Why do you restrict incandescent light bulbs to only 40W? emberlight support April 21, 2017 02:20 Follow Incandescent light bulbs heat up so much that they can damage the electronics that are in emberlight. Have more questions? Submit a request 2 Comments Yaz Rabadi April 20, 2016 13:38 Are there any watt maximums for Halogen, LED and CFL bulbs? emberlight support April 20, 2016 21:35 Halogens will have the same restriction as incandescent. We haven't seen the same temperature issues for LEDs and CFLs. Please sign in to leave a comment.