Passive Solar Design Calculator Software :: Passive Solar Heat Gain Calculator

Passive Solar Heat Gain Calculator - Borst Engineering & Construction LLC

Latitude (Deg, South is Negative)
Month (1-12)
South Wall Deviation from True South (Deg, West is Negative)
Height of Glass (Feet)
Height of Roof Overhang from Top of Glass (Feet, from Passive Solar Roof Overhang Design Calculator)
Depth of Roof Overhang from Glass (Feet, from Passive Solar Roof Overhang Design Calculator)
Passive Solar Fenestration SHGC
Total Passive Solar Fenestration Area (SF)
Clear Sky Optical Depth for Beam Irradiance
Clear Sky Optical Depth for Diffuse Irradiance
Ground Reflectance Coefficient (0.2 is typical)
Climatic Sunshine (%)
Terrain Obstacle Altitude Angle - 60 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 70 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 80 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - True East (Deg or leave blank)
Terrain Obstacle Altitude Angle - 100 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 110 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 120 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 130 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 140 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 150 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 160 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 170 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - True South (Deg or leave blank)
Terrain Obstacle Altitude Angle - 190 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 200 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 210 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 220 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 230 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 240 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 250 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 260 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - True West (Deg or leave blank)
Terrain Obstacle Altitude Angle - 280 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 290 Deg (Deg or leave blank)
Terrain Obstacle Altitude Angle - 300 Deg (Deg or leave blank)


Average Daily Irradiance Time Period (Hours/Day)
Maximum Instantaneous Clear Sky Solar Heat Gain (BTU/Hour)
Maximum Daily Clear Sky Solar Heat Gain (BTU/Day)
Average Daily Climatic Solar Heat Gain (BTU/Day)

Borst Engineering & Construction LLC