Make use of natural light as much as possible.
It takes two 60-watt incandescent bulbs or four 40-watt incandescent bulbs to provide as much light as a single 100-watt CFL bulb.
Purchase only 5-Star EE televisions. Turn off all plugs when not in use, and unplug if possible. Alternatively purchase a surge protector which will allow you to shut off power to all entertainment electronics with one click.
Purchase sustainably-made furniture manufactured from locally-sourced materials with cooling properties. Materials like bamboo and teak are sturdy, long-lasting and cooling.