LED lighting is up to 44% more efficient ... "It's definitely better to replace your fluorescent lamps with LEDs rather than replace them with new fluorescent lamps," Keoleian said.

Simply replace the fluorescent lamps and ballasts with LED lamps and drivers. Available from various manufacturers, retrofit ...

An elementary classroom with new LED fixtures featuring selectable color and output ... Since the adoption of T8 lamps and electronic ballasts began 40 years ago, there has been little meaningful ...