What AI engines actually recommend
for St Louis HVAC
We probed 4 AI engines (ChatGPT, Claude, Perplexity, Gemini) with 10 real customer-search queries about St Louis hvac. 11 unique businesses were named across the answers. Engine coverage (% of queries that returned a specific recommendation): Perplexity 100% · ChatGPT 0% · Claude 0% · Gemini 0%. Most-cited business: Martin Jetco Heating and Air Conditioning Inc (9 citations across 1 engines). Below is the live data — every number is computed from the AI answers shown in the per-query breakdown.
Engine coverage
% of queries where the engine returned a specific business name (not just “search Booking.com” or a refusal).
Top 3 — who wins this market
Most-cited businesses
11 businesses named across 10 queries| Rank | Property | ChatGPT | Claude | Perplexity | Gemini | Total | Score |
|---|---|---|---|---|---|---|---|
| 1 | Martin Jetco Heating and Air Conditioning Inc | · | · | 9 | · | 9 | 100 |
| 2 | Hoffmann Brothers | · | · | 9 | · | 9 | 100 |
| 3 | Scott-Lee Heating Co. | · | · | 6 | · | 6 | 80 |
| 4 | Kirkwood Heating & Air Conditioning | · | · | 5 | · | 5 | 73 |
| 5 | Dole Heating & Air Conditioning & Duct Cleaning | · | · | 5 | · | 5 | 73 |
| 6 | Vogel Heating & Cooling | · | · | 4 | · | 4 | 67 |
| 7 | One Hour Heating & Air Conditioning of St. Louis | · | · | 4 | · | 4 | 67 |
| 8 | Air Comfort Service, Inc. | · | · | 3 | · | 3 | 60 |
| 9 | Global Warming and Cooling LLC | · | · | 3 | · | 3 | 60 |
| 10 | Vitt Heating And Air Conditioning Co Inc. | · | · | 1 | · | 1 | 47 |
| 11 | Design Aire & Comfort System | · | · | 1 | · | 1 | 47 |
Total = sum of citations across all engines × all queries. Score = density-weighted with cross-engine consensus.
Per-query breakdown
click any row to read what each AI actually saidOther"best HVAC company in St Louis"0 engines
Other"emergency AC repair in St Louis same day"0 engines
Other"heat pump installation in St Louis with rebates"0 engines
Other"top rated furnace replacement contractor in St Louis"0 engines
Other"St Louis HVAC maintenance plan recommendations"0 engines
We probe 4 AI engines weekly with 15 hand-curated customer queries per market. The remaining 5 answers (rank, citations, exact engine wording) unlock with Pro $49/mo. The full prompt library is Agency-tier IP — see pricing.
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Data snapshot generated July 6, 2026. Refreshed weekly. findloc.ai is independent — we are not affiliated with OpenAI, Anthropic, Perplexity or Google. AI engine answers shown are quoted verbatim from public API responses and may change between snapshots.