Solar Panel Roof Calculator
Estimate solar panels for roof area
sq ft
hrs
公式
Output = Panels × Watts × Sun Hours × 0.8
80% system efficiency accounts for inverter loss, shading, temperature.
示例
400 sqft, 400W panels, 5 sun hrs
22 panels, 8.8kW, ~$3,802/yr savings.
常见问题
关于 Solar Panel Roof
Estimate solar panel capacity for your roof.