The initial container of quality Solar Thermal Units, from the manufacture. YIS Solar was imported by Selected Power, creator Jim Hickey, in 1982 right into South Africa. With the years Selected Power mounted over 23 000 systems in the Southerly African region into both Domestic & Commercial sectors. South African History: YIS Solar systems are produced ‘under one roof’ in Perth, Australia, for the previous 40 years and also finest fit to our Southerly African environmental conditions. As part of the Green Group, YIS Solar is a globe leader in the Solar Water Home heating company setting up greater than 30 Million systems in over 80 regions worldwide. YIS Solar was also the first Solar Thermal System to be awarded SABS Mark of Authorization in South Africa. Registered to various other professional physical bodies such as IOPSA SESSA & SAAEA. YIS Solar has a 7 year warranty with a proven life-span of systems over 10 years. YIS Solar the oldest understand thermal brand in the area with evidence.