Storm windows can reduce your heat loss through the windows by 25% to 50%. Storm windows should have weatherstripping at all moveable joints; be made of strong, durable materials; and have interlocking or overlapping joints. Low-e storm windows save even more energy.
As in all aspects of decor, the color of a lamp and its shade will affect the atmosphere and style of a room. Use strongly contrasting colors to make a localized decorative statement.