What Are the Signs My Home Has Excess Humidity?

Common signs of excess indoor humidity include condensation on windows, musty odors, mold or mildew growth, sticky or clammy air, and increased allergy symptoms.

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Common signs of poor indoor air quality include increased allergies, excessive dust, persistent odors, humidity problems, and frequent headaches or fatigue. Homes in Austin and San Antonio can also experience seasonal allergens and humidity that affect indoor air.
Poor indoor air quality can be caused by dust, pet dander, mold, chemical pollutants, poor ventilation, humidity, and HVAC systems that circulate airborne contaminants.
You can improve indoor air quality by maintaining your HVAC system, controlling humidity, using high-efficiency air filters, and installing whole-home air purification systems.
Signs your air ducts may need cleaning include excessive dust, worsening allergies, musty odors, reduced airflow, recent renovations, or pest activity in ductwork.
Most HVAC air filters should be replaced every 1 to 3 months, though high-efficiency filters may last 6 to 12 months depending on usage and household conditions.