Promax vs Rhino Water Tanks:Which is more popular in New Zealand?
In October 2026, Promax had more branded searches than Rhino Water Tanks among water tank brands in New Zealand. Promax had about 2,910 branded searches, while Rhino Water Tanks had 0. Promax made up 30.7% of all water tank brand searches we track, and Rhino Water Tanks accounted for 0%. When we asked ChatGPT and Google AI Overviews about water tank brands, Promax appeared in all five answers and Rhino Water Tanks in none.
Who do people search for more?
Promax, the only one of the two with measured searches
Who does AI mention more?
Promax, mentioned in every answer we collected
Who does AI recommend more?
Promax, the only one of the two named
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Top water tank brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Promax appeared in all five answers. Rhino Water Tanks 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.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Promax5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Bailey5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Devan Tanks3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Thin Tanks1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Devon0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Tankworks0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Rhino Water Tanks0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about water tank brands
5 answers
Asked ChatGPT
“Which water tank brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best water tank brands in New Zealand?”
Asked ChatGPT
“What's the best water tank brand in New Zealand for rainwater storage?”
Searched Google, AI Overview
“water tanks nz”
Searched Google, AI Overview
“rainwater tank 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 Promax or Rhino Water Tanks more popular in search?
This chart shows how often people search Google for Promax and Rhino Water Tanks by name. Each line represents a brand's share of searches for all seven water tank brands we track, month by month, from searches in New Zealand.
Share of searches by month for Promax, Rhino Water Tanks. The figures are in the table below the chart.
View monthly share of searches table
| Month | Promax | Devon | Devan Tanks | Bailey | Thin Tanks | Tankworks | Rhino Water Tanks |
|---|---|---|---|---|---|---|---|
| Nov 2025 | 27.3% | 28.8% | 27.7% | 13.6% | 2.3% | 0.12% | 0.12% |
| Dec 2025 | 27.6% | 27.6% | 26.4% | 14.9% | 3.1% | 0.17% | 0.17% |
| Jan 2026 | 28.1% | 27.4% | 25.9% | 15.7% | 2.6% | 0.14% | 0.14% |
| Feb 2026 | 29.2% | 26.6% | 25.4% | 15.4% | 3.1% | 0.13% | 0.13% |
| Mar 2026 | 27.4% | 28.5% | 26.4% | 14.7% | 2.9% | 0.11% | 0% |
| Apr 2026 | 30% | 26.7% | 24.8% | 15% | 3.4% | 0.13% | 0% |
| May 2026 | 29.3% | 28.5% | 26% | 12.9% | 3.3% | 0.14% | 0% |
| Jun 2026 | 28.7% | 29.2% | 27.1% | 12.6% | 2.3% | 0.11% | 0% |
| Jul 2026 | 31.9% | 27.2% | 25.6% | 12.7% | 2.6% | 0% | 0.13% |
| Aug 2026 | 31% | 26.9% | 25.7% | 13.1% | 3.1% | 0.11% | 0.11% |
| Sep 2026 | 33% | 25.6% | 24.7% | 14% | 2.6% | 0% | 0.1% |
| Oct 2026 | 30.7% | 27.1% | 25.3% | 14.3% | 2.4% | 0.11% | 0% |
How has branded search for Promax and Rhino Water Tanks changed in New Zealand over the last 12 months?
3 findings
- Promax was ahead of Rhino Water Tanks in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, Promax’s share of searches among water tank brands in New Zealand moved from 27.3% to 30.7%, and its estimated monthly branded searches moved from 2.4K to 2.9K.
- Across the 12 months ending October 2026, Rhino Water Tanks’ share of searches among water tank brands in New Zealand moved from 0.12% to 0%, and its estimated monthly branded searches moved from 10 to 0.
How did search popularity change for New Zealand water tank brands in October 2026?
2 changes
In October 2026, Promax lost share of searches among water tank brands in New Zealand, from 33% to 30.7%.
In October 2026, Rhino Water Tanks fell from 6th to 7th among water tank brands in New Zealand.
How are Promax’s and Rhino Water Tanks’ branded searches counted?
8 search terms
Brandwave collects information about searches that people make online using Promax’s and Rhino Water Tanks’ 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.
Promax
7 branded search terms
- promax
- promax diesel tanks
- promax septic tanks
- promax slimline tanks
- promax tanks
- promax underground tank
- promax water tanks
Rhino Water Tanks
1 branded search term
- rhino water tanks
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