Table 7

Proposed passive design strategies for the female secondary school building in Tehran.

Passive design strategies Solution Current practice in a base case
Orientation South–South East South
Glazing Double glazed window with air in between panes 6 mm Single glazed
Wall Insulation 10 cm common thermal insulation material on outer side of external walls with u-value between 0.28 and 0.32 w/m2k No wall insulation
Roof Insulation 5 cm common thermal insulation materials on inner side of roof with u-value of 0.5 w/m2k 5 cm insulation on outer side of roof layers
Thermal Mass 25 cm high-density concrete blocks or 30 cm outer bricks in external walls 30 cm brick in external walls

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