What are the cheapest professional-grade listening devices or methods for homeowners to find a slab leak without breaking the concrete?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What are the cheapest professional-grade listening devices or methods for homeowners to find a slab leak without breaking the concrete?
1 real search · 1 real-search pass
homeowner slab leak detection acoustic listening equipment ground microphone limitations professional leak detection cost 2026Google ↗
OBSERVEDReason
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
homeowner slab leak detection acoustic listening equipment ground microphone limitations professional leak detection cost 2026 Google ↗
- PNNL-28885 | Overview of Available Leak Detection Technologies A Summary of Capabilities and Costs July 2019 Megan A. Kilinski Prepared for the U.S. Department of Energy under Contract DE-AC05-76RL01830 · osti.gov
- United States Government Accountability Office · gao.gov
- Acoustic Ground Microphone Technology · undergroundsurveying.com
- What Is a Slab Leak? Signs, Detection, and Repair Cost · restoreadvisor.com
- Leak Detection Tech · pnnl.gov
- Leak Detection Equipment Pros Use (Guide) (2026) · abspipes.com
- Professional water leak detection cost in 2026 · fixitreal.com
- Leak Detection Cost (2026) · plumbingadvisors.com