Those old single-pane windows provide only a thin glass barrier against the elements.

A single-pane window centered the far wall.

On the west side there is a single-pane window under a pent roof next to the porch.

Look up to see how single-pane windows can rob the life from a structure.

Double-pane windows achieve somewhat greater sound damping than single-pane windows.

The newer dining room window matches the three single-pane windows at the end of the adjoining 14- by 26-foot living room.

All the other windows are single-pane double-hung sash windows.

A single-pane window has an r-value of about one.

It has four large single-pane windows arranged in pairs, one window directly above the other, one window per floor.

There was no glass hi the huge, single-pane window, letting in the October wind.