Climate Zone Number 4

From Open Energy Information

A type of climate defined in the ASHRAE 169-2006 standard.

Climate Zone Number 4 is defined as

  • Mixed – Humid(4A) with IP Units CDD50ºF ≤ 4500 AND 3600 < HDD65ºF ≤ 5400 and SI Units CDD10ºC ≤ 2500 AND HDD18ºC ≤ 3000
  • Dry(4B) with IP Units CDD50ºF ≤ 4500 AND 3600 < HDD65ºF ≤ 5400 and SI Units CDD10ºC ≤ 2500 AND HDD18ºC ≤ 3000
  • Mixed – Marine(4C) with IP Units 3600 < HDD65ºF ≤ 5400 and SI Units 2000 < HDD18ºC ≤ 3000

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The following places are categorized as class 4 climate zones:

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