Solar Geysers And Its Benefits 

South Africa is definitely a country that is rich in daily sunlight and solar heat pumps will work at their best with weather conditions such as is available here. People in South Africa and especially in Cape Town have come to the realization that it makes more sense to mount solar geysers as an alternative of electric powered geysers.
http://solaradvice.co.za/low-pressure-solar-geyser/