Comparison of Comfort Performance Criteria and Sensing Approach …
385
3 Conclusions
The need for clarifying the type of occupancy indoors is clear, as the variance of
the activation hours of the electrical appliances and/or shading can reach a difference of ~13% generating a much larger quantity of cycles that could reduce the
life expectancy of the building systems. Moreover, the hours of comfort have a well
significant difference when considering one range or the other, for instance, for occupants wearing glasses the number of hours in which no intervention was required was
~15%; meanwhile for the established benchmark (i.e., between 300 and 1000 lx),
it was ~27%. In terms of cycles, it is clear how the number of activations varies
from one occupancy type to the other, given what is shown in Fig. 1b. For summer,
the amount of cycles is reduced as they are mainly ON; meanwhile for the winter, a
higher variance is noted due to lower daylighting availability and the perpendicularity
of the light influx.
Further studies are foreseen to establish a more reliable visual comfort range
for the horizontal illuminance that would allow to improve the building design.
Additional surveys on diverse occupant samples are expected to assess different
influential physical features.
Standards and Laws
American Society of Heating, R. and A. C. E. (ASHRAE). (2013). ASHRAE Standard 55-2013
Thermal Environmental Conditions for Human Occupancy. Ashrae, 2004.
Council, US Green Building. LEED v4 for building design and construction. USGBC Inc. (2014).
References
Belafi, Z., Hong, T., & Reith, A. (2017). Smart building management versus intuitive human control—Lessons learnt from an office building in Hungary. Building Simulation, 10(6), 811–828.
Gunay, H. B., O’Brien, W., Beausoleil-Morrison, I., & Huchuk, B. (2014). On adaptive occupantlearning window blind and lighting controls. Building Research and Information, 42(6), 739–756.
Langevin, J., Gurian, P. L., & Wen, J. (2015). Tracking the human-building interaction: A longitudinal field study of occupant behavior in air-conditioned offices. Journal of Environmental
Psychology, 42, 94–115.
Masoso, O. T., & Grobler, L. J. (2010). The dark side of occupants’ behaviour on building energy
use. Energy and Buildings, 42(2), 173–177.
Turner, P. L., & Mainster, M. A. (2008). Circadian photoreception: Ageing and the eye’s important
role in systemic health. British Journal of Ophthalmology, 92(11), 1439–1444.
Ward, G., & Shakespeare, R. (1998). Rendering with radiance: The art and science of lighting
visualization. Morgan Kaufman.
385
3 Conclusions
The need for clarifying the type of occupancy indoors is clear, as the variance of
the activation hours of the electrical appliances and/or shading can reach a difference of ~13% generating a much larger quantity of cycles that could reduce the
life expectancy of the building systems. Moreover, the hours of comfort have a well
significant difference when considering one range or the other, for instance, for occupants wearing glasses the number of hours in which no intervention was required was
~15%; meanwhile for the established benchmark (i.e., between 300 and 1000 lx),
it was ~27%. In terms of cycles, it is clear how the number of activations varies
from one occupancy type to the other, given what is shown in Fig. 1b. For summer,
the amount of cycles is reduced as they are mainly ON; meanwhile for the winter, a
higher variance is noted due to lower daylighting availability and the perpendicularity
of the light influx.
Further studies are foreseen to establish a more reliable visual comfort range
for the horizontal illuminance that would allow to improve the building design.
Additional surveys on diverse occupant samples are expected to assess different
influential physical features.
Standards and Laws
American Society of Heating, R. and A. C. E. (ASHRAE). (2013). ASHRAE Standard 55-2013
Thermal Environmental Conditions for Human Occupancy. Ashrae, 2004.
Council, US Green Building. LEED v4 for building design and construction. USGBC Inc. (2014).
References
Belafi, Z., Hong, T., & Reith, A. (2017). Smart building management versus intuitive human control—Lessons learnt from an office building in Hungary. Building Simulation, 10(6), 811–828.
Gunay, H. B., O’Brien, W., Beausoleil-Morrison, I., & Huchuk, B. (2014). On adaptive occupantlearning window blind and lighting controls. Building Research and Information, 42(6), 739–756.
Langevin, J., Gurian, P. L., & Wen, J. (2015). Tracking the human-building interaction: A longitudinal field study of occupant behavior in air-conditioned offices. Journal of Environmental
Psychology, 42, 94–115.
Masoso, O. T., & Grobler, L. J. (2010). The dark side of occupants’ behaviour on building energy
use. Energy and Buildings, 42(2), 173–177.
Turner, P. L., & Mainster, M. A. (2008). Circadian photoreception: Ageing and the eye’s important
role in systemic health. British Journal of Ophthalmology, 92(11), 1439–1444.
Ward, G., & Shakespeare, R. (1998). Rendering with radiance: The art and science of lighting
visualization. Morgan Kaufman.