1.5.5 Using the desktop screen in a proper way

1.5.5 Using the desktop screen in a proper way


Choose dark colours for the background images of the desktop screen. On average, a white page needs 74 W to display, while a dark one needs only 59 W (25% less energy).


  • Energy savings of 20% can be achieved with proper training

  • Easy application

  • The benefits are not only in terms of energy savings, but also in vision health


  • Occupant acceptance

Economic assessment

The cost is zero, although it is convenient to train and inform properly employees and users on these issues.

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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