Casement windows were first popular during the Tudor ... A sash window that has been fully raised still has solid glass covering the top half, reducing the amount of airflow available.

Windows are among the most expensive things you’ll ever have to buy for your house—costing approximately anywhere from $450 to $1,400 per window, which can obviously add up fast. You also have to ...

Here are our picks of the best energy-efficient door and window ... Jeld Wen makes windows and doors, including single-hung, bay, and casement windows, and patio, interior, and exterior doors.