Brandwave

Promax vs Thin Tanks:Which is more popular in New Zealand?

In October 2026, Promax had more branded searches than Thin Tanks among water tank brands in New Zealand. Promax had about 2,910 branded searches, while Thin Tanks had 230. Promax made up 30.7% of all water tank brand searches we track, and Thin Tanks accounted for 2.4%. When we asked ChatGPT and Google AI Overviews about water tank brands, Promax appeared in all five answers and Thin Tanks in one. Promax was mentioned before Thin Tanks in every answer.

Among water tank brands in New Zealand in October 2026

Who do people search for more?

Promax, about 13 searches for every 1 for Thin Tanks

Promax 2.9K searchesThin Tanks 230 searches

Who does AI mention more?

Promax, mentioned in every answer we collected

Promax in 5 of 5Thin Tanks in 1 of 5

Who does AI recommend more?

Promax, named ahead of Thin Tanks in every answer

Promax first in 4Thin Tanks never first

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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. Thin Tanks was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Promax was listed before Thin Tanks in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Promax1st
  2. Devan Tanks2nd
  3. Bailey2nd
  4. Devon–
  5. Thin Tanks–
  6. Tankworks–
  7. Rhino Water Tanks–

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

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 Thin Tanks more popular in search?

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

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

Share of searches by month for Promax, Thin Tanks. The figures are in the table below the chart.

View monthly share of searches table
MonthPromaxDevonDevan TanksBaileyThin TanksTankworksRhino Water Tanks
Nov 202527.3%28.8%27.7%13.6%2.3%0.12%0.12%
Dec 202527.6%27.6%26.4%14.9%3.1%0.17%0.17%
Jan 202628.1%27.4%25.9%15.7%2.6%0.14%0.14%
Feb 202629.2%26.6%25.4%15.4%3.1%0.13%0.13%
Mar 202627.4%28.5%26.4%14.7%2.9%0.11%0%
Apr 202630%26.7%24.8%15%3.4%0.13%0%
May 202629.3%28.5%26%12.9%3.3%0.14%0%
Jun 202628.7%29.2%27.1%12.6%2.3%0.11%0%
Jul 202631.9%27.2%25.6%12.7%2.6%0%0.13%
Aug 202631%26.9%25.7%13.1%3.1%0.11%0.11%
Sep 202633%25.6%24.7%14%2.6%0%0.1%
Oct 202630.7%27.1%25.3%14.3%2.4%0.11%0%

How has branded search for Promax and Thin Tanks changed in New Zealand over the last 12 months?

3 findings
  • Promax was ahead of Thin 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, Thin Tanks’ share of searches among water tank brands in New Zealand moved from 2.3% to 2.4%, and its estimated monthly branded searches moved from 200 to 230.

How did search popularity change for New Zealand water tank brands in October 2026?

2 changes

  1. In October 2026, Promax lost share of searches among water tank brands in New Zealand, from 33% to 30.7%.

  2. Estimated monthly branded searches for Thin Tanks in New Zealand rose 15% over 12 measured months, from 200 to 230 in October 2026.

How are Promax’s and Thin Tanks’ branded searches counted?

12 search terms

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

Thin Tanks

5 branded search terms

  • slim thin tanks
  • thin tanks
  • thin tanks installation
  • thin water tanks
  • thintanks

How the Brand Demand Index is measured

Other head-to-heads among water tank brands

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