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Waseit

Waseit study · US · collected 2026-09-13

Which HVAC contractors do AI assistants recommend in San Diego?

We asked ChatGPT and Gemini 4 real buying questions about HVAC contractors in San Diego - the way customers actually ask. 16 names came back for this trade in this city.

No name here is cited by more than one assistant: each of the 16 businesses found comes from a single engine. This is a field without consensus - being cited by one says nothing about the others.

The names the assistants cite most

  • 1.Air Conditioning San Diegocited 1 time · by ChatGPT
  • 2.Horizon Mechanicalcited 1 time · by ChatGPT
  • 3.Aire Serv of San Diegocited 1 time · by ChatGPT
  • 4.B&J Heating and Air Conditioningcited 1 time · by ChatGPT
  • 5.Pacific Heating & Air Conditioningcited 1 time · by ChatGPT
  • 6.Crown Heating & Air Conditioningcited 1 time · by ChatGPT
  • 7.SD HVACcited 1 time · by ChatGPT
  • 8.Noble HVACcited 1 time · by ChatGPT

Counts are citations across our sampled answers for this trade and city, collected 2026-09-13 via the assistants' APIs. Answers vary between runs - across the whole study, assistants agreed with each other on only 3% of names. A snapshot, honestly labeled, not a permanent ranking.

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HVAC contractors in other cities

Other trades in San Diego

Full dataset and method: the 2026 US study (872 answers, 218 trade×city cells) · our methodology