AI Share of Voice Rankings
Averaged across all 3 queries. Sentiment reflects the most positive framing seen per provider across queries.
| # | Brand | Avg AI SoV | Gemini | Claude | ChatGPT | Perplexity |
|---|---|---|---|---|---|---|
| 1 | Vaillant | 78% | — | ·Mentioned | ·Mentioned | ·Mentioned |
| 2 | Grant UK | 78% | — | ·Mentioned | ·Mentioned | ·Mentioned |
| 3 | Daikin | 67% | — | ·Mentioned | ·Mentioned | ·Mentioned |
| 4 | Samsung | 67% | — | ·Mentioned | ·Mentioned | ·Mentioned |
| 5 | Mitsubishi Electric | 67% | — | ·Mentioned | ·Mentioned | ·Mentioned |
| 6 | Octopus Energy | 44% | — | ·Mentioned | ·Mentioned | ·Mentioned |
| 7 | Kensa | 22% | — | ·Mentioned | ·Mentioned | —Not mentioned |
| 8 | Worcester Bosch | 0% | — | —Not mentioned | —Not mentioned | —Not mentioned |
✓Recommended·Mentioned⚠With caveats—Not mentioned
Queries asked to each AI model
We sent these exact questions to Gemini, Claude, ChatGPT, Perplexity — no brand context included, so responses are unbiased.
- 1“What are the best heat pump installers in the UK?”
- 2“Which heat pump brand should I choose for my UK home?”
- 3“What is the best air source heat pump available in the UK?”
Per-provider breakdown
How each AI model ranked brands individually.
Gemini
No brands surfaced.
Claude
Mentioned
VaillantGrant UKDaikinSamsungMitsubishi ElectricOctopus EnergyKensa
ChatGPT
Mentioned
VaillantGrant UKDaikinSamsungMitsubishi ElectricOctopus EnergyKensa
Perplexity
Mentioned
VaillantGrant UKDaikinSamsungMitsubishi ElectricOctopus Energy
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All months
October 2026