Brandwave

Karcher vs Rug Doctor:Which is more popular?

In September 2026, Rug Doctor had more branded searches than Karcher among carpet cleaner brands in New Zealand. Rug Doctor had about 6,800 branded searches, while Karcher had 2,900. Rug Doctor made up 38.8% of all carpet cleaner brand searches we track, and Karcher accounted for 16.6%. When we asked ChatGPT and Google AI Overviews about carpet cleaner brands, Rug Doctor appeared in three of the five answers and Karcher in one. Rug Doctor was mentioned before Karcher in every answer.

Among carpet cleaner brands in New Zealand in September 2026

Who do people search for more?

Rug Doctor, about 2 searches for every 1 for Karcher

Rug Doctor 6.8K searchesKarcher 2.9K searches

Who does AI mention more?

Rug Doctor, mentioned in 3 of 5 answers, Karcher in 1

Rug Doctor in 3 of 5Karcher in 1 of 5

Who does AI recommend more?

Rug Doctor, named ahead of Karcher in every answer

Rug Doctor first in 3Karcher never first

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Top carpet cleaner brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Rug Doctor was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Karcher was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Rug Doctor was listed before Karcher in every answer.

Most recommended by AI

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

  1. BISSELL1st
  2. Vax2nd
  3. Rug Doctor3rd
  4. Karcher4th
  5. Tineco–

Mentioned by AI

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

  • BISSELL5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Rug Doctor3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Vax3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Karcher1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Tineco0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about carpet cleaner brands

5 answers

  • Asked ChatGPT

    “Which carpet cleaner brand should I buy in New Zealand?”

    1. 1BISSELL
    2. 2Vax
    3. 3Rug Doctor

  • Asked ChatGPT

    “What are the best carpet cleaner brands in New Zealand?”

    1. 1BISSELL
    2. 2Vax
    3. 3Rug Doctor
    4. 4Karcher

  • Asked ChatGPT

    “What's the best carpet cleaner brand in New Zealand for deep cleaning carpets?”

    1. 1BISSELL
    2. 2Rug Doctor
    3. 3Vax

  • Searched Google, AI Overview

    “best carpet cleaner nz”

    1. 1BISSELL

  • Searched Google, AI Overview

    “pet carpet cleaner nz”

    1. 1BISSELL

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.

Is Karcher or Rug Doctor more popular in search?

This chart shows how often people search Google for Karcher and Rug Doctor by name. Each line represents a brand's share of searches for all five carpet cleaner brands we track, month by month, from searches in New Zealand.

Karcher and Rug Doctor among carpet cleaner brands in New Zealand, by month

Share of searches by month for Rug Doctor, Karcher. The figures are in the table below the chart.

View monthly share of searches table
MonthBISSELLRug DoctorKarcherVaxTineco
Oct 202539.3%40.7%16.3%2.2%1.5%
Nov 202542.1%36%18%1.9%1.9%
Dec 202537.4%42.3%16.9%1.8%1.5%
Jan 202634.6%49.3%12.9%1.7%1.4%
Feb 202637.1%45%14.4%1.9%1.6%
Mar 202637.8%44.1%14.3%1.9%1.9%
Apr 202636.4%43.2%16.7%2.2%1.5%
May 202639.8%39.6%17.2%1.9%1.5%
Jun 202642.2%37.2%16.5%2.2%1.8%
Jul 202639.9%36.5%19.7%2.1%1.7%
Aug 202644.7%35.9%15.6%2.1%1.7%
Sep 202640.9%38.8%16.6%2.2%1.5%

How has the Karcher and Rug Doctor comparison changed over the last 12 months?

3 findings

How did search popularity change for New Zealand carpet cleaner brands in September 2026?

2 changes

  1. In September 2026, Rug Doctor gained share of searches among carpet cleaner brands in New Zealand, from 35.9% to 38.8%.

  2. In September 2026, Karcher gained share of searches among carpet cleaner brands in New Zealand, from 15.6% to 16.6%.

How are branded searches counted?

5 search terms

Brandwave collects information about searches that people make online using Karcher’s and Rug Doctor’s 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.

Karcher

1 branded search term

  • karcher

Rug Doctor

4 branded search terms

  • clean rug doctor
  • rug doctor
  • rug doctor hire
  • rugdoctor

How the Brand Demand Index is measured

Other head-to-heads among carpet cleaner brands

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