1.4.1 Change to task lighting method when required

1.4.1 Change to task lighting method when required


The measure proposes the installation of task lighting to give the possibility of concentrating light only in working areas or, in general, where and when it is needed through the combination with general lighting.


  • In offices, energy savings of around 22% compared to fixed general lighting solution can be achieved, by using combination of general and task lighting

  • It influences positively in the productivity of workers

  • Individual workers can control their lighting

  • Increase indoor environmental quality


  • Possibility of glare if there is difference of luminosity between zones

  • Risk of visual fatigue increases

  • User acceptance

Economic assessment

Initial investment: medium. The total cost could include the costs of: installation, wiring, lamps and luminaire. It could be convenient to reduce the power of ambient lights to adapt them to the new configuration.

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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