De'Longhi vs Rinnai:Which is more popular?
In September 2026, De'Longhi had more branded searches than Rinnai among heater and dehumidifier brands in New Zealand. De'Longhi had about 7,000 branded searches, while Rinnai had 3,630. De'Longhi made up 44.6% of all heater and dehumidifier brand searches we track, and Rinnai accounted for 23.1%. When we asked ChatGPT and Google AI Overviews about heater and dehumidifier brands, De'Longhi appeared in three of the four answers and Rinnai in none.
Who do people search for more?
De'Longhi, about 93% more searches than Rinnai
Who does AI mention more?
De'Longhi, mentioned in 3 of 4 answers, Rinnai in 0
Who does AI recommend more?
De'Longhi, the only one of the two named
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Top heater and dehumidifier brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, De'Longhi was mentioned in three out of four: in all three ChatGPT answers, but not in the Google AI Overview. Rinnai did not appear in any of the four answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mitsubishi Electric1st
Goldair2nd- De'Longhi3rd
Dimplex4th
Rinnai–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- De'Longhi3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Goldair3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Mitsubishi Electric3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Dimplex2 of 4Named in 2 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
See every answer about heater and dehumidifier brands
4 answers
Asked ChatGPT
“Which heater or dehumidifier brand should I go to in New Zealand?”
Asked ChatGPT
“What are the best heater and dehumidifier brands in New Zealand?”
Asked ChatGPT
“What's the best heater or dehumidifier brand in New Zealand for damp winter rooms?”
Searched Google, AI Overview
“best portable heater”
Google showed no AI Overview for this search.
Searched Google, AI Overview
“best dehumidifier”
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 De'Longhi or Rinnai more popular in search?
This chart shows how often people search Google for De'Longhi and Rinnai by name. Each line represents a brand's share of searches for all five heater and dehumidifier brands we track, month by month, from searches in New Zealand.
Share of searches by month for De'Longhi, Rinnai. The figures are in the table below the chart.
View monthly share of searches table
| Month | De'Longhi | Goldair | Rinnai | Dimplex | Mitsubishi Electric |
|---|---|---|---|---|---|
| Oct 2025 | 40.6% | 28.7% | 25.2% | 5.3% | 0.22% |
| Nov 2025 | 32.6% | 48.3% | 16.3% | 2.6% | 0.17% |
| Dec 2025 | 36.6% | 45.7% | 14.7% | 2.7% | 0.31% |
| Jan 2026 | 37% | 40.8% | 18.5% | 3.2% | 0.47% |
| Feb 2026 | 35.4% | 33.3% | 27.5% | 3.5% | 0.3% |
| Mar 2026 | 39.1% | 28.9% | 24.4% | 7.3% | 0.33% |
| Apr 2026 | 41.1% | 33.2% | 16.2% | 9% | 0.64% |
| May 2026 | 40% | 33.2% | 17.3% | 8.7% | 0.86% |
| Jun 2026 | 39.1% | 33.1% | 16.7% | 8.8% | 2.2% |
| Jul 2026 | 38.9% | 36.7% | 15.7% | 7.7% | 1.1% |
| Aug 2026 | 41.7% | 32.3% | 17.9% | 7.4% | 0.59% |
| Sep 2026 | 44.6% | 26.9% | 23.1% | 5% | 0.32% |
How has the De'Longhi and Rinnai comparison changed over the last 12 months?
3 findings
- De'Longhi was ahead of Rinnai in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, De'Longhi’s share of searches among heater and dehumidifier brands in New Zealand moved from 40.6% to 44.6%, and its estimated monthly branded searches moved from 5.5K to 7K.
- Across the 12 months ending September 2026, Rinnai’s share of searches among heater and dehumidifier brands in New Zealand moved from 25.2% to 23.1%, and its estimated monthly branded searches moved from 3.4K to 3.6K.
How did search popularity change for New Zealand heater and dehumidifier brands in September 2026?
2 changes
In September 2026, Rinnai gained share of searches among heater and dehumidifier brands in New Zealand, from 17.9% to 23.1%.
In September 2026, De'Longhi gained share of searches among heater and dehumidifier brands in New Zealand, from 41.7% to 44.6%.
How are branded searches counted?
23 search terms
Brandwave collects information about searches that people make online using De'Longhi’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.
De'Longhi
12 branded search terms
- de longhi
- delonghi
- delonghi dedica
- delonghi dehumidifier
- delonghi descaler
- delonghi ecodecalk descaler
- delonghi eletta explore
- delonghi heater
- delonghi la specialista
- delonghi magnifica
- delonghi magnifica evo
- delonghi oil heater
Rinnai
11 branded search terms
- rinnai
- rinnai dehumidifier
- rinnai gas fires
- rinnai gas heater
- rinnai heater
- rinnai infinity
- rinnai infinity 24
- rinnai infinity 26
- rinnai panel heater
- rinnai tankless boiler
- rinnai water heater
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