Climate Zones

(Also see Energy Codes.)


Image courtesy US Department of Energy.

Image courtesy National Oceanic and Atmospheric Administration.

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Useful Links:

1. General: For a list of American cities and what IECC climate zone they are in, see 1,000 Largest US Cities - Climate Zones.

2. GeneralA brief history of recent developments in US climate zone designations, made available by the US Department of Energy