OnGas vs Rockgas:Which is more popular?
In September 2026, Rockgas had more branded searches than OnGas among LPG suppliers in New Zealand. Rockgas had about 9,400 branded searches, while OnGas had 690. Rockgas made up 51.8% of all LPG supplier searches we track, and OnGas accounted for 3.8%. When we asked ChatGPT and Google AI Overviews about LPG suppliers, Rockgas appeared in all five answers and OnGas in none.
Who do people search for more?
Rockgas, about 14 searches for every 1 for OnGas
Who does AI mention more?
Rockgas, mentioned in every answer we collected
Who does AI recommend more?
Rockgas, the only one of the two named
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Top LPG suppliers in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Rockgas appeared in all five answers. OnGas did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- Rockgas1st
Genesis Energy2nd
Elgas3rd- LPG4U4th
- OnGas–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Rockgas5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Elgas5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Genesis Energy3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- LPG4U2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- OnGas0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about LPG suppliers
5 answers
Asked ChatGPT
“Which LPG supplier should I switch to in New Zealand?”
Asked ChatGPT
“What are the best LPG suppliers in New Zealand?”
Asked ChatGPT
“What's the best LPG supplier in New Zealand for bottled gas?”
Searched Google, AI Overview
“lpg suppliers nz”
Searched Google, AI Overview
“lpg gas nz”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is OnGas or Rockgas more popular in search?
This chart shows how often people search Google for OnGas and Rockgas by name. Each line represents a brand's share of searches for all five LPG suppliers we track, month by month, from searches in New Zealand.
Share of searches by month for Rockgas, OnGas. The figures are in the table below the chart.
View monthly share of searches table
| Month | Rockgas | Elgas | LPG4U | OnGas | Genesis Energy |
|---|---|---|---|---|---|
| Oct 2025 | 51.9% | 38.7% | 3.4% | 4.7% | 1.4% |
| Nov 2025 | 51.6% | 38.5% | 3.3% | 5.2% | 1.3% |
| Dec 2025 | 56.5% | 32.7% | 3.5% | 6.1% | 1.3% |
| Jan 2026 | 52.1% | 36.8% | 3.9% | 5.8% | 1.4% |
| Feb 2026 | 56% | 33.2% | 4.3% | 4.9% | 1.7% |
| Mar 2026 | 52.4% | 37.8% | 3.9% | 4.2% | 1.6% |
| Apr 2026 | 52% | 38.3% | 4% | 4% | 1.7% |
| May 2026 | 52.1% | 38.5% | 4.1% | 3.4% | 2% |
| Jun 2026 | 52.2% | 38.4% | 4.1% | 3.4% | 1.9% |
| Jul 2026 | 52% | 38.5% | 4% | 3.4% | 2.1% |
| Aug 2026 | 51.9% | 38.8% | 4.1% | 3.2% | 2% |
| Sep 2026 | 51.8% | 37.5% | 4.8% | 3.8% | 2% |
How has the OnGas and Rockgas comparison changed over the last 12 months?
3 findings
- Rockgas was ahead of OnGas in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, OnGas’ share of searches among LPG suppliers in New Zealand moved from 4.7% to 3.8%, and its estimated monthly branded searches moved from 1.2K to 690.
- Across the 12 months ending September 2026, Rockgas’ share of searches among LPG suppliers in New Zealand moved from 51.9% to 51.8%, and its estimated monthly branded searches moved from 13.6K to 9.4K.
How did search popularity change for New Zealand LPG suppliers in September 2026?
2 changes
In September 2026, OnGas gained share of searches among LPG suppliers in New Zealand, from 3.2% to 3.8%.
Estimated monthly branded searches for Rockgas in New Zealand fell 30.9% over 12 measured months, from 13.6K to 9.4K in September 2026.
How are branded searches counted?
15 search terms
Brandwave collects information about searches that people make online using OnGas’ and Rockgas’ names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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