Holiday LED lights burn bright and save energy too
switching to LEDs. Compared to incandescent lights, LEDs use significantly less energy, last much longer, and stay cooler, reducing the risk of fire. But LEDs cost a lot more. Here’s a look. You can still buy strings of incandescent holiday lights. They weren’t part of the phase-out of energy-wasting incandescent bulbs. But Energy Star-qualified LED light strings use up to 90 percent less electricity than traditional incandescent bulbs yet produce the same amount of light.