Germany-based Ilzhöfer is offering plug-in mini PV systems for flat and trapezoidal sheet metal roofs. The arrays feature 450 W bifacial solar panels.

Vermont is known as the Green Mountain State for good reason — yes, the Green Mountains run through its center, but the state ...

CR reveals the best metal roofing shingles, which offer durability in extreme weather, a long lifespan, and plenty of curb ...