"Martik" wrote in message
news:mYBDd.54150$dv1.12883@edtnps89...
I have a fixed wood frame window with the glass secured by flat 3/4" strips
of wood on the inside. To prevent condensate forming between the two panes,
do I need to air seal the two panes or just secure with a second set of
wood strips?

that's why they are sealed in commercial windows. sometimes they have a
silicate material in them, or are filled with dry argon.