Brandwave

How popular isDoulton?

In September 2026, people searched for Doulton by name about 720 times in New Zealand, about the same as the previous year. These searches made up 4.4% of all New Zealand water filter brand searches, placing Doulton fifth out of eight brands. When we asked both ChatGPT and Google AI Overviews about water filter brands, Doulton appeared in four of the five answers and was the third most recommended of the eight.

Search and AI answers in September 2026

Doulton is the fifth most searched of 8 competitors and the third most recommended in AI answers.

  1. BritaShare of searches 36.8%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
  2. PhilipsShare of searches 32%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  3. PuretecShare of searches 12.7%Mentioned in 4 of 5 AI answersPlace in AI recommendations 2nd
  4. HydroflowShare of searches 8%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  5. DoultonShare of searches 4.4%Mentioned in 4 of 5 AI answersPlace in AI recommendations 3rd

+3 more

Follow Doulton and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Top water filter brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Doulton was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Doulton is the third most recommended of the eight.

Most recommended by AI

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

  1. Brita1st
  2. Puretec2nd
  3. Doulton3rd
  4. Philips–
  5. Hydroflow–
  6. Waters Co–
  7. Billi–
  8. Zip Water–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Brita4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Puretec4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Doulton4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Philips0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Hydroflow0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Waters Co0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Billi0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Zip Water0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about water filter brands

5 answers

  • Asked ChatGPT

    “Which water filter brand should I buy in New Zealand?”

    1. 1Brita
    2. 2Puretec
    3. 3Doulton

  • Asked ChatGPT

    “What are the best water filter brands in New Zealand?”

    1. 1Puretec
    2. 2Brita
    3. 3Doulton

  • Asked ChatGPT

    “What's the best water filter brand in New Zealand for clean drinking water?”

    1. 1Puretec
    2. 2Brita
    3. 3Doulton

  • Searched Google, AI Overview

    “best water filter”

    1. 1Brita
    2. 2Doulton

  • Searched Google, AI Overview

    “home water filter nz”

    1. 1Puretec

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.

Which water filter brands compete with Doulton?

Doulton against water filter brands in New Zealand, by month

Share of searches by month for Brita, Philips, Puretec, Hydroflow, Doulton, Waters Co. The figures are in the table below the chart.

View monthly share of searches table
MonthBritaPhilipsPuretecHydroflowDoultonWaters CoBilliZip Water
Oct 202537.6%30%15.1%6.5%4.7%3.5%1.7%0.78%
Nov 202538.9%31%13.3%6%4.3%4.2%1.5%0.72%
Dec 202536%34.6%13.1%5.5%5.5%3.6%1.1%0.63%
Jan 202637.7%31.9%13.6%6%5.3%3.3%1.4%0.9%
Feb 202641.8%28.9%13.3%6.6%3.9%3.1%1.5%0.86%
Mar 202639.6%27.8%14.2%8.5%3.8%3.6%1.7%0.85%
Apr 202638%34%12.6%6.1%4.4%2.4%1.6%0.8%
May 202636.7%36.4%12.1%6%4.3%2.1%1.6%0.84%
Jun 202638.7%34.7%12.1%5.6%4.1%2.5%1.4%0.85%
Jul 202639.8%33.7%12.3%6%3.5%2.6%1.2%0.95%
Aug 202637.9%34.9%12.6%6.1%3.6%2.4%1.5%0.98%
Sep 202636.8%32%12.7%8%4.4%3.5%1.6%1%

  1. 1.Brita

    36.8%

    Held 1st. 6K estimated branded searches, -3.4% vs prior month. Share -1.1 points.

  2. 2.Philips

    32%

    Held 2nd. 5.2K estimated branded searches, -8.6% vs prior month. Share -2.9 points.

  3. 3.Puretec

    12.7%

    Held 3rd. 2.1K estimated branded searches, +0.49% vs prior month. Share +0.1 points.

  4. 4.Hydroflow

    8%

    Held 4th. 1.3K estimated branded searches, +30% vs prior month. Share +1.9 points.

  5. 5.Doulton

    4.4%

    Held 5th. 720 estimated branded searches, +22% vs prior month. Share +0.8 points.

  6. 6.Waters Co

    3.5%

    Held 6th. 570 estimated branded searches, +42.5% vs prior month. Share +1.1 points.

  7. 7.Billi

    1.6%

    Held 7th. 260 estimated branded searches, +4% vs prior month. Share +0.1 points.

  8. 8.Zip Water

    1%

    Held 8th. 170 estimated branded searches, +6.3% vs prior month. Share +0.1 points.

Compare popularity between Doulton and its closest rivals

Every comparison with Doulton

7 comparisons

How has branded search demand for Doulton changed in New Zealand over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Doulton in New Zealand held steady at 720.
  • Across the 12 months ending September 2026, Doulton’s share of searches among water filter brands in New Zealand peaked at 5.5% in December 2025 and was lowest at 3.5% in July 2026.

How did search popularity change for New Zealand water filter brands in September 2026?

6 changes

  1. In September 2026, Hydroflow gained share of searches among water filter brands in New Zealand, from 6.1% to 8%.

  2. In September 2026, Waters Co gained share of searches among water filter brands in New Zealand, from 2.4% to 3.5%.

  3. In September 2026, Doulton gained share of searches among water filter brands in New Zealand, from 3.6% to 4.4%.

  4. In September 2026, Philips lost share of searches among water filter brands in New Zealand, from 34.9% to 32%.

  5. In September 2026, Brita lost share of searches among water filter brands in New Zealand, from 37.9% to 36.8%.

  6. Puretec’s share of searches among water filter brands in New Zealand has gained ground for 3 months in a row, from 12.1% to 12.7% in September 2026.

How are Doulton’s branded searches counted?

1 search term

Brandwave collects information about searches that people make online using Doulton’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • doulton

Do you work for Doulton? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

Creator with pink hair and a pink jacket

Is Doulton your brand?

Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.

Start free