The progress in industrial and technological areas, which started with the Industrial Revolution, has deteriorated the ecological balance and depleted the natural resources. Sustainability, which initially seemed as a solution within this concept, became an important part of Interior Architecture as in disciplines related to design. The lighting systems of the offices that are the secondary living areas should be evaluated in terms of sustainability as well.
In this paper, the energy savings and loss of the artificial office lighting systems has been calculated according to the ASHRAE/IES standard 90.1Ц20078?1 which are included in the Leadership in Energy and Environmental Design (LEED) certificateТs lighting criteria [1]. The wattage of the artificial lighting systems has been calculated while the systems were in use. The results of these measurements have been compared with lighting wattage and thus the lighting energy savings and loss have been configured. The office has been comparatively analyzed according to LEED criteria. 1. ASHRAE/IES, 2007, Standard 90.1for Energy Standard for Buildings Except Low-Rise Residential Buildings, USA.
2. Kılıçaslan, U.G., 2011, Ayd?nlatma Tasar?m? Kriterlerinin Hastane Mekanlarnda Irdelenmesi, Yuksek Lisans Tezi, MSU Guzel Sanatlar Fakultesi, Istanbul, 159p. (Published)
3. Gordon, G., 2003, Interior Lighting for Designers, ss. 292. John Wiley & Sons, Inc. New Jersey.
4. Yener, A.K., 2008, Binalarda Gun?s?g?ndan Yararlanma Yontemleri, Cagdas Teknikler VIII. Ulusal Tesisat Muhendisligi Kongresi 231 Sempozyum Bildirimi, 11p
5. Pohl, W. and Zimmermann, A., 2003, SynthLight Handbook Artificial Lighting, ss.66. Munich.
6. http://www.morganlovell.co.uk/knowledge/whitepapers/sustainable-office-design-unlocking-performanceand-productivity.
7. Ilıcalı, E. and Somal?, B., 2009, LEED ve BREEAM Uluslararas? Yesil Bina Degerlendirme Sistemlerinin Degerlendirilmesi, ss.1081Ц1082. IX. Ulusal Tesisat Muhendisligi Kongresi, Izmir.
8. http://www.betterbricks.com/graphics/assets/documents/RatingSystem_Final.pdf.
9. Uyan, F. Binalarda Ayd?nlatma Sistemlerinin Surdurulebilirliklerini degerlendirme ilkeleri, 2010, Istanbul.
10. LEED, 2013, Version 4 Reference Guide for Building Design and Construction.
11. Philips, 2012, Lighting for LEED Application Guide for Sustainable Offices, ss.19. New York.
12. http://www.maxpierson.me/2013/08/01/ leed-v4-for-the-lighting-designer/.
13. Bakır, I. The Evaluation of the Office Buildings According To LEED Certificate Lighting Criteria. Yasar University Graduate School of Natural and Applied Sciences Interior Architecture Master Thesis, Izmir, 2015.

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• office
• lighting
• sustainability
• energy efficiency
• LEED criteria