Replace incandescent light bulbs with compact fluorescent light (CFL) bulbs that use 1/4 of the energy for the same amount of light. Lighting represents about 15% of energy use in the home.

• 使用节能灯或节能照明装置。（在开/关的瞬间，耗电最大！所以，最好不随意开/关，也可以延长灯的使用期限。）