Energy · IECC 2021 §C403.5 / Table C403.5(1)
Economizer Required Systems
Applicability map for economizers: chilled water systems by climate zone and capacity, fan systems of 54,000 or 270,000 Btu/h by occupancy, and the seven exceptions.. Referenced to IECC 2021 §C403.5 / Table C403.5(1).
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