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LED Lighting
Light-emitting diode (LED) light bulbs are one of the most energy-efficient lighting options on the market. LED bulbs last longer, produce less heat, and use far less energy than traditional incandescent lights. 

Replacing old bulbs with LEDs in your home can lower your home's energy use. Look for the ENERGY STAR label on your bulbs. ENERGY STAR-rated bulbs are guaranteed to be high-quality and energy-efficient. 
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Federal, local, or utility programs may offer incentives for LED bulbs.