1.4.5 Reduce the number of luminaires

1.4.5 Reduce the number of luminaires


The measure consists in removing luminaires in spaces where the light levels are higher than the acceptable working lighting level and the entire luminaire could be removed.


  • The number of luminaires can be reduced and thus their associated energy consumption

  • The visual comfort will increase


  • In existing installations, the rearrangement can lead to considerable investment costs.

  • A preliminary daylight study could be necessary

Economic assessment

Initial investment: low. The cost depends mainly on how difficult removing the luminaires and rearrange the lighting installation will be. It reduces maintenance costs.

References and best practices

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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