HouseSymptoms field intelligence
Symptoms
Start with the visible, audible, physical or measurable sign—not the name of the fault.
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Musty bedroom in the morning
Odor is strongest after sleeping with the room closed.
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Window condensation every morning
Interior glass becomes wet after overnight occupancy.
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CO₂ rises high overnight
Logged carbon dioxide increases during bedroom occupancy.
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Room becomes stuffy with the door closed
Comfort and air quality worsen when the door is shut.
