HVAC and plumbing in Honolulu, HI: who shows up online
We looked at the top 19 HVAC and plumbing companies Google shows for Honolulu. 89% have a website, and 67% of those sites tell search engines what kind of business they are.
The top 19 hvac and plumbing on Google, measured
- 89%have a website
- 67%of sites use LocalBusiness markup
- 33%of sites publish llms.txt
- 73%of sites run Google Analytics or Tag Manager
- 4.7★average Google rating
- 308median Google reviews
19 businesses from the Google results for “HVAC and plumbing company in Honolulu, HI”. 17 list a website; we checked the homepage of the 15 that loaded.
Who ChatGPT recommends
“Who is the best HVAC or plumbing company in Honolulu, HI?”
- 535 Plumbing LLC
- Air Masters Inc
- Air Source Air Conditioning
- Waialae Plumbing & Construction
- Pipe Masters
5 of the 19 businesses in the Google results were named. 1 recommendation was for businesses outside that list.
The review leaders
| Business | Rating | Reviews | Named by ChatGPT |
|---|---|---|---|
| Steve’s Plumbing & A/C Service | 4.8 | 5394 | No |
| A-1 Budget Plumbing | 4.9 | 3371 | No |
| Roto-Rooter Plumbing & Water Cleanup | 4.8 | 2259 | No |
| All Aloha Plumbing and Drain Cleaning Oahu | 4.8 | 1326 | No |
| Allens Plumbing | 4.7 | 1021 | No |
What this means for your shop
Only 33% of the sites we checked publish an llms.txt file for AI assistants.
The median shop in this list has 308 Google reviews.
ChatGPT named 5 of these 19 businesses when asked for a recommendation.
HVAC and plumbing in Honolulu: questions
What do most HVAC and plumbing companies in Honolulu miss online?
Structured data and AI files. 67% of sites have LocalBusiness markup and 33% have llms.txt.
How many reviews do the leading HVAC and plumbing companies in Honolulu have?
The median in this list is 308 reviews, with an average rating of 4.7.
How do I find out where my own business stands?
Request the free 42-point check. It checks 42 points, including what ChatGPT and Claude answer about your city.
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 Honolulu, HI” on November 1, 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.