---
title: "Hot water system brands in New Zealand: Which brands are most popular in search?"
description: "Compare the hot water cylinder and gas water heater brands New Zealand homes use. Share of Search among Rinnai, Rheem, Stiebel Eltron, Thermann and Dux, the hot water system brands Brandwave compares in New Zealand, using the same methodology, market, and reporting period. 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/nz/categories/nz-hot-water-system-brands"
publisher: "Brandwave"
---

# Hot water system brands in New Zealand: Which brands are most popular in search?

Compare the hot water cylinder and gas water heater brands New Zealand homes use. Share of Search among Rinnai, Rheem, Stiebel Eltron, Thermann and Dux, the hot water system brands Brandwave compares in New Zealand, using the same methodology, market, and reporting period. 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

- **Competitive set**: Hot water system brands
- **Market**: New Zealand
- **Brands compared**: 5
- **Month measured**: Aug 2026
- **Highest Share of Search**: Rinnai, 49.3%

## Which brand is most popular in search among hot water system brands in New Zealand?

- In August 2026, Rinnai was the most searched among hot water system brands in New Zealand, with an estimated 8.3K branded searches and 49.3% estimated Share of Search within this set.
- Rheem is in 2nd place, 10.1 percentage points behind at 39.2% Share of Search.
- Across the 11 months ending August 2026, Rinnai’s estimated Share of Search among hot water system brands in New Zealand decreased from 50.2% to 49.3%.
- Across the 11 months ending August 2026, Rheem’s estimated Share of Search among hot water system brands in New Zealand increased from 38.4% to 39.2%.
- Across the 11 months ending August 2026, Rinnai’s estimated Share of Search among hot water system brands in New Zealand peaked at 52.6% in February 2026 and was lowest at 46.8% in May 2026.
- Across the 11 months ending August 2026, Rheem’s estimated Share of Search among hot water system brands in New Zealand peaked at 41.7% in May 2026 and was lowest at 36.6% in February 2026.
- Across the 11 months ending August 2026, Stiebel Eltron’s estimated Share of Search among hot water system brands in New Zealand peaked at 11.5% in April 2026 and was lowest at 9.1% in February 2026.
- Across the 11 months ending August 2026, Stiebel Eltron, Thermann and Dux held steady: their estimated Share of Search among hot water system brands in New Zealand each moved less than 0.5 percentage points.

## Compare search popularity between leading brands

- [Rinnai vs Rheem: compare search popularity](/demand/nz/compare/rheem-vs-rinnai): 49.3% against 39.2% Share of Search.
- [Rinnai vs Stiebel Eltron: compare search popularity](/demand/nz/compare/rinnai-vs-stiebel-eltron): 49.3% against 9.9% Share of Search.
- [Rheem vs Stiebel Eltron: compare search popularity](/demand/nz/compare/rheem-vs-stiebel-eltron): 39.2% against 9.9% Share of Search.

## How did search popularity change for New Zealand hot water system brands in August 2026?

- In August 2026, Rheem gained estimated Share of Search among hot water system brands in New Zealand, from 38% to 39.2%.
- In August 2026, Stiebel Eltron lost estimated Share of Search among hot water system brands in New Zealand, from 10.6% to 9.9%.
- In August 2026, Rinnai lost estimated Share of Search among hot water system brands in New Zealand, from 50.1% to 49.3%.
- Estimated monthly branded searches for Dux in New Zealand rose 28.6% over 11 measured months, from 70 to 90 in August 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Rinnai | 49.3% | 8.3K | -7.3% | Rinnai |
| 2 | Rheem | 39.2% | 6.6K | -3.0% | Rheem |
| 3 | Stiebel Eltron | 9.9% | 1.6K | -12.7% | Stiebel Eltron |
| 4 | Thermann | 1.1% | 190 | +11.8% | Thermann |
| 5 | Dux | 0.54% | 90 | +28.6% | Dux |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Rinnai | 6.8K | 50.2% | 1 |
| Oct 2025 | Rheem | 5.2K | 38.4% | 2 |
| Oct 2025 | Stiebel Eltron | 1.3K | 9.6% | 3 |
| Oct 2025 | Thermann | 180 | 1.3% | 4 |
| Oct 2025 | Dux | 70 | 0.51% | 5 |
| Nov 2025 | Rinnai | 5.8K | 47.6% | 1 |
| Nov 2025 | Rheem | 4.7K | 39.1% | 2 |
| Nov 2025 | Stiebel Eltron | 1.4K | 11.2% | 3 |
| Nov 2025 | Thermann | 150 | 1.2% | 4 |
| Nov 2025 | Dux | 90 | 0.74% | 5 |
| Dec 2025 | Rinnai | 4.9K | 51.2% | 1 |
| Dec 2025 | Rheem | 3.6K | 37.5% | 2 |
| Dec 2025 | Stiebel Eltron | 880 | 9.2% | 3 |
| Dec 2025 | Thermann | 130 | 1.4% | 4 |
| Dec 2025 | Dux | 70 | 0.73% | 5 |
| Jan 2026 | Rinnai | 5.4K | 48.2% | 1 |
| Jan 2026 | Rheem | 4.5K | 40.2% | 2 |
| Jan 2026 | Stiebel Eltron | 1.1K | 9.9% | 3 |
| Jan 2026 | Thermann | 110 | 0.98% | 4 |
| Jan 2026 | Dux | 80 | 0.71% | 5 |
| Feb 2026 | Rinnai | 6.7K | 52.6% | 1 |
| Feb 2026 | Rheem | 4.7K | 36.6% | 2 |
| Feb 2026 | Stiebel Eltron | 1.2K | 9.1% | 3 |
| Feb 2026 | Thermann | 130 | 1% | 4 |
| Feb 2026 | Dux | 80 | 0.62% | 5 |
| Mar 2026 | Rinnai | 7.2K | 48.5% | 1 |
| Mar 2026 | Rheem | 5.9K | 39.9% | 2 |
| Mar 2026 | Stiebel Eltron | 1.4K | 9.6% | 3 |
| Mar 2026 | Thermann | 210 | 1.4% | 4 |
| Mar 2026 | Dux | 90 | 0.61% | 5 |
| Apr 2026 | Rinnai | 7.2K | 48.3% | 1 |
| Apr 2026 | Rheem | 5.8K | 38.6% | 2 |
| Apr 2026 | Stiebel Eltron | 1.7K | 11.5% | 3 |
| Apr 2026 | Thermann | 150 | 1% | 4 |
| Apr 2026 | Dux | 80 | 0.54% | 5 |
| May 2026 | Rinnai | 8K | 46.8% | 1 |
| May 2026 | Rheem | 7.2K | 41.7% | 2 |
| May 2026 | Stiebel Eltron | 1.7K | 10% | 3 |
| May 2026 | Thermann | 160 | 0.93% | 4 |
| May 2026 | Dux | 100 | 0.58% | 5 |
| Jun 2026 | Rinnai | 8.3K | 48% | 1 |
| Jun 2026 | Rheem | 7K | 40.6% | 2 |
| Jun 2026 | Stiebel Eltron | 1.7K | 10% | 3 |
| Jun 2026 | Thermann | 170 | 0.98% | 4 |
| Jun 2026 | Dux | 90 | 0.52% | 5 |
| Jul 2026 | Rinnai | 8.9K | 50.1% | 1 |
| Jul 2026 | Rheem | 6.8K | 38% | 2 |
| Jul 2026 | Stiebel Eltron | 1.9K | 10.6% | 3 |
| Jul 2026 | Thermann | 170 | 0.96% | 4 |
| Jul 2026 | Dux | 70 | 0.39% | 5 |
| Aug 2026 | Rinnai | 8.3K | 49.3% | 1 |
| Aug 2026 | Rheem | 6.6K | 39.2% | 2 |
| Aug 2026 | Stiebel Eltron | 1.6K | 9.9% | 3 |
| Aug 2026 | Thermann | 190 | 1.1% | 4 |
| Aug 2026 | Dux | 90 | 0.54% | 5 |
| Sep 2026 | Dux | — | — | — |
| Sep 2026 | Rheem | — | — | — |
| Sep 2026 | Rinnai | — | — | — |
| Sep 2026 | Stiebel Eltron | — | — | — |
| Sep 2026 | Thermann | — | — | — |

## What is being compared

- **Dux**: Measured on the search terms “dux gas hot water”, “dux hot water” and “dux hot water cylinder”, summed into one figure.
- **Rheem**: Measured on the search terms “rheem”, “rheem 180l hot water cylinder”, “rheem 250l hot water cylinder”, “rheem 26”, “rheem 27”, “rheem 31218015”, “rheem co nz”, “rheem gas hot water”, “rheem heat pump hot water cylinder”, “rheem hot water”, “rheem hot water cylinder”, “rheem hot water cylinder thermostat”, “rheem hot water heat pump”, “rheem hot water service”, “rheem hwc”, “rheem near me”, “rheem new zealand”, “rheem nz”, “rheem online”, “rheem outdoor hot water cylinder”, “rheem proterra heat pump water heater”, “rheem tankless water heater repair”, “rheem thermostat”, “rheem water heater” and “rheem water heater repair”, summed into one figure.
- **Rinnai**: Measured on the search terms “rinnai”, “rinnai 180l hot water cylinder”, “rinnai a26”, “rinnai air conditioner”, “rinnai co nz”, “rinnai dehumidifier”, “rinnai gas fires”, “rinnai gas heater”, “rinnai gas hot water”, “rinnai heat pump”, “rinnai heat pump hot water”, “rinnai heater”, “rinnai hot water”, “rinnai hot water cylinder”, “rinnai infinity”, “rinnai infinity 24”, “rinnai infinity 26”, “rinnai infinity a26”, “rinnai near me”, “rinnai nz”, “rinnai panel heater”, “rinnai tankless boiler” and “rinnai water heater”, summed into one figure.
- **Stiebel Eltron**: Measured on the search terms “stiebel eltron”, “stiebel eltron heater”, “stiebel eltron hot water”, “stiebel eltron hot water cylinder”, “stiebel eltron near me”, “stiebel eltron nz” and “stiebeleltron”, summed into one figure.
- **Thermann**: Measured on the search terms “thermann”, “thermann gas hot water”, “thermann hot water”, “thermann hot water cylinder” and “thermann nz”, summed into one figure.

- [Dux](/demand/nz/brands/dux)
- [Rheem](/demand/nz/brands/rheem)
- [Rinnai](/demand/nz/brands/rinnai)
- [Stiebel Eltron](/demand/nz/brands/stiebel-eltron)
- [Thermann](/demand/nz/brands/thermann)

## Methodology

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

## Frequently asked questions

### Which brand is most popular in search among hot water system brands in New Zealand?

In August 2026, Rinnai was the most searched among hot water system brands in New Zealand, with an estimated 8.3K branded searches and 49.3% estimated Share of Search within this set.

## Cite this page

Brandwave. "Hot water system brands in New Zealand: Which brands are most popular in search?". https://gobrandwave.com/demand/nz/categories/nz-hot-water-system-brands

This page is also available as HTML at https://gobrandwave.com/demand/nz/categories/nz-hot-water-system-brands. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.