Real ChatGPT answer · index seedfPORafAuI0scompleteHome services and improvement · HVACinformational
Between a gas furnace and a heat pump which one generally lasts longer before needing a full replacement
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Between a gas furnace and a heat pump which one generally lasts longer before needing a full replacement
1 real search · 1 real-search pass
gas furnace vs air source heat pump average lifespan 15 20 years authoritative sourceGoogle ↗
OBSERVEDComparison
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
gas furnace vs air source heat pump average lifespan 15 20 years authoritative source Google ↗
- Pre-Retrofit Assessment of Existing HVAC Systems · basc.pnnl.gov
- How does FEDS infer the remaining life of a piece of equipment? · feds.pnnl.gov