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Implementation of low-carbon strategies for energy efficiency and climate adaptation: a case study in hot and arid residential buildings

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Listed:
  • Khaled Almazam
  • Omar Humaidan
  • Yakubu Aminu Dodo
  • Faizah Mohammed Bashir
  • Emmanuel Falude
  • Bharosh Kumar Yadav

Abstract

This study assesses the energy efficiency and economic viability of integrated low-carbon technologies in Najran University’s residential buildings under hot–arid conditions. A 24-month analysis of 100 housing units and the Main Library revealed a 42% energy consumption reduction, with solar PV (25.2%), VRF HVAC (10.4%), LED lighting (4.8%), and building envelope upgrades (1.6%) as major contributors. Synergistic effects added a 3% reduction. Economic analysis showed payback periods from 5.8 years (LED) to 15.4 years (envelope), all with positive net present values. Indoor quality improved with 4.8% lower temperatures and 45.8% better stability. Results advocate integrated sustainable practices for hot–arid regions.

Suggested Citation

  • Khaled Almazam & Omar Humaidan & Yakubu Aminu Dodo & Faizah Mohammed Bashir & Emmanuel Falude & Bharosh Kumar Yadav, 2025. "Implementation of low-carbon strategies for energy efficiency and climate adaptation: a case study in hot and arid residential buildings," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 20, pages 1173-1183.
    • Handle: RePEc:oup:ijlctc:v:20:y:2025:i::p:1173-1183.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctaf068
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