Lowtech Graph
Solar Radiation
Incoming solar energy (heat and/or light)
Consumed by
South-facing glazing sized for winter gain
South-facing attached sunspace / solar greenhouse
Daylight-factor window sizing and placement
Clerestory windows / light shelves
Thermosiphon solar water heater
Solar PV array
Solar cooker
Solar / light tubes
Batch solar water heater (integrated collector-storage)
Solar dryer (dehydration)
Motorized heliostat mirror (north-facing daylighting)
Slate-clad solar air heater (wall-mounted thermosiphon collector)