From my own experience (of course depending on the desired budget), I can recommend Katrein.
Otherwise, the topic is quite extensive. Writing everything about it would be very comprehensive.
A tip for installation that is often forgotten... if possible, avoid installing it where a tree can grow in front of it.
It sounds odd, but I have seen this happen in rare cases (2 or 3 out of around 400 systems installed).
The clients insisted on having the system in that spot instead of on the roof. After a few years, we had to relocate it because the tree underneath had grown a bit. ;-)
Otherwise, the topic is quite extensive. Writing everything about it would be very comprehensive.
A tip for installation that is often forgotten... if possible, avoid installing it where a tree can grow in front of it.
It sounds odd, but I have seen this happen in rare cases (2 or 3 out of around 400 systems installed).
The clients insisted on having the system in that spot instead of on the roof. After a few years, we had to relocate it because the tree underneath had grown a bit. ;-)