DeWalt vs Rinnai:Which is more popular?
In September 2026, DeWalt and Rinnai were level in searches among heaters worldwide, with an estimated 4.2K versus 4.5K branded searches, at 3.8% and 4% of the total. When we asked ChatGPT and Google AI Overviews about heaters, neither DeWalt nor Rinnai appeared in any of the four answers.
Who do people search for more?
Rinnai, about 6% more searches than DeWalt
Who does AI mention more?
Both were mentioned in 0 of 4 answers.
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Top heaters in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, neither DeWalt nor Rinnai showed up in any of the four answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Dreo2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
Lasko2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Dyson1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
De'Longhi1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
Vornado1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
Dimplex0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
Honeywell0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers- Rinnai0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
DeWalt0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
Russell Hobbs0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
See every answer about heaters
4 answers
Asked ChatGPT
“Which heater should I go to?”
Asked ChatGPT
“What are the best heaters?”
Asked ChatGPT
“What's the best heater for a room?”
- 1Dreo
- 1
Searched Google, AI Overview
“electric heater”
Searched Google, AI Overview
“space heater for room”
Google showed no AI Overview for this search.
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.
Share of searches by month for Rinnai, DeWalt. The figures are in the table below the chart.
View monthly share of searches table
| Month | Dyson | Dreo | De'Longhi | Lasko | Dimplex | Vornado | Honeywell | Rinnai | DeWalt | Russell Hobbs |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 15.5% | 20.6% | 11.7% | 20.5% | 7.8% | 9% | 7.9% | 1.9% | 3.8% | 1.1% |
| Nov 2025 | 15.5% | 23.6% | 10.8% | 20.2% | 6.5% | 8.2% | 8.4% | 1.6% | 4% | 1% |
| Dec 2025 | 13.5% | 28.5% | 10.6% | 21.3% | 3.8% | 8.4% | 6.6% | 1.5% | 4.8% | 0.9% |
| Jan 2026 | 12.1% | 24.4% | 12.4% | 22.6% | 4.9% | 8.8% | 7.1% | 1.4% | 5.2% | 1.1% |
| Feb 2026 | 13.4% | 23.7% | 11.6% | 20.5% | 6.5% | 9.5% | 7.9% | 1.9% | 4.1% | 0.78% |
| Mar 2026 | 18.8% | 21.7% | 13.8% | 14.3% | 10.4% | 7.4% | 6.2% | 3.1% | 2.9% | 1.4% |
| Apr 2026 | 19.4% | 17.2% | 21.8% | 10.3% | 10.8% | 7.2% | 5.5% | 3.6% | 2.4% | 1.8% |
| May 2026 | 22.9% | 14.4% | 28.3% | 7.9% | 9.9% | 4.6% | 4.2% | 4.1% | 1.6% | 2.2% |
| Jun 2026 | 23.6% | 17% | 30.7% | 5.6% | 9.9% | 4.2% | 2.7% | 3.5% | 1.3% | 1.7% |
| Jul 2026 | 23.4% | 14% | 32.5% | 6.2% | 9.2% | 4.7% | 2.8% | 4% | 1.4% | 1.7% |
| Aug 2026 | 23% | 11.6% | 27.2% | 8.3% | 10.3% | 5% | 4.6% | 5.1% | 3.3% | 1.6% |
| Sep 2026 | 24.5% | 15.8% | 15% | 12.4% | 8.5% | 7.8% | 7.1% | 4% | 3.8% | 1.1% |
Rinnai and DeWalt sell other things too, so only their searches that name this product count here, like “rinnai heater”.
How has the DeWalt and Rinnai comparison changed over the last 12 months?
3 findings
- The lead changed hands once in the 12 months ending September 2026: Rinnai took it in March 2026.
- Across the 12 months ending September 2026, DeWalt’s share of searches among heaters worldwide held steady at 3.8%, and its estimated monthly branded searches moved from 10.7K to 4.2K.
- Across the 12 months ending September 2026, Rinnai’s share of searches among heaters worldwide moved from 1.9% to 4%, and its estimated monthly branded searches moved from 5.3K to 4.5K.
How did search popularity change for heaters worldwide in September 2026?
4 changes
In September 2026, Vornado overtook Rinnai to rank 6th among heaters worldwide, with 7.8% of the searches.
In September 2026, Honeywell overtook Rinnai to rank 7th among heaters worldwide, with 7.1% of the searches.
In September 2026, Rinnai lost share of searches among heaters worldwide, from 5.1% to 4%.
DeWalt’s share of searches among heaters worldwide has gained ground for 3 months in a row, from 1.3% to 3.8% in September 2026.
How are branded searches counted?
9 search terms
Brandwave collects information about searches that people make online using DeWalt’s and Rinnai’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.
Other head-to-heads among heaters
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