LEDs
LEDs (light emitting diodes) are small in size, but can be grouped together for higher intensity applications. They’re better at casting light in a single direction than other forms of lighting. LEDs use up to 80% less energy and last about 25 times longer than incandescent lighting. LEDs emit very little heat. In comparison, incandescent bulbs release 90% of their energy as heat and CFLs release about 80% of their energy as heat. Common uses for LED lighting include industrial and commercial lights, under-cabinet lights, recessed-down lights, holiday lights, and to light outdoor areas such as gardens and walkways.
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Energy-Saving Halogen Incandescent
Energy-saving, halogen incandescent bulbs have a capsule inside that holds gas around a filament to increase bulb efficiency. This type of incandescent bulb is about 25% more efficient and can last up to three times longer than traditional incandescent bulbs.