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Sun exposure
How much sunlight actually reaches the roof through the year, after shade.
Enter a street address and get a straight 1–5 rooftop score in about 15 seconds. See the result first, with no email and no lead form.
Scored from Google Solar rooftop imagery and irradiance data. One home, one score, nothing stored.
How much sunlight actually reaches the roof through the year, after shade.
How many productive panels can reasonably fit on the building.
How much of the roof clears the sun threshold, not just total square feet.
How much of the roof faces the sun instead of away from it.