Misted between panes?
That is inside the sealed unit.
Surface cleaning will not remove condensation trapped between panes. The practical repair is to replace the failed sealed glass unit while retaining a sound frame.
Condensation between panes means the sealed unit has failed. In many cases the glass can be replaced independently, leaving the existing window or door frame in place.


Surface cleaning will not remove condensation trapped between panes. The practical repair is to replace the failed sealed glass unit while retaining a sound frame.
Damaged glazing should be assessed promptly, particularly where the break affects security or leaves sharp edges exposed.
For misted or broken units, a photo and approximate size can help start the quotation conversation before a final measure.