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Why Is There Condensation Between Window Panes in Baltimore Winter?
What That Fog Between The Panes Usually Means When you see fog trapped inside the window unit, rather than wiped on the surface, that almost always points to seal failure. That seal is what keeps the air or gas layer dry and stable. Interior condensation happens when warm, moist air hits cold glass, and that is a different issue from fog trapped between the panes. If you are seeing this in a rowhouse, townhouse, or older two-story home, the winter freeze-thaw cy