In warm weather, there’s nothing better than opening a double-hung window to let a cooling breeze inside a stuffy room; but when the weather turns cold, you want that window to be tight and keep ...

Dear Jim: I need to upgrade my old wood windows, but I like how the frames look. They don't stay open now and the single-pane glass is not efficient. How can I switch to double-pane glass and tighten ...

While there's no disputing the charm of original sash windows, if you've moved into a period property, due to their potential age, you may find them less energy efficient than other types of windows.