Ducts dripping

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  #1  
Old 09-29-16, 12:11 AM
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Ducts dripping

My ducts are getting soaked and dripping on the insulation in the ceiling. In 9 years nothing has changed in the house but this issue with the ducts getting wet just turned up last month.

The AH in the garage has no leaks, the drip pan amd drain are clear, the attic has and always has had a forced air gable fan.

I inspected the ducts and there are no holes.
The roof is dry and tight.

Where can this condensate be coming from?

Any ideas?
 
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Old 09-29-16, 03:44 AM
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Cold air hitting hot air. Are the ducts insulated themselves? They should be.
 
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Old 09-29-16, 09:47 AM
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The ducts are not galvanized steel they are the fiberglass formed type
 
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