What LLMs cite
Best commercial HVAC contractors in Seattle for scheduled maintenance contracts
From recent prompt runs · United States · Updated November 2, 2026
GEOGrow tested this high-intent customer question across ChatGPT, Gemini, Perplexity, and Claude. Rankings below show which companies appeared most often in those responses — not who is independently the best.
Top brand
Fischer Heating & Air Conditioning
Leads across all key metrics
AI engines mentioning
3 of 4
Fischer Heating & Air Conditioning appears in 3 of 4 AI engines
#1 recommendations
1
Fischer Heating & Air Conditioning was the #1 recommendation once.
AI answer share
75%
Fischer Heating & Air Conditioning appears in 75% of answers in our tests
Top AI Answers
Which companies appear most often in AI responses?
Updated November 2, 2026
| # | Company | AI engines mentioning | #1 recommendations | AI answer share |
|---|---|---|---|---|
| 1 | Fischer Heating & Air Conditioning Claim your company | 3 of 4 | 1 | 75% |
| 2 | MacDonald-Miller Facility Solutions Claim | 2 of 4 | 1 | 50% |
| 3 | McKinstry Claim | 2 of 4 | 1 | 50% |
| 4 | PSF Mechanical Claim | 1 of 4 | 0 | 25% |
| 5 | Day & Nite Claim | 1 of 4 | 0 | 25% |
| 6 | Hermanson Company Claim | 2 of 4 | 0 | 50% |
| 7 | Enviromech Claim | 1 of 4 | 0 | 25% |
| 8 | Day & Nite Plumbing & Heating Claim | 2 of 4 | 0 | 50% |
What Each AI Recommended
Recent answer snapshots by engine.
ChatGPT
- 1. MacDonald-Miller Facility Solutions
- 2. PSF Mechanical
- 3. McKinstry
- 4. Holaday-Parks
- 5. Hermanson Company
- 6. Air Systems Engineering
+15 more in this answer
Gemini
- 1. McKinstry
- 2. MacDonald-Miller Facility Solutions
- 3. Hermanson Company
- 4. Day & Nite Plumbing & Heating
- 5. University Mechanical Contractors (UMC)
- 6. SeaTown Electric Plumbing Heating and Air
+15 more in this answer
Perplexity
Claude
No listed companies extracted from this model’s response.
What LLMs cite
Sources cited in the most recent prompt runs for this question. The mix varies by engine.
- reddit.com HVAC contractors recommendations please : r/SeattleWA
- dayandnite.net Commercial 24 hour HVAC Services in Seattle | Day & Nite
- yelp.com TOP 10 BEST Commercial Hvac in Seattle, WA
- essentialheatandac.com HVAC Contractor Seattle WA - Heating & Air Conditioning ...
- evergreenhomeheatingandenergy.com Seattle Heat Pump & HVAC Experts | Evergreen Home Heating
- accoes.com ACCO Engineered Systems
- airsystemsengineering.com Air Systems Engineering
- atsautomation.com ATS Automation
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- Who does commercial air conditioning installation for small businesses in Seattle? Fischer Heating & Air Conditioning
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Markets move fast once AI patterns set in.
Who's Winning in AI?
AI Leaderboard · Based on this buyer question
Fischer Heating & Air Conditioning currently leads this conversation. AI visibility leadership is valuable — but competitive markets shift fast.
Fischer Heating & Air Conditioning currently leads this conversation.
- #1
- #2
- #3 McKinstry 50%
- #4 PSF Mechanical 25%
- #5 Day & Nite 25%
- #6
- #7 Enviromech 25%
- #8
Get ahead of the competition
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How We Measure AI Answer Share
AI Answer Tracker by GEOGrow measures how companies appear when high-intent customer questions are asked across supported AI platforms. Results are observational snapshots and can vary by model, location, personalization, source availability, and date.
AI Answer Share is weighted recommendation appearances divided by all possible recommendation opportunities. Rankings shown here represent the responses collected during the stated research period and are not endorsements by GEOGrow. Method: 4 independent AI observations.
- Question tested
- Best commercial HVAC contractors in Seattle for scheduled maintenance contracts
- Market
- United States
- AI engines
- ChatGPT, Gemini, Perplexity, and Claude
- Research date
- November 2, 2026