Are tankless water heater efficiency benefits actually worth the upgrade cost on a starter home build
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Are tankless water heater efficiency benefits actually worth the upgrade cost on a starter home build
2 real searches · 1 real-search pass
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 (2)
Classes come from the query-classifier (a local Laya model). 1 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
U.S. Department of Energy tankless water heater energy savings 8% 34% demand water heaters cost installation 2025 Google ↗
Virginia natural gas electricity residential rates 2026 water heating cost tankless vs storage Google ↗
- Save More with ENERGY STAR Gas Tankless Water Heaters · energystar.gov
- Technical Bulletin: Demand Water Heaters · energystar.gov
- Purchasing Energy-Efficient Residential Water Heaters · energy.gov
- Save Money with an Energy-Efficient Water Heater · consumerreports.org
- Measure Guideline: Transitioning to a Tankless Water Heater · www1.eere.energy.gov
- Gas-Fired Tankless Water Heaters · basc.pnnl.gov
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
U.S. Department of Energy tankless water heater energy savings 8% 34% demand water heaters cost installation 2025 OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
Virginia natural gas electricity residential rates 2026 water heating cost tankless vs storage OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 |