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An empirical study of the thermal performance of Bushehr, Iran’s vernacular residential architecture under hot, humid coastal conditions is presented in this chapter. Tabib’s and Nozari’s heritage homes were inspected to (i) find architectural elements that respond to climate change and (ii) assess how well they use passive cooling. Using ISO 7730’s Predicted Mean Vote (PMV) and Predicted Percentage of Dissatisfied (PPD) indices, field monitoring at the height of summer recorded air temperature, mean radiant temperature (MRT), air velocity, and relative humidity (RH). Thermal comfort was then evaluated. The findings show that MRT stayed within 0.6 °C of the air temperature, indoor air velocities ranged from 0.53 to 1.20 m/s, RH decreased by 19–23%, and indoor air temperatures averaged 2.4–2.6 °C lower than external temperatures. Compliance with international comfort requirements was confirmed by PMV values remaining at +1.0 and PPD below 20%. Terraces, courtyards, shenashir, and material methods were all crucial to performance and provided transferable standards for low-energy, sustainable home design in hot, humid regions.

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Heat and Heritage for Vernacular Resilience: Thermal Performance of Vernacular Housing in the Hot and Humid Coastal Climate of Bushehr, Iran

  • 章节

  • 发表日期：

    2026年

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  • Jalil Shaeri,
  • Ali Cheshmehzangi

摘要

An empirical study of the thermal performance of Bushehr, Iran’s vernacular residential architecture under hot, humid coastal conditions is presented in this chapter. Tabib’s and Nozari’s heritage homes were inspected to (i) find architectural elements that respond to climate change and (ii) assess how well they use passive cooling. Using ISO 7730’s Predicted Mean Vote (PMV) and Predicted Percentage of Dissatisfied (PPD) indices, field monitoring at the height of summer recorded air temperature, mean radiant temperature (MRT), air velocity, and relative humidity (RH). Thermal comfort was then evaluated. The findings show that MRT stayed within 0.6 °C of the air temperature, indoor air velocities ranged from 0.53 to 1.20 m/s, RH decreased by 19–23%, and indoor air temperatures averaged 2.4–2.6 °C lower than external temperatures. Compliance with international comfort requirements was confirmed by PMV values remaining at +1.0 and PPD below 20%. Terraces, courtyards, shenashir, and material methods were all crucial to performance and provided transferable standards for low-energy, sustainable home design in hot, humid regions.