Technical Specifications for Energy Conservation Design of Buildings

This mandatory code regulates the thermal performance of building envelopes, enforcing strict limits on heat transmittance (U-values), solar shading (SF), and annual energy consumption (ENVLOAD). It provides efficiency standards across residential, school, and commercial building categories, adjusted for Taiwan's specific climate zones and altitude levels. Key requirements include a mandatory roof thermal transmittance of < 0.8 W/(㎡·K) and a minimum 15% openable window ratio for residential units to ensure natural ventilation

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