In large rooms, provide switches at convenient locations. This way, occupants will be more inclined to switch lights off when not required.
Different parts of your home require different lighting. Fortunately, there's an energy efficient replacement for almost every old-style bulb out there – from bedside lamps, outdoor floodlights and ceiling downlights through to the candle bulbs in chandeliers.
When choosing the best energy efficient option, keep in mind the type of activities in each room as well as the mood you want to establish. Warmer, slightly dimmed lighting works well in relaxing spaces like living rooms and bedrooms. Higher lighting levels improve contrast are good in areas where we work and read.
Remember that older eyes generally need more light to read and move around the house safely than other, younger, members of the family.
If your particular type of light is not covered in the room-by-room guide, check out the guide to replacement bulbs by light fitting
Details of the types of bulb you currently have are often printed on the bulb or its base.