/, All, All (carried), Contextual, Lighting, Lighting (measure), Long term, Offices, Physical environmental, Physiological, Psychological, Social/2.4.15 Reduce lamps wattage or illuminance where there is over-illumination

2.4.15 Reduce lamps wattage or illuminance where there is over-illumination

2.4.15 Reduce lamps wattage or illuminance where there is over-illumination

Description

The measure consists in reducing the illuminance (and consequently wattage) levels in areas where, after the measuring of illuminance levels, result that lighting is higher than the maximum values established for the developed activity in that area.

Benefits

  • Energy savings in lighting depending on how much the over-illumination is

  • Over-illumination can cause headaches, fatigue, medically defined stress and anxiety

  • Increase workers productivity

  • Increase visual comfort

Limitations

  • A  preliminary lighting study is necessary

Economic assessment

Initial investment: medium. It depends mainly on the type of lamps that are installed and on the quantity of lamps which have to be replaced. If this measure is combined with the replacement of inefficient lights for efficient ones is very profitable.

References and best practices

Image gallery

CHARACTERIZATION

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
2017-12-01T13:13:24+00:00