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Waseit

Waseit study · US · collected 2026-09-13

Which HVAC contractors do AI assistants recommend in Denver?

We asked ChatGPT and Gemini 4 real buying questions about HVAC contractors in Denver - the way customers actually ask. 19 names came back for this trade in this city.

1 name is cited by more than one assistant, out of 19 found. The leader takes 18% of citations - the top spot is held, but the rest is contested.

The names the assistants cite most

  • 1.Applewood Plumbing Heating & Electriccited 2 times · by ChatGPT, Gemini
  • 2.Boulder Heating and Air Conditioningcited 1 time · by ChatGPT
  • 3.Comfort Air Heating & Coolingcited 1 time · by ChatGPT
  • 4.A1 Heating & Air Conditioningcited 1 time · by ChatGPT
  • 5.Horizon Servicescited 1 time · by ChatGPT
  • 6.EnviroTech Heating and Coolingcited 1 time · by ChatGPT
  • 7.Mile High Heating & Air Conditioningcited 1 time · by ChatGPT
  • 8.Blue Sky Plumbing & Heatingcited 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 Denver

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