Casement windows are our most energy-efficient, ventilating window style. They're the perfect choice above cabinets, counters, or areas where opening and closing require a reach. Just crank them outward and direct the fresh air indoors.
†Exterior of glass only, when activated by sunlight. A study of identical homes comparing Low-E to ordinary dual-pane glass showed a 25% savings on cooling bills, 10% on heating. Savings may vary geographically.