High Humidity in Home
Common Symptoms
Condensation on windows
Clammy or sticky feeling
Mold or mildew growth
Musty odors
Wood swelling or warping
Increased allergy symptoms
Possible Causes
Several factors can contribute to this problem. Understanding the cause helps determine the right solution.
1Oversized AC (short cycling)
2Inadequate ventilation
3AC not running enough
4Coastal climate influence
5Poor building envelope
6Crawlspace moisture
7Leaking pipes or fixtures
What You Can Check First
Before calling a technician, try these simple checks that may resolve the issue.
1
Use hygrometer to measure humidity
2
Run bathroom fans during and after showers
3
Verify AC is sized correctly (not short cycling)
4
Check for plumbing leaks
5
Use portable dehumidifier
When to Call a Professional
Humidity consistently above 60%
Mold growth present
AC system evaluation needed
Whole-home dehumidifier consultation
Ventilation improvement assessment
Experiencing any of these situations?
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