The best LED light bulbs—such as the ones you’ll find below—are eco-friendly, long-lasting, and come in all sorts of color temperatures. Best overall: Feit Electric A19 LED Light Bulb ...

LED bulbs also have an LED driver, which is responsible for regulating the flow of electricity to the bulb. If the LED driver is faulty or you're using a low-quality LED bulb, a small amount of ...