Herman Miller vs Sihoo:Which is more popular?
In September 2026, Herman Miller had more branded searches than Sihoo among ergonomic office chair brands in New Zealand. Herman Miller had about 2,300 branded searches, while Sihoo had 390. Herman Miller made up 61.8% of all ergonomic office chair brand searches we track, and Sihoo accounted for 10.5%. When we asked ChatGPT and Google AI Overviews about ergonomic office chair brands, Herman Miller appeared in three of the five answers and Sihoo in one. Herman Miller was mentioned before Sihoo in three out of four answers that named either.
Who do people search for more?
Herman Miller, about 6 searches for every 1 for Sihoo
Who does AI mention more?
Herman Miller, mentioned in 3 of 5 answers, Sihoo in 1
Who does AI recommend more?
Herman Miller, named ahead of Sihoo in 3 of 4 answers
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Top ergonomic office chair brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Herman Miller was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Sihoo was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Herman Miller was listed before Sihoo in three out of four answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Buro1st
Herman Miller2nd
Steelcase3rd
Sihoo4th
Ergohuman4th
Humanscale–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Buro5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Herman Miller3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Steelcase3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Ergohuman3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Sihoo1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Humanscale0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about ergonomic office chair brands
5 answers
Asked ChatGPT
“Which ergonomic office chair brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best ergonomic office chair brands in New Zealand?”
Asked ChatGPT
“What's the best ergonomic office chair brand in New Zealand for all-day support?”
Searched Google, AI Overview
“best office chair nz”
Searched Google, AI Overview
“ergonomic chair nz”
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 Herman Miller or Sihoo more popular in search?
This chart shows how often people search Google for Herman Miller and Sihoo by name. Each line represents a brand's share of searches for all six ergonomic office chair brands we track, month by month, from searches in New Zealand.
Share of searches by month for Herman Miller, Sihoo. The figures are in the table below the chart.
View monthly share of searches table
| Month | Herman Miller | Buro | Sihoo | Steelcase | Humanscale | Ergohuman |
|---|---|---|---|---|---|---|
| Oct 2025 | 64% | 14.8% | 5.9% | 9.9% | 4.1% | 1.3% |
| Nov 2025 | 63.8% | 14.6% | 8.2% | 9.6% | 3.2% | 0.68% |
| Dec 2025 | 63.4% | 11.8% | 8.2% | 12.8% | 2.8% | 1% |
| Jan 2026 | 62.9% | 15.3% | 7% | 10.3% | 3.7% | 0.87% |
| Feb 2026 | 64.6% | 15.2% | 8.4% | 7.9% | 3.1% | 0.88% |
| Mar 2026 | 69.2% | 11.8% | 7.8% | 7.7% | 2.5% | 1% |
| Apr 2026 | 67.4% | 11.9% | 7.9% | 8.6% | 3.1% | 1% |
| May 2026 | 66.6% | 11.9% | 7.8% | 8.2% | 4.8% | 0.6% |
| Jun 2026 | 66% | 11.8% | 7.3% | 9.1% | 4.1% | 1.7% |
| Jul 2026 | 65.4% | 12.7% | 8.3% | 7.2% | 5.3% | 1.1% |
| Aug 2026 | 66.4% | 11.9% | 8.5% | 7.8% | 4.3% | 1.1% |
| Sep 2026 | 61.8% | 13.7% | 10.5% | 8.9% | 3.5% | 1.6% |
How has the Herman Miller and Sihoo comparison changed over the last 12 months?
3 findings
- Herman Miller was ahead of Sihoo in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Herman Miller’s share of searches among ergonomic office chair brands in New Zealand moved from 64% to 61.8%, and its estimated monthly branded searches moved from 2.5K to 2.3K.
- Across the 12 months ending September 2026, Sihoo’s share of searches among ergonomic office chair brands in New Zealand moved from 5.9% to 10.5%, and its estimated monthly branded searches moved from 230 to 390.
How did search popularity change for New Zealand ergonomic office chair brands in September 2026?
2 changes

In September 2026, Sihoo gained share of searches among ergonomic office chair brands in New Zealand, from 8.5% to 10.5%.

In September 2026, Herman Miller lost share of searches among ergonomic office chair brands in New Zealand, from 66.4% to 61.8%.
How are branded searches counted?
14 search terms
Brandwave collects information about searches that people make online using Herman Miller’s and Sihoo’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.
Herman Miller
8 branded search terms
- aeron chair
- herman miller
- herman miller aeron
- herman miller eames
- herman miller embody
- herman miller mirra
- herman miller sayl
- hermanmiller
Sihoo
6 branded search terms
- ergonomic chair sihoo
- sihoo
- sihoo chair
- sihoo doro
- sihoo ergonomic chair
- sihoo office chair
Other head-to-heads among ergonomic office chair brands

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