The optimum performance of your solar system starts with the position and orientation of your solar panels/collectors. In the northern hemisphere, the direction your solar panels should be facing is due south, at an inclination between 50° and 60° from the horizontal. A more vertical inclination will give better performance during the winter months and vice versa for the summer months. Realistically, it is better to angle your panels for best performance during spring and autumn as this is when the greatest saving can be achieved. Although the evacuated tube collectors we supply use radial absorbers and perform very effectively even when they aren't facing exactly due south, it is prudent to increase the number of tubes to compensate for systems that point in either an easterly or westerly direction.

If your property doesn't have a south facing elevation on the roof it is possible to fit panels to more than one roof/elevation surface and, with the help of an upgraded controller and a motorised 3-way valve, the flow can be switched automatically to whichever panel is working the most efficient.

Flat roof systems tend to be easier to orientate, space permitting, as the panels are installed using Flat Roof Mounting Frames and can be orientated in the right direction.