---
title: "Doulton vs Zen Water Systems: Which is searched more in Australia?"
description: "Is Doulton or Zen Water Systems more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Water filter brands set in Australia. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/au/compare/doulton-vs-zen-water"
publisher: "Brandwave"
---

# Doulton vs Zen Water Systems: Which is searched more in Australia?

Is Doulton or Zen Water Systems more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Water filter brands set in Australia. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Compared**: Doulton and Zen Water Systems
- **Competitive set**: Water filter brands
- **Market**: Australia
- **Month measured**: Sep 2026
- **Doulton Share of Search**: 28.7%
- **Zen Water Systems Share of Search**: 2.1%

## Is Doulton or Zen Water Systems more popular in search?

- In September 2026, Doulton had more branded searches than Zen Water Systems among water filter brands in Australia. Doulton had about 8,100 branded searches, while Zen Water Systems had 590. Doulton made up 28.7% of all water filter brand searches we track, and Zen Water Systems accounted for 2.1%.
- Doulton was ahead of Zen Water Systems in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Doulton’s share of searches among water filter brands in Australia moved from 27.2% to 28.7%, and its estimated monthly branded searches held steady at 8.1K.
- Across the 12 months ending September 2026, Zen Water Systems’ share of searches among water filter brands in Australia moved from 2.4% to 2.1%, and its estimated monthly branded searches moved from 720 to 590.

## Top water filter brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, neither Doulton nor Zen Water Systems showed up in any of the five answers.

Brands get a higher AI rank if they are mentioned earlier in the answers that list options.

| Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- | --- |
| Puretec | 1st | 2 of 3 | 0 of 2 | 2 of 5 |
| Brita | 2nd | 2 of 3 | 2 of 2 | 4 of 5 |
| Waterdrop | 3rd | 3 of 3 | 1 of 2 | 4 of 5 |
| Doulton | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |
| Zip Water | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |
| Billi | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |
| Zen Water Systems | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about water filter brands

- Asked ChatGPT "Which water filter should I buy for my home in Australia?": 1. Brita, 2. Waterdrop
- Asked ChatGPT "What are the best water filter brands in Australia?": 1. Puretec, 2. Brita, 3. Waterdrop
- Asked ChatGPT "What's the best filtered water tap for a kitchen?": 1. Puretec, 2. Waterdrop
- Searched Google, AI Overview "water filter": 1. Brita, 2. Waterdrop
- Searched Google, AI Overview "water filter jug": 1. Brita

Not named in any answer: Doulton, Zip Water, Billi and Zen Water Systems.

Brands are listed in the order each answer named them. The answers were collected in Australia on October 26, 2026.

## How did search popularity change for Australia water filter brands in September 2026?

- In September 2026, Doulton lost share of searches among water filter brands in Australia, from 36.9% to 28.7%.
- Estimated monthly branded searches for Zen Water Systems in Australia fell 18.1% over 12 measured months, from 720 to 590 in September 2026.

## Month by month

| Month | Doulton estimated searches | Doulton Share of Search | Doulton rank | Zen Water Systems estimated searches | Zen Water Systems Share of Search | Zen Water Systems rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 8.1K | 27.2% | 1 | 720 | 2.4% | 7 |
| Nov 2025 | 12.1K | 32.5% | 1 | 1K | 2.7% | 6 |
| Dec 2025 | 14.8K | 42.9% | 1 | 880 | 2.6% | 7 |
| Jan 2026 | 9.9K | 31% | 1 | 720 | 2.3% | 7 |
| Feb 2026 | 6.6K | 24.8% | 1 | 590 | 2.2% | 7 |
| Mar 2026 | 8.1K | 28% | 1 | 720 | 2.5% | 7 |
| Apr 2026 | 8.1K | 28.4% | 1 | 720 | 2.5% | 7 |
| May 2026 | 8.1K | 28.7% | 1 | 590 | 2.1% | 7 |
| Jun 2026 | 6.6K | 24.7% | 1 | 590 | 2.2% | 7 |
| Jul 2026 | 9.9K | 32.9% | 1 | 590 | 2% | 7 |
| Aug 2026 | 12.1K | 36.9% | 1 | 590 | 1.8% | 7 |
| Sep 2026 | 8.1K | 28.7% | 1 | 590 | 2.1% | 7 |

## How each brand is measured

Brandwave collects information about searches that people make online using Doulton’s and Zen Water Systems’ 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.

- **Doulton**: Measured on the search term “doulton”.
- **Zen Water Systems**: Measured on the search term “zen water”.

- [Doulton profile](/demand/au/brands/doulton)
- [Zen Water Systems profile](/demand/au/brands/zen-water)
- [All water filter brands in Australia](/demand/au/categories/au-water-filter-brands): The set both shares are measured inside, 7 brands.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Is Doulton or Zen Water Systems more popular in search?

In September 2026, Doulton had more branded searches than Zen Water Systems among water filter brands in Australia. Doulton had about 8,100 branded searches, while Zen Water Systems had 590. Doulton made up 28.7% of all water filter brand searches we track, and Zen Water Systems accounted for 2.1%.

## Cite this page

Brandwave. "Doulton vs Zen Water Systems: Which is searched more in Australia?". https://gobrandwave.com/demand/au/compare/doulton-vs-zen-water

This page is also available as HTML at https://gobrandwave.com/demand/au/compare/doulton-vs-zen-water. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
