Boer, Jan deJan deBoer2024-05-212024-05-212023-07https://publica.fraunhofer.de/handle/publica/46851510.18777/ieashc-task70-2023-0001This guideline is intended to provide suggestions for accelerating the replacement of old lighting systems, harvestind the "low hanging fruits" and also taking the issue of daylight into account integrally. the lighting should be brought up to date with regard to climate protection, energy souvereignity and economic efficiency in accordance with a high level of user comfort.enreport