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Waseit

Waseit study · US · collected 2026-09-13

Which HVAC contractors do AI assistants recommend in Philadelphia?

We asked ChatGPT and Gemini 4 real buying questions about HVAC contractors in Philadelphia - the way customers actually ask. 10 names came back for this trade in this city.

No name here is cited by more than one assistant: each of the 10 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.B&L Heating and Coolingcited 1 time · by ChatGPT
  • 2.Horizon Servicescited 1 time · by ChatGPT
  • 3.Sears Home Servicescited 1 time · by ChatGPT
  • 4.H & H Heating and Air Conditioningcited 1 time · by ChatGPT
  • 5.Wright Mechanical Servicescited 1 time · by ChatGPT
  • 6.All Weather Heating & Coolingcited 1 time · by ChatGPT
  • 7.Hometown Heating and Air Conditioningcited 1 time · by ChatGPT
  • 8.M. J. McGowan, Inccited 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 Philadelphia

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