Moisture generation exceeds removal for the current temperature and air exchange.
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.
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Condensation on or inside windows
Separate normal exterior dew, indoor humidity, cold frames and failed insulated glazing by where the moisture appears.
See0evidence 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.
The sealed cavity between panes no longer remains dry.
Evidence supporting it
No strong confirming clue has been added yet.
Evidence weakening it
No direct contradiction is active yet.
Framing or a conductive element lowers the interior surface temperature in a repeated pattern.
Evidence supporting it
No strong confirming clue has been added yet.
Evidence weakening it
No direct contradiction is active yet.
Moist indoor air reaches a surface below its dew point and deposits liquid water.
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 worst?
Occupancy and outdoor temperature change surface temperature and vapor load.
How widespread is it?
Whole-house patterns differ from a single failed unit.
