Promax vs Tankworks:Which is more popular in New Zealand?

Name: Promax vs Tankworks: Which is searched more in New Zealand?
Creator: Brandwave
License: https://creativecommons.org/licenses/by/4.0/

In October 2026, Promax had more branded searches than Tankworks among water tank brands in New Zealand. Promax had about 2,910 branded searches, while Tankworks had 10. Promax made up 30.7% of all water tank brand searches we track, and Tankworks accounted for 0.11%. When we asked ChatGPT and Google AI Overviews about water tank brands, Promax appeared in all five answers and Tankworks in none.

Among water tank brands in New Zealand in October 2026

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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. Tankworks 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.

How many AI answers named each brand
Brand	ChatGPT	Google	Answers that named it
Promax	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
Bailey	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
Devan Tanks	Named in 3 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	3 of 5
Thin Tanks	Named in 0 of 3 ChatGPT answers	Named in 1 of 2 Google AI Overviews	1 of 5
Devon	Named in 0 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	0 of 5
Tankworks	Named in 0 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	0 of 5
Rhino Water Tanks	Named in 0 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	0 of 5

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?”
1. 1Devan Tanks
2. 2Promax
3. 3Bailey
Asked ChatGPT
“What are the best water tank brands in New Zealand?”
1. 1Promax
2. 2Bailey
3. 3Devan Tanks
Asked ChatGPT
“What's the best water tank brand in New Zealand for rainwater storage?”
1. 1Devan Tanks
2. 2Promax
3. 3Bailey
Searched Google, AI Overview
“water tanks nz”
1. 1Bailey
2. 2Promax
Searched Google, AI Overview
“rainwater tank nz”
1. 1Promax
2. 2Bailey
3. 3Thin Tanks

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 Tankworks more popular in search?

This chart shows how often people search Google for Promax and Tankworks 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.

Promax and Tankworks among water tank brands in New Zealand, by month

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 Tankworks changed in New Zealand over the last 12 months?

3 findings

Promax was ahead of Tankworks 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, Tankworks’ share of searches among water tank brands in New Zealand moved from 0.12% to 0.11%, and its estimated monthly branded searches held steady at 10.

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, Tankworks rose from 7th to 6th among water tank brands in New Zealand.

How are Promax’s and Tankworks’ branded searches counted?

8 search terms

Brandwave collects information about searches that people make online using Promax’s and Tankworks’ 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.