Dux vs Thermann:Which is more popular by branded search in New Zealand?
In August 2026, Thermann had more branded searches than Dux among hot water system brands in New Zealand. Thermann was estimated to have 190 branded searches compared to Dux’s 90, and held a 1.1% Share of Search versus Dux’s 0.54%.
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Which is more popular in search, Dux or Thermann?
Compare the hot water cylinder and gas water heater brands New Zealand homes use. 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.
Share of Search by month for Thermann, Dux. The figures are in the table below the chart.
View monthly share of search table
| Month | Rinnai | Rheem | Stiebel Eltron | Thermann | Dux |
|---|---|---|---|---|---|
| Oct 2025 | 50.2% | 38.4% | 9.6% | 1.3% | 0.51% |
| Nov 2025 | 47.6% | 39.1% | 11.2% | 1.2% | 0.74% |
| Dec 2025 | 51.2% | 37.5% | 9.2% | 1.4% | 0.73% |
| Jan 2026 | 48.2% | 40.2% | 9.9% | 0.98% | 0.71% |
| Feb 2026 | 52.6% | 36.6% | 9.1% | 1% | 0.62% |
| Mar 2026 | 48.5% | 39.9% | 9.6% | 1.4% | 0.61% |
| Apr 2026 | 48.3% | 38.6% | 11.5% | 1% | 0.54% |
| May 2026 | 46.8% | 41.7% | 10% | 0.93% | 0.58% |
| Jun 2026 | 48% | 40.6% | 10% | 0.98% | 0.52% |
| Jul 2026 | 50.1% | 38% | 10.6% | 0.96% | 0.39% |
| Aug 2026 | 49.3% | 39.2% | 9.9% | 1.1% | 0.54% |
| Sep 2026 | — | — | — | — | — |
How has the Dux and Thermann comparison changed over the last 12 months?
3 findings
- Thermann was ahead of Dux in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Dux’s estimated Share of Search among hot water system brands in New Zealand moved from 0.51% to 0.54%, and its estimated monthly branded searches moved from 70 to 90.
- Across the 11 months ending August 2026, Thermann’s estimated Share of Search among hot water system brands in New Zealand moved from 1.3% to 1.1%, and its estimated monthly branded searches moved from 180 to 190.
How did search popularity change for New Zealand hot water system brands in August 2026?
1 change
Estimated monthly branded searches for Dux in New Zealand rose 28.6% over 11 measured months, from 70 to 90 in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Dux’s and Thermann’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.

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