ljushållning
Ljushållning is a Swedish term describing the practice of managing and conserving lighting resources in households and public spaces. Historically, it referred to careful use of candles, oil lamps, and later electric lighting, with the aim of reducing costs and avoiding waste. The term combines ljus (light) with hållning (holding or management) and appears in Swedish domestic manuals and urban regulations from the pre-electric era onward.
In the era before electrification, ljushållning encompassed practical measures such as calibrating the number of lit
With the adoption of electric lighting in the 20th century, the concept broadened toward energy efficiency
In contemporary Swedish usage, ljushållning is often part of historical education, heritage interpretation, and discussions on
See also: energy efficiency, energy conservation, lighting, domestic economy.