If you buy LED light bulbs, the energy savings over its 50,000-hour life is around $200. For most CFL bulbs, this number is around $50. Most CFL bulbs will last you a couple of years, between 3 to 5 depending on your daily lighting usage. Most LED bulbs will last a lot longer. Conservative estimates for a 50,000-hour bulb put its life between 12 and 14 years.1. Re-Imagined Alessi Light Bulbs: Three designers re-imagined Alessi light bulbs and this was the result. 2. What Are LEDs?: A quick and easy explanation about what LEDs are and why they are so important. You'll find LEDs in lighting, HDTVs, and laptops. 3. Overlamping: This is a strong argument against too many lights in your home. Too much light can be problematic. 4. Philips EnduraLED vs EcoSmart: A quick comparison between Philips and Home Depot's EcoSmart LED light bulbs. 5. Home Depot's EcoSmart LED Bulb: This bulb gives you an example of where the tech was about a year ago. This bulb lasted 25,000 hours and cost $40. This GE EcoSmart LED bulb costs $18 and lasts 50,000 hours.