// multi-utility computation suite · offline · instant · precise
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eng.solar-urban-heat-island Calculator
Calculates the urban heat island mitigation potential from cool roof albedo, tree shading, and green infrastructure area. Cool roofs with albedo of 0.6–0.7 (vs. black roofing at 0.05) reduce surface temperature by 15–30°C — significantly reducing cooling load and urban heat island intensity.
Inputs
Urban Albedo
Reference formula or conversion factor shown for context.
Rural Albedo
Reference formula or conversion factor shown for context.
Solar Irradiance W M2
Reference formula or conversion factor shown for context.
Urban Area Km2
Two-dimensional surface extent (m²). For complex shapes, break into simpler sub-shapes and sum.
Results
excess absorbed radiation (W/m²)
The value at the specified point or condition.
total excess heat (GW)
The combined total across all inputs and components.
estimated UHI temperature effect (°C)
The change in the property attributable to the temperature difference. Many material properties are temperature-dependent.