9. ARS / Rescue Rooter has 3558 at 4.5.
What are most local sites missing?
Among the 17 audited sites, 65% have LocalBusiness schema and 65% run analytics. Only 41% have an llms.txt file. All of them already have HTTPS, mobile support, and tap-to-call links.
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 Durham, NC” on November 5, 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.