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What units are used for shading devices?

Internal shading devices
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Incident Radiation (ii) to Lower Device = W/m2
Incident Radiation (ii) to Raise Device = W/m2
Nighttime Resistance = m2K/W
Daytime Resistance = m2K/W
Shading Coefficient = n/a (ratio)
Short-Wave Radiant Fraction = n/a (ratio)
Shading coefficient = n/a (ratio)

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