These SYLVANIA halogen light bulbs can be used in both dimmer and standard single switches, and they are the equivalent brightness of traditional 60-watt incandescent bulbs. They’re the most ...

They're almost as energy efficient as LEDs but take at least 30 seconds to reach full brightness, don't last as long, and most aren't dimmable. Halogen bulbs, a type of incandescent, remain an ...

Halogen Bulbs Halogen, ... Dimmable Bulbs must be dimmable if you’re using with dimmers. Most LEDs we tested are; most CFLs are not. Our Ratings indicate which bulbs are dimmable.