⌂HouseSymptomsHOUSE INTELLIGENCE

12 complete symptom paths42 guides and 60 questions in each 1,460 Grade A articlesOne searchable, connected knowledge library 140 official sourcesEvidence context with explicit limits

Failure Fingerprint

Interior air leakage

Humid indoor air moves through cracks and penetrations into colder assemblies.

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Typical location

Baseboards, floor edges, penetrations and enclosure joints

Timing fingerprint

Windy or cold weather

Visible or audible pattern

Moving draft and localized cold discomfort

Best separating check

Use smoke-free airflow indicators or temperature comparison

Evidence that weakens this cause

Cold surface with no detectable movement

Do not confuse it with

Open a side-by-side comparison

Thermal bridge vs air leakA cold surface and a moving draft can feel similar but require different checks.→