12 complete symptom paths42 guides and 60 questions in each1,460 Grade A articlesOne searchable, connected knowledge library140 official sourcesEvidence context with explicit limits
Deterministic building intelligence

Follow the clues.
Reduce the uncertainty.

HouseSymptoms ranks likely causes from timing, location, weather and distinguishing evidence. The score is a transparent fit index—not a remote diagnosis.

21 diagnostic profiles31 failure fingerprints32 visual patterns
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Active profile

Clicking or ticking pipes

Separate normal thermal movement from water hammer, trapped air and loose support by timing and sound character.

Hear0evidence clues active
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When does the sound occur?

The operating event is the strongest separator.

Transparent cause ranking

What currently fits—and why

Fit index compares this profile’s evidence. It is not a probability and does not prove a hidden condition.

01
44fit index

Pipe length changes with temperature and rubs or releases at supports.

Evidence supporting it

No strong confirming clue has been added yet.

Evidence weakening it

No direct contradiction is active yet.

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