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Thus, it is important for builders and building officials to know which climate zones apply to their projects. The Energy Commission has developed an app to quickly and accurately show addresses and locations in relation to the geographic metes and bounds that determine California’s climate regions.
Step-by-Step Instructions . Using the climate zone map to the right, match the jurisdiction to the appropriate IECC climate zone. Use the simplified table of IECC building envelope requirements (below) to determine the basic thermal envelope requirements associated with the jurisdiction.
The following insulation requirements apply to all roof alterations, irrespective of whether the existing insulation is below or above the roof deck. The minimum requirement for a roof alternative is R17 to R23, based on the climate zone, provided the insulation is continuous.
The California climate zones range from Zone 1, which includes areas with the warmest temperatures, to Zone 16, which includes areas with the coolest temperatures. Each zone is characterized by a unique set of climate-related variables, such as temperature, humidity, and wind patterns.
2021 edition of code establishing a baseline for energy efficiency by setting performance standards for the building envelope (defined as the boundary that separates heated/cooled air from unconditioned, outside air), mechanical systems, lighting systems and service water heating systems in homes and commercial businesses.
11 sie 2023 · EZ Building Climate Zone Finder 2.0. The Energy Commission has developed this app to quickly and accurately show addresses and locations to determine California’s climate regions.
11 sie 2023 · Each Climate zone has a unique climatic condition that dictates which minimum efficiency requirements are needed for that specific climate zone. The numbers used in the climate zone map don't have a title or legend.
