Is this condensation or a leak from the roof? Description in comments : DIYUK(02)

Is this condensation or a leak from the roof? Description in comments : DIYUK(02)

Image gallery: Condensation Leak

How To Fix Condensation Leak In Furnace at Christy Calvin blog condensate leak : hvacadvice Is this condensation or a leak from the roof? Description in comments : DIYUK