Hitachi vs Trane:Which is more popular?
In September 2026, Trane had more branded searches than Hitachi among heat pump brands worldwide. Trane had about 90,500 branded searches, while Hitachi had 880. Trane made up 5.6% of all heat pump brand searches we track, and Hitachi accounted for 0.05%. When we asked ChatGPT and Google AI Overviews about heat pump brands, Trane appeared in all five answers and Hitachi in none.
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Top heat pump brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Trane appeared in all five answers. Hitachi did not appear in any of the five 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.
Trane5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Carrier5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Mitsubishi Electric4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Bosch4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Daikin2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Panasonic0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Rinnai0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Fujitsu0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Hitachi0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about heat pump brands
5 answers
Asked ChatGPT
“Which heat pump brand should I buy?”
Asked ChatGPT
“What are the best heat pump brands?”
Asked ChatGPT
“What's the best heat pump brand for home heating?”
Searched Google, AI Overview
“heat pump brands”
Searched Google, AI Overview
“best heat pump”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Hitachi or Trane more popular in search?
This chart shows how often people search Google for Hitachi and Trane by name. Each line represents a brand's share of searches for all nine heat pump brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Trane, Hitachi. The figures are in the table below the chart.
View monthly share of searches table
| Month | Panasonic | Daikin | Mitsubishi Electric | Trane | Rinnai | Fujitsu | Bosch | Carrier | Hitachi |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 52.9% | 27.3% | 6.7% | 6.7% | 4.5% | 1.1% | 0.33% | 0.49% | 0.06% |
| Nov 2025 | 56% | 23.9% | 7.1% | 5.9% | 4.8% | 1.4% | 0.35% | 0.43% | 0.06% |
| Dec 2025 | 53.8% | 28% | 5.6% | 5.6% | 4.6% | 1.4% | 0.41% | 0.41% | 0.06% |
| Jan 2026 | 52.2% | 26.9% | 6.6% | 6.6% | 5.4% | 1.3% | 0.39% | 0.59% | 0.08% |
| Feb 2026 | 60.9% | 21.4% | 6.4% | 5.3% | 4.3% | 0.87% | 0.38% | 0.47% | 0.06% |
| Mar 2026 | 51.6% | 29.6% | 7.3% | 5.9% | 4% | 0.85% | 0.29% | 0.44% | 0.05% |
| Apr 2026 | 57.2% | 26.2% | 6.4% | 5.2% | 3.5% | 0.79% | 0.31% | 0.31% | 0.05% |
| May 2026 | 56.3% | 26.6% | 6.5% | 5.3% | 3.6% | 1.1% | 0.26% | 0.32% | 0.04% |
| Jun 2026 | 47.3% | 33.2% | 8.1% | 5.4% | 3.7% | 1.6% | 0.27% | 0.4% | 0.05% |
| Jul 2026 | 50.4% | 30.3% | 7.4% | 6.1% | 3.3% | 1.5% | 0.3% | 0.55% | 0.06% |
| Aug 2026 | 53.6% | 26.9% | 6.6% | 6.6% | 4.4% | 1.1% | 0.26% | 0.39% | 0.05% |
| Sep 2026 | 54.5% | 27.7% | 6.8% | 5.6% | 3.7% | 1.1% | 0.27% | 0.27% | 0.05% |
How has the Hitachi and Trane comparison changed over the last 12 months?
3 findings
- Trane was ahead of Hitachi in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Hitachi’s share of searches among heat pump brands worldwide moved from 0.06% to 0.05%, and its estimated monthly branded searches moved from 1K to 880.
- Across the 12 months ending September 2026, Trane’s share of searches among heat pump brands worldwide moved from 6.7% to 5.6%, and its estimated monthly branded searches moved from 110K to 90.5K.
How did search popularity change for heat pump brands worldwide in September 2026?
2 changes
In September 2026, Trane lost share of searches among heat pump brands worldwide, from 6.6% to 5.6%.
Estimated monthly branded searches for Hitachi worldwide fell 12% over 12 measured months, from 1K to 880 in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Hitachi’s and Trane’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.
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