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Assessment of the Lighting System in Residential Buildings in District 1, Tehran, and Validation of Solutions to Enhance Energy Efficiency with Life Cycle Assessment
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Mohammad Kazemi   , Aliyeh Kazemi * |
| University of Tehran |
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Abstract: (8 Views) |
Within residential buildings, energy-saving strategies have historically concentrated on deploying advanced lighting technologies that accommodate the activities and behaviors of occupants. It is essential to note that although non-residential environments have widely adopted smart lighting systems, their energy-saving potential may not directly translate to residential settings due to differences in occupant behavior and usage patterns. Therefore, this study aims to analyze the lighting systems in residential buildings in District 1 of Tehran, in accordance with international standards and requirements. The goal is to suggest targeted strategies to improve energy efficiency. To achieve this objective, the study employs a mixed-methods approach, incorporating literature reviews, field analyses, observations, and comparative research. Additionally, two model homes are utilized to exemplify effective lighting design principles complemented by energy-efficient solutions. The validation of these proposed solutions is conducted through life cycle assessment. The findings indicate that replacing incandescent lights with compact fluorescent lamps, light-emitting diodes (LEDs), or smart LED lighting systems yields substantial annual energy savings. Furthermore, designing lighting systems that are tailored to support various functions and visual tasks, providing sufficient horizontal and vertical illumination for different activities in accordance with current standards, and integrating daylight with electrical lighting through smart control systems all work together to enhance the overall efficiency of the lighting system. Ultimately, intentionally incorporating lighting strategies into the design process, along with their proper application, can effectively address many issues within the lighting system. |
Article number: 5 |
| Keywords: Residential environments, Indoor lighting, Energy efficiency, Intelligent systems. |
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Full-Text [PDF 2704 kb]
(6 Downloads)
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Type of Study: Research |
Subject:
Special
Received: 2025/05/6 | Accepted: 2025/11/11 | Published: 2025/12/5
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