The latches on most double hung window locks are no match for a burglar with a pry bar. Pin locks are an easy solution. To install one, all you have to do is drill a hole. If you want to lock the ...

The ordinary sash latches that act as double-hung window locks may help squeeze out drafts, but they offer little protection ...

They’re usually more airtight than double-hung windows because the sash locks tightly against the frame when closed. But window air conditioners can’t be installed in casement windows.