Heater and dehumidifier brands:Which are searched most?
In September 2026, De'Longhi was the most searched among heater and dehumidifier brands worldwide, with an estimated 673K branded searches and 88.1% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.
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Share of SearchLeaderboard
Compare the heater and dehumidifier brands people choose between. 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 De'Longhi, Rinnai, Dimplex. The figures are in the table below the chart.
View monthly share of search table
| Month | De'Longhi | Rinnai | Dimplex |
|---|---|---|---|
| Oct 2025 | 86.6% | 7.8% | 5.6% |
| Nov 2025 | 89.7% | 5.4% | 4.9% |
| Dec 2025 | 88.9% | 6.6% | 4.5% |
| Jan 2026 | 84.7% | 9.3% | 6% |
| Feb 2026 | 85.4% | 9.4% | 5.2% |
| Mar 2026 | 86.2% | 9.5% | 4.3% |
| Apr 2026 | 86.7% | 9.5% | 3.7% |
| May 2026 | 86.7% | 9.5% | 3.7% |
| Jun 2026 | 86.3% | 9.5% | 4.3% |
| Jul 2026 | 88% | 7.9% | 4.1% |
| Aug 2026 | 87.1% | 9.6% | 3.3% |
| Sep 2026 | 88.1% | 7.9% | 4% |
This month’s ranking, September 2026
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 88.1% | 673K | 0% | +0.9 points | |
| 2, held 2nd | 7.9% | 60.5K | -18.2% | -1.7 points | |
| 3, held 3rd | 4% | 30.8K | +20.8% | +0.7 points |
Compare search popularity between leading brands
Which brand is most popular in search among heater and dehumidifier brands worldwide?
3 brands
In September 2026, De'Longhi was the most searched among heater and dehumidifier brands worldwide, with an estimated 673K branded searches and 88.1% estimated Share of Search within this set. Rinnai is in 2nd place, 80.1 percentage points behind at 7.9% Share of Search.
| Brand | Share of Search | Peak | Low | Rank |
|---|---|---|---|---|
 De'Longhi | 86.6% → 88.1% | 89.7%Nov 2025 | 84.7%Jan 2026 | 1st |
 Rinnai | 7.8% → 7.9% | 9.6%Aug 2026 | 5.4%Nov 2025 | 2nd |
 Dimplex | 5.6% → 4% | 6%Jan 2026 | 3.3%Aug 2026 | 3rd |
Each finding as a sentence
- Across the 12 months ending September 2026, De'Longhi’s estimated Share of Search among heater and dehumidifier brands worldwide increased from 86.6% to 88.1%.
- Across the 12 months ending September 2026, Dimplex’s estimated Share of Search among heater and dehumidifier brands worldwide decreased from 5.6% to 4%.
- Across the 12 months ending September 2026, De'Longhi’s estimated Share of Search among heater and dehumidifier brands worldwide peaked at 89.7% in November 2025 and was lowest at 84.7% in January 2026.
- Across the 12 months ending September 2026, Rinnai’s estimated Share of Search among heater and dehumidifier brands worldwide peaked at 9.6% in August 2026 and was lowest at 5.4% in November 2025.
- Across the 12 months ending September 2026, Dimplex’s estimated Share of Search among heater and dehumidifier brands worldwide peaked at 6% in January 2026 and was lowest at 3.3% in August 2026.
- Across the 12 months ending September 2026, Rinnai held steady: its estimated Share of Search among heater and dehumidifier brands worldwide moved less than 0.5 percentage points.
How did search popularity change for heater and dehumidifier brands worldwide in September 2026?
3 changes
In September 2026, De'Longhi gained estimated Share of Search among heater and dehumidifier brands worldwide, from 87.1% to 88.1%.
In September 2026, Dimplex gained estimated Share of Search among heater and dehumidifier brands worldwide, from 3.3% to 4%.
In September 2026, Rinnai lost estimated Share of Search among heater and dehumidifier brands worldwide, from 9.6% to 7.9%.
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