This helps to
[ame="
https://www.youtube.com/watch?v=lsvBvGAMXmc&feature=player_embedded"]YouTube - How to prevent The Red Ring Of Death[/ame]
1.Place your Xbox at least 20 cm far from any walls.
2.Put it in such an area where fresh air can pass easily.
3.Consider your playing limitations. Over use or excessive playing can increase overheating problem. Even the life of the console normally depends upon how frequent you use it.
4.Option: use extra fan in case the area where you have kept your console does not have any ventilation, it may help the console to cool gradually avoiding overheat. These fans can be purchased for 30 dollars which is not expensive compared to any repairing charges.
5.Last but not the least, turn the console off when not in use. It will not only avoid heat but also saves electricity.
6. If you don't have the original box use something else similar to this.