The Combined Nomenclature (CN), v1:2018
8516 29 91: Electric space-heating and soil-heating apparatus, with built-in fan (excl. storage heating radiators)
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=bdccfab4-a71c-4f32-8b96-d3d9ed56013c