Category AI Visibility Report
Furnaces AI Visibility Report 2026: Top Brands & Buyer Topics in AI Search
Data updated 2026-08-27 · 30-day window · ChatGPT · Google AI Mode · Google AI Overviews
≈8,795
Est. AI queries / month
10
Buyer topics monitored
10
Brands on the AI shelf
Key insights
- Over the last 30 days, GEOly monitored 10 buyer topics in Furnaces across ChatGPT, Google AI Mode, Google AI Overviews — an estimated 8,795 AI queries per month.
- Rinnai leads the AI shelf with 8.7% of brand mentions, followed by Carrier (5.9%) and Goodman (5.6%). The top three hold 20.2% combined — a shelf that has not consolidated yet, leaving a clear window for challengers.
- The highest-demand topic is “Wall furnaces” (top keyword “gas wall furnaces”, ~9,900 searches/mo).
- AI answers lean on reddit.com most (16.8% of citations) — earning presence on these sources is the shortest path to being recommended.
Brands AI recommends most
Share of brand mentions across AI answers in the last 30 days (Share of Model).
| # | Brand | AI mentions | Share |
|---|---|---|---|
| 1 | Rinnai | 362 | 8.7% |
| 2 | Carrier | 245 | 5.9% |
| 3 | Goodman | 233 | 5.6% |
| 4 | Empire | 230 | 5.5% |
| 5 | Central Boiler | 171 | 4.1% |
| 6 | Trane | 168 | 4% |
| 7 | WoodMaster | 151 | 3.6% |
| 8 | Rheem | 137 | 3.3% |
| 9 | Lennox | 129 | 3.1% |
| 10 | Williams | 128 | 3.1% |
What shoppers ask AI
Buyer topics monitored in this category, with estimated monthly AI queries and the top Google keyword behind each topic.
| Topic | Est. AI queries / mo | Top keyword | Search volume / mo |
|---|---|---|---|
| Wall furnaces | ≈2,995 | gas wall furnaces | 9,900 |
| Outdoor furnaces | ≈2,961 | outdoor forced air wood furnaces | 1,900 |
| Direct vent furnaces | ≈2,839 | direct vent wall furnaces | 1,900 |
| Wood furnaces | — | wood furnace | 5,400 |
| Electric furnaces | — | furnaces electric | 12,100 |
| High efficiency furnaces | — | high efficiency furnaces | 18,100 |
| Oil furnaces | — | oil furnace repair | 9,900 |
| Mobile home furnaces | — | mobile home furnaces | 5,400 |
| Pellet furnaces | — | best pellet furnaces | 3,600 |
| Gas furnaces | — | furnaces gas furnaces | 27,100 |
Sources AI cites in this category
Root domains AI engines cited most when answering category queries in the last 30 days.
| Domain | Citations | Share |
|---|---|---|
| reddit.com | 99 | 16.8% |
| epa.gov | 42 | 7.1% |
| energystar.gov | 38 | 6.5% |
| rinnai.us | 38 | 6.5% |
| centralboiler.com | 37 | 6.3% |
| carrier.com | 34 | 5.8% |
| empirezoneheat.com | 31 | 5.3% |
| woodmaster.com | 30 | 5.1% |
Related category reports
FAQ
Which brands do AI assistants recommend most for furnaces?
Over the last 30 days the top brands by AI mention share are: Rinnai (8.7%), Carrier (5.9%), Goodman (5.6%), Empire (5.5%), Central Boiler (4.1%). Data from GEOly's continuous monitoring across ChatGPT, Google AI Mode, Google AI Overviews.
How many people ask AI about furnaces?
GEOly estimates ~8,795 AI queries per month in this category across 10 buyer topics, led by “Wall furnaces”.
Which sources do AI engines cite for furnaces?
The most-cited domains are: reddit.com, epa.gov, energystar.gov, rinnai.us, centralboiler.com. Building brand presence on these sources is the most direct way to win AI recommendations.
Methodology
GEOly continuously runs category buyer prompts across ChatGPT, Google AI Mode, Google AI Overviews and records which brands are mentioned and which sources are cited. Figures aggregate a 30-day window; AI query volumes are modeled estimates from keyword demand and AI-adoption share. Data: GEOly MCP Server, updated 2026-08-27.
See your brand inside this category
GEOly tracks how ChatGPT, Google AI Mode and Google AI Overviews mention, rank and cite your brand against every competitor above — and what to fix to win the AI shelf.