nilan

Nilan is a term with multiple uses in different contexts. The most widely recognized commercial reference is Nilan A/S, a Danish company that designs and manufactures residential ventilation systems focused on energy efficiency. Based in Denmark, Nilan produces mechanical ventilation units with heat recovery for homes, passive houses, and small commercial buildings, emphasizing controlled indoor air quality and reduced energy loss. The company maintains a global distribution network and positions its products within sustainable building solutions.

Apart from the corporate usage, Nilan also appears as a personal name in parts of South Asia, where it can be used as a given name or a surname. In these regions, the name occurs in various languages and transliterations, reflecting local naming traditions.

Overall, Nilan primarily denotes a Danish ventilation brand and, independently, a personal name used in certain communities. The two uses are not etymologically connected in commonly cited sources, but share the same spelling in English-language contexts.