A well-designed rooftop solar system should last 20 or 30 years, or longer. This guide for choosing the right contractor should help ease your concerns.From pv magazine USA The first articles in our Solar 101 series, (Is my roof ready for solar?) and (Attaching your solar system to your roof) examined how the age and physical characteristics of a roof affect the design and payback of a prospective solar system. We also discussed the design constraints resulting from wind, dirt, and precipitation. And, in Working the angles to maximize your solar system's output, we looked at the relationship ...Den vollständigen Artikel lesen ...
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