1.4.6 Turn off lighting in unused rooms or zones

1.4.6 Turn off lighting in unused rooms or zones


If there are not presence detectors, the light should be turned off when a room is not used. This measure has to be specially considered in those spaces usually closed during weekends by assuring that any unnecessary light is switched on.


  • It is a free-of-charge measure that involves relevant savings (up to 20%)


  • This measure is narrowly related to the collaboration from the occupants or users, so providing education and training measures should be considered

Economic assessment

The cost is zero. Signals which could be placed to educate the users, have trifling costs. It reduces electricity costs.

Image gallery


Environment or playable world:

  • Residential

  • Academic

  • Offices

  • All

Carried out by:

  • Public building users

  • Owners

  • Operators

  • All

Reduce consumption of:

  • Heating

  • Cooling

  • DHW

  • Lighting

  • Electric devices

Type of driver:

  • Physical environmental

  • Contextual

  • Psychological

  • Physiological

  • Social

Time framework:

  • Short term
  • Long term

Type of measure:

  • Envelope
  • HVAC
  • DHW
  • Lighting
  • Electrical devices
  • Other
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