A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Assessment of Energy Impact of Window Technologies for Commercial Buildings
Windows play a significant role in commercial buildings targeting the goal of net zero energy. This report summarizes research methodology and findings in evaluating the energy impact of windows technologies for commercial buildings. The large office prototypical building, chosen from the DOE commercial building benchmarks, was used as the baseline model which met the prescriptive requirements of ASHRAE Standard 90.1-2004. The building simulations were performed with EnergyPlus and TMY3 weather data for five typical US climates to calculate the energy savings potentials of six windows technologies when compared with the ASHRAE 90.1-2004 baseline windows. The six windows cover existing, new, and emerging technologies, including ASHRAE 189.1 baseline windows, triple pane low-e windows, clear and tinted double pane highly insulating low-e windows, electrochromic (EC) windows, and highly insulating EC windows representing the hypothetically feasible optimum windows. The existing stocks based on average commercial windows sales are included in the analysis for benchmarking purposes. A comprehensive set of performance metrics were used to represent the performance of windows on the whole building basis as well as the perimeter zone basis with different orientations. Life cycle cost analysis is beyond the scope of the project. Daylighting benefit with typical shading controls was evaluated. Sensitivity analysis was also conducted to evaluate the impact of key factors, including daylighting controls, shading controls, window area, and internal loads, on energy performance of windows.
Assessment of Energy Impact of Window Technologies for Commercial Buildings
Windows play a significant role in commercial buildings targeting the goal of net zero energy. This report summarizes research methodology and findings in evaluating the energy impact of windows technologies for commercial buildings. The large office prototypical building, chosen from the DOE commercial building benchmarks, was used as the baseline model which met the prescriptive requirements of ASHRAE Standard 90.1-2004. The building simulations were performed with EnergyPlus and TMY3 weather data for five typical US climates to calculate the energy savings potentials of six windows technologies when compared with the ASHRAE 90.1-2004 baseline windows. The six windows cover existing, new, and emerging technologies, including ASHRAE 189.1 baseline windows, triple pane low-e windows, clear and tinted double pane highly insulating low-e windows, electrochromic (EC) windows, and highly insulating EC windows representing the hypothetically feasible optimum windows. The existing stocks based on average commercial windows sales are included in the analysis for benchmarking purposes. A comprehensive set of performance metrics were used to represent the performance of windows on the whole building basis as well as the perimeter zone basis with different orientations. Life cycle cost analysis is beyond the scope of the project. Daylighting benefit with typical shading controls was evaluated. Sensitivity analysis was also conducted to evaluate the impact of key factors, including daylighting controls, shading controls, window area, and internal loads, on energy performance of windows.
Assessment of Energy Impact of Window Technologies for Commercial Buildings
T. Hong (author) / S. Selkowitz (author) / M. Yazdanian (author)
2003
158 pages
Report
No indication
English
Explaining the adoption of energy-efficient technologies in U.S. commercial buildings
| Online Contents | 2009
Explaining the adoption of energy-efficient technologies in U.S. commercial buildings
| Online Contents | 2009
Case study: Energy savings from solar window film in two commercial buildings in Shanghai
| Online Contents | 2012
Integrated Envelope and Lighting Technologies for Commercial Buildings
| British Library Conference Proceedings | 1992