Mitsubishi Heavy Industries vs Rinnai:Which is more popular?
In September 2026, Mitsubishi Heavy Industries had more branded searches than Rinnai among air conditioner brands in Australia. Mitsubishi Heavy Industries had about 3,600 branded searches, while Rinnai had 2,400. Mitsubishi Heavy Industries made up 5.4% of all air conditioner brand searches we track, and Rinnai accounted for 3.6%. When we asked ChatGPT and Google AI Overviews about air conditioner brands, Mitsubishi Heavy Industries appeared in three of the five answers and Rinnai in one. Mitsubishi Heavy Industries was mentioned before Rinnai in three out of four answers.
Who do people search for more?
Mitsubishi Heavy Industries, about 50% more searches than Rinnai
Who does AI mention more?
Mitsubishi Heavy Industries, mentioned in 3 of 5 answers, Rinnai in 1
Who does AI recommend more?
Mitsubishi Heavy Industries, named ahead of Rinnai in 3 of 4 answers
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Top air conditioner brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Mitsubishi Heavy Industries was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Rinnai was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Mitsubishi Heavy Industries was listed before Rinnai in three out of four answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Fujitsu5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Daikin4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Mitsubishi Electric3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Mitsubishi Heavy Industries3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Panasonic2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Rinnai1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Actron Air0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Midea0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Gree0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Haier0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about air conditioner brands
5 answers
Asked ChatGPT
“Which air conditioner brand should I buy in Australia?”
Asked ChatGPT
“What are the best split system air conditioners in Australia?”
Asked ChatGPT
“What is the most reliable air conditioner brand?”
Searched Google, AI Overview
“air conditioner”
Searched Google, AI Overview
“split system air conditioner”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in Australia on October 26, 2026.
Is Mitsubishi Heavy Industries or Rinnai more popular in search?
This chart shows how often people search Google for Mitsubishi Heavy Industries and Rinnai by name. Each line represents a brand's share of searches for all 15 air conditioner brands we track, month by month, from searches in Australia.
Share of searches by month for Mitsubishi Heavy Industries, Rinnai. The figures are in the table below the chart.
View monthly share of searches table
| Month | Daikin | Mitsubishi Electric | Fujitsu | Actron Air | Midea | Mitsubishi Heavy Industries | Gree | Panasonic | Rinnai | Haier | Kelvinator | Teco | Carrier | LG | Samsung |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 27.5% | 18.8% | 9.7% | 7.6% | 4.3% | 6.5% | 4.3% | 4.3% | 2.8% | 2.4% | 2.8% | 2.8% | 1.9% | 1.9% | 2.4% |
| Nov 2025 | 28.3% | 19.9% | 10.7% | 6.9% | 3.9% | 5.8% | 3.9% | 4.8% | 3.2% | 1.7% | 2.6% | 2.6% | 1.7% | 1.7% | 2.6% |
| Dec 2025 | 30.1% | 18.3% | 9.8% | 8.3% | 3.6% | 4.4% | 3.6% | 4.4% | 3.6% | 1.9% | 2.9% | 2.9% | 1.9% | 1.9% | 2.4% |
| Jan 2026 | 27.1% | 19.1% | 10.2% | 8.6% | 3.7% | 4.6% | 3.7% | 4.6% | 3.7% | 2% | 3% | 3% | 2.5% | 1.7% | 2.5% |
| Feb 2026 | 29% | 17.4% | 9% | 9.2% | 4% | 4.9% | 4% | 4.9% | 3.2% | 2.1% | 2.7% | 2.7% | 2.7% | 1.8% | 2.7% |
| Mar 2026 | 30.1% | 15.5% | 9.3% | 8.9% | 4.1% | 5.1% | 4.1% | 4.1% | 2.7% | 2.3% | 2.7% | 2.3% | 5.1% | 1.8% | 2.3% |
| Apr 2026 | 32.7% | 16.8% | 10.1% | 7.8% | 4.5% | 4.5% | 3.5% | 4.5% | 3% | 2.4% | 2.4% | 1.6% | 2.4% | 1.9% | 1.9% |
| May 2026 | 31.3% | 18.4% | 9% | 8.7% | 4.9% | 4.9% | 4% | 4% | 2.7% | 1.7% | 2.2% | 1.7% | 2.2% | 2.2% | 2.2% |
| Jun 2026 | 32.9% | 16.8% | 9.5% | 8.6% | 5.2% | 5.2% | 3.4% | 4.2% | 2.7% | 1.9% | 1.9% | 1.4% | 2.3% | 1.9% | 2.3% |
| Jul 2026 | 30.7% | 17.8% | 8.2% | 8.7% | 6.7% | 5.5% | 3.6% | 3.6% | 2.9% | 2% | 2.4% | 1.5% | 2.4% | 2% | 2% |
| Aug 2026 | 32.9% | 16.6% | 8.8% | 9% | 5.9% | 4.7% | 3.9% | 3.9% | 2.6% | 2.1% | 2.1% | 1.6% | 2.1% | 1.6% | 2.1% |
| Sep 2026 | 28% | 17.5% | 9.9% | 8.2% | 6.6% | 5.4% | 4.3% | 3.6% | 3.6% | 2.4% | 2.4% | 2.4% | 1.9% | 1.9% | 1.9% |
How has the Mitsubishi Heavy Industries and Rinnai comparison changed over the last 12 months?
3 findings
- Mitsubishi Heavy Industries was ahead of Rinnai in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Mitsubishi Heavy Industries’ share of searches among air conditioner brands in Australia moved from 6.5% to 5.4%, and its estimated monthly branded searches moved from 6.6K to 3.6K.
- Across the 12 months ending September 2026, Rinnai’s share of searches among air conditioner brands in Australia moved from 2.8% to 3.6%, and its estimated monthly branded searches moved from 2.9K to 2.4K.
How did search popularity change for Australia air conditioner brands in September 2026?
2 changes

In September 2026, Rinnai gained share of searches among air conditioner brands in Australia, from 2.6% to 3.6%.

In September 2026, Mitsubishi Heavy Industries gained share of searches among air conditioner brands in Australia, from 4.7% to 5.4%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Mitsubishi Heavy Industries’ 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.
Mitsubishi Heavy Industries
1 branded search term
- mitsubishi heavy industries air conditioner
Rinnai
1 branded search term
- rinnai air conditioner
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