Humid indoor air moves through cracks and penetrations into colder assemblies.
Evidence supporting it
No strong confirming clue has been added yet.
Evidence weakening it
No direct contradiction is active yet.
Deterministic building intelligence
Follow the clues.
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
Active regional intelligenceGlobal baselineNo regional layer is active. Results use the global knowledge graph.
No terminology overrideSelect a regional pack to localize building language.
Open regional pack →Active profile
Cold floor near an exterior wall
Separate perimeter air leakage, insulation voids and normal thermal bridging from damp or structural problems.
Feel0evidence clues active
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.
A gap or compressed area creates a repeatable cold surface.
Evidence supporting it
No strong confirming clue has been added yet.
Evidence weakening it
No direct contradiction is active yet.
A conductive or poorly insulated path produces a colder interior surface.
Evidence supporting it
No strong confirming clue has been added yet.
Evidence weakening it
No direct contradiction is active yet.
Liquid water moves through fine pores from a wet source toward a drying surface.
Evidence supporting it
No strong confirming clue has been added yet.
Evidence weakening it
No direct contradiction is active yet.
Other questions still available
When is it strongest?
Wind and outdoor temperature separate leakage from conduction.
