HVAC and plumbing in Los Angeles, CA: who shows up online
All 19 businesses we measured have a website, and all 13 audited sites use HTTPS and work on mobile. Reviews are strong too, with an average rating of 4.8 and 18 businesses rated 4.5 or higher. The differences show up in the details, like schema, llms.txt, and which companies ChatGPT names.
The top 19 hvac and plumbing on Google, measured
- 100%have a website
- 85%of sites use LocalBusiness markup
- 54%of sites publish llms.txt
- 77%of sites run Google Analytics or Tag Manager
- 4.8★average Google rating
- 328median Google reviews
19 businesses from the Google results for “HVAC and plumbing company in Los Angeles, CA”. 19 list a website; we checked the homepage of the 13 that loaded.
Who ChatGPT recommends
“Who is the best HVAC or plumbing company in Los Angeles, CA?”
- Brody Pennell Heating & Air Conditioning
- JW Plumbing, Heating and Air
- LC Heating & Air Conditioning
- A-1 Total Service Plumbing
- Precise Air Systems Inc.
10 of the 19 businesses in the Google results were named. 2 recommendations were for businesses outside that list.
The review leaders
| Business | Rating | Reviews | Named by ChatGPT |
|---|---|---|---|
| American AC Heat Plumbing | 4.9 | 3531 | No |
| Adeedo Plumbing, Drains & Heating | 4.7 | 3059 | No |
| JW Plumbing, Heating and Air | 4.8 | 3040 | Yes |
| Power Pro Plumbing Heating & Air | 4.9 | 2130 | Yes |
| Service Champions Plumbing, Heating & AC | 4.9 | 684 | No |
What this means for your shop
LocalBusiness schema is on 85% of audited sites, so if yours is missing it, you are behind most of your local peers.
An llms.txt file is on 54% of audited sites, and 0% block AI crawlers, so adding one is an easy step.
The median business has 328 reviews and only 3 have under 50, so owners below that median should make review requests routine.
HVAC and plumbing in Los Angeles: questions
How do I get recommended by ChatGPT in Los Angeles?
We asked ChatGPT who the best HVAC or plumbing company in Los Angeles, CA is. It named 10 businesses from our sample and 2 outside it, including JW Plumbing, Heating and Air and Power Pro Plumbing Heating & Air.
How many reviews do the Los Angeles leaders have?
American AC Heat Plumbing leads with 3531 reviews at 4.9. Adeedo Plumbing, Drains & Heating has 3059, JW Plumbing, Heating and Air has 3040, and Service Champions Plumbing, Heating & AC has 684.
What are most local sites still missing?
Basics like HTTPS and mobile are covered at 100%. The gaps are llms.txt at 54%, analytics at 77%, and LocalBusiness schema at 85%.
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 Los Angeles, CA” 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.