Can I replace my incandescent or halogen bulbs with LED bulbs? Yes, in many cases, you can simply replace your bulbs separately, one by one. ... Furthermore, LEDs can handle all hues of white light, so the warm yellowish light of halogen bulbs is perfectly within reach!

Are LED better than halogen?

LED light bulbs are vastly superior to halogen, lasting over ten times longer while consuming 85% less electricity.

Do you need to change the transformer for LED lights?

They will have a transformer either in the ceiling or light fitting. Some LED bulbs, like the Philips Master LED range, have in-built circuitry that can deal with most (but not all) transformers, so you don't have to change them.