Who is actually recommended for HVAC in Knoxville?

1. 1
   AA-Air Company Claim this listingRecommended on 5 of 6: #3 in the map pack; named by ChatGPT, Perplexity, Google Gemini, Claude. 4.9 stars, 833 reviews.

   Google MapsGoogle AI OverviewChatGPTPerplexityGoogle GeminiClaude
2. 2
   Hiller Plumbing, Heating, Cooling & Electrical Claim this listingRecommended on 3 of 6: #5 on Google Maps; named by ChatGPT, Google Gemini, Claude. 4.9 stars, 5,458 reviews.

   Google MapsGoogle AI OverviewChatGPTPerplexityGoogle GeminiClaude
3. 3
   Chancey & Reynolds, Inc. Claim this listingRecommended on 3 of 6: #1 in the map pack; named by ChatGPT, Perplexity. 4.8 stars, 1,622 reviews.

   Google MapsGoogle AI OverviewChatGPTPerplexityGoogle GeminiClaude
4. 4
   Pioneer Heating, Cooling, Plumbing and Electrical Claim this listingRecommended on 2 of 6: #10 on Google Maps; named by ChatGPT, Claude. 4.8 stars, 5,123 reviews.

   Google MapsGoogle AI OverviewChatGPTPerplexityGoogle GeminiClaude
5. 5
   Aire Serv of Knoxville Claim this listingRecommended on 2 of 6: #2 in the map pack; named by Google Gemini. 4.9 stars, 745 reviews.

   Google MapsGoogle AI OverviewChatGPTPerplexityGoogle GeminiClaude
6. 6
   Gent Heating And Cooling Claim this listingRecommended on 1 of 6: #4 on Google Maps; named by Google Gemini. 4.8 stars, 213 reviews.

   Google MapsGoogle AI OverviewChatGPTPerplexityGoogle GeminiClaude
7. 7
   Chaffee HVAC, Plumbing, & Electrical Claim this listingRecommended on 1 of 6: #7 on Google Maps; named by ChatGPT. 4.9 stars, 1,338 reviews.

   Google MapsGoogle AI OverviewChatGPTPerplexityGoogle GeminiClaude
8. 8
   Heritage AC & Heating Claim this listingRecommended on 0 of 6: #6 on Google Maps; named by none of the AI assistants. 5.0 stars, 2 reviews.

   Google MapsGoogle AI OverviewChatGPTPerplexityGoogle GeminiClaude
9. 9
   East TN Heat & Air LLC Claim this listingRecommended on 0 of 6: #8 on Google Maps; named by none of the AI assistants. 5.0 stars, 203 reviews.

   Google MapsGoogle AI OverviewChatGPTPerplexityGoogle GeminiClaude
10. 10
    J.C.'s Claim this listingRecommended on 0 of 6: #9 on Google Maps; named by none of the AI assistants. 4.8 stars, 45 reviews.

    Google MapsGoogle AI OverviewChatGPTPerplexityGoogle GeminiClaude

Recommended on N of 6 counts a seat in the Google map pack, the Google AI Overview naming the business, and each AI assistant that named it unprompted. Sources that answered on September 14, 2026: Google Maps, Google AI Overview, ChatGPT, Perplexity, Google Gemini, Claude.

What each assistant said

• ChatGPT: AA-Air Company, Hiller Plumbing, Heating, Cooling & Electrical, Chancey & Reynolds, Inc., Pioneer Heating, Cooling, Plumbing and Electrical, Chaffee HVAC, Plumbing, & Electrical
• Claude: AA-Air Company, Hiller Plumbing, Heating, Cooling & Electrical, Pioneer Heating, Cooling, Plumbing and Electrical
• Google Gemini: AA-Air Company, Hiller Plumbing, Heating, Cooling & Electrical, Aire Serv of Knoxville, Gent Heating And Cooling
• Google AI Overview: named no business Google Maps also lists
• Perplexity: AA-Air Company, Chancey & Reynolds, Inc.

How this is measured

Google Maps: the results for "hvac Knoxville, TN" on September 14, 2026, the first twenty. AI assistants: Who are the best HVAC companies in Knoxville, TN? Name specific local businesses you would recommend., put to ChatGPT, Perplexity, Gemini and Claude with web search on, the same day. A business counts as named only when its own distinctive name appears in the answer; the trade and the city never count. Only businesses Google Maps returned can appear, so nothing is invented. Rankings are never sold; claiming a listing changes what a business can show, never where it appears. Full method. Think a measurement is wrong? Dispute it and we re-run it and publish the result.