Reverse tilts Generally if you are hard up for room, installing on the south side in Brisbane is still ok.
Installing reverse tilts is a waste of time and money.
The salesman sells you the dream – let’s put the on the back of this roof and tilt them north…
The back of the roof is still shaded by the roof peak as the sun comes up. The top panel will shade the lower panel until sun is in the right position, so you do not get awesome production out of them. If it is south side, flat install, more panels..
A correctly designed and installed solar system will always give you what the system designer – not candy ass salesman – estimates. Putting an ugly shit show on your roof adds commission to a sales mans pocket and an eye saw to your property