There are two different types: flat plate, where lots of thin tubes carry water through a flat absorber panel, and evacuated tube, where vacuum glass tubes capture the sun’s energy directly. There is little difference in performance between the two but evacuated tube panels do more obviously extrude from the roof.
Chalfont St Giles
Chalfont St Giles is a town and also civil parish within the Chiltern area in south eastern Buckinghamshire, England, on the edge of the Chilterns, 20.9 miles (33.6 kilometres) west-north-west of Charing Cross, central London, and also near Seer Green, Jordans, Chalfont St Peter, Little Chalfont as well as Amersham. Chalfont indicates chalk springtime, of the water bring abilities of the local terrain. The town has a pond that is fed by the River Misbourne. In 2009, the town was awarded the European Diploma of the Council of Europe in acknowledgment of its initiatives to propagate the idea of European unity.