Thermo Siphon Systems for Moderate Climate are available in different capacity ranges like 100 litres, 150 litres, 200 litres, 300 litres and 500 litres. Thermo Siphon Systems utilise thermo siphon principle when solar radiation heats water in the collectors. Thermo Siphon Systems are designed for moderate climates with no freezing conditions and good quality water areas. Thermo Siphon Systems for Moderate Climate can be availed in different specifications to suit specific requirement.