1.1.5 Periodic and suitable cleaning of windows Description It is important to maintain the windows’ glass clean to allow a good penetration of natural light in the building and to improve their use, avoiding the use of artificial light. Benefits It improves the internal light comfort [...]
1.1.6 Correct use of external solar shading Description In cooling seasons users have to block direct solar radiation by closing solar shadings to avoid internal overheating. In others seasons solar shadings should be opened to take advantage of natural light and, in heating seasons also of solar radiation to increase internal thermal [...]
1.1.7 Correct use of internal solar shading Description Internal solar shadings allow the protection of interior space from direct radiation. The user should close the shading when direct solar radiation is entering the building in cooling seasons, while in heating seasons shadings should be opened to permit that solar radiation and natural [...]
1.1.14 Maintenance of room surfaces Description Rooms cleaned at regular intervals or painted in such a way that they have a high reflection coefficient over a long period are the basis for maintaining the high efficiency of the supplied light. Benefits Energy savings Improve comfort [...]
1.4.1 Change to task lighting method when required Description 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. Benefits In offices, energy [...]
1.4.2 Change to accent lighting when required Description The measure proposes the installation of accent lighting to provide concentrated light on areas with specific requirements of luminosity. Benefits Important energy savings can be achieved since the light is just concentrated where and when is needed Increase [...]
1.4.3 Cleaning and maintenance of lamps and luminaires regularly Description The measure consists in cleaning lamps and luminaires every year with soft moist cotton cloth, soft-bristled anti-static brush, or low-power vacuum cleaner as well as replacing bulb lamp at the end of its lifespan or lenses if they appear yellow. [...]
1.4.4 Reduce the number of lamps Description The measure proposes to remove from each fixture a certain number of lamps depending on the light levels previously measured with a light meter. Lamps will be removed where light levels are higher than the acceptable working levels. Benefits The [...]
1.4.5 Reduce the number of luminaires Description 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. Benefits The number of luminaires can be reduced and thus their associated energy [...]
1.4.6 Turn off lighting in unused rooms or zones Description 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. [...]
