
The solar array of a can be mounted on , generally with a few inches gap and parallel to the surface of the roof. If the rooftop is horizontal, the array is mounted with each panel aligned at an angle. If the panels are planned to be mounted before the construction of the roof, the roof can be designed accordingly by installing support brackets for the panels before the materials f.

Although some models didn’t quite achieve a BBC Gardeners’ World Magazine Best Buy award, they still have great features that make them worth recommending. Browse our pick of the best of the rest on test.