Climate Zone 1A

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A type of climate defined in the ASHRAE 169-2006 standard consisting of Climate Zone Number 1 and Climate Zone Subtype A.

Climate Zone 1A is defined as Very Hot – Humid with IP Units 9000 < CDD50ºF and SI Units 5000 < CDD10ºC .

The following places are categorized as class 1A climate zones:


Miami, Florida is the representative city for Climate Zone 1A used in the DOE Commercial Reference Buildings Model.