One of the greatest challenges for the modern world is how to provide safe water to its expanding population. Over half of the world’s hospital beds are occupied by people suffering from illnesses linked to contaminated water, whilst every year more people die from consuming polluted water than those killed during war and by other forms of violence.

Water and energy are interconnected issues for many poor families; 70% of the energy used by a typical home in Sub-Saharan Africa is for cooking, washing and heating water. Due to a lack of energy infrastructure, people make use of natural resources, namely wood and charcoal. This leads to smoke inhalation, burn injuries, deforestation, and carbon dioxide emissions. Indoor plumbing and secure electricity supply are distant dreams for many households.

How these issues affect humanity:

  • More than a billion people in developing countries have inadequate access to safe water.
  • 1.8 million Children die each year as a result of diarrheal diseases.
  • The loss of 443 million school days each year from water-related illness.
  • At any given time, almost half of all the people living in developing countries are suffering from a health problem caused by water.
  • Millions of women spend several hours each day collecting water.
  • Nearly 3 billion people in the developing world cook food and heat their homes with traditional cook stoves or open fires.
  • Over 4 million people die prematurely from illness attributable to the household air pollution from cooking with solid fuels. Women and children are most susceptible.


SOLVATTEN is a combined portable water treatment and solar water heater system that has been designed for use at the household level in the developing world. The product is unique and practical for a number of reasons, namely that it is able to produce both safe and warm water for its user, whilst most water treatment products designed for use in the developing world do not fulfil families’ warm water needs. SOLVATTEN belongs to a small group of water-purification devices that are capable of achieving the ‘highly protective’ status, and with 120,000 units distributed worldwide, SOLVATTEN is saving lives on a daily basis.

The device has been specially designed to meet the needs of its users, and withstand the rigors of poverty. The portability of SOLVATTEN means that those forced to travel long distances to obtain water are able to do so with more ease and comfort. It is made of durable plastic materials and requires no batteries, chemicals or spare parts. The unit has an average lifespan of 7-10 years, meaning it withstands those early years when children are most susceptible to waterborne diseases.

Another great thing about SOLVATTEN is that it creates warm water – up to 75°C. To help you imagine how warm this is, the preferred drinking temperature for tea is 56-60°C. Water at this temperature is perfect for a number of household and hygiene purposes, such as cooking, hand washing, bathing and domestic cleaning. Users that want cooler water can simply place their unit in the shade once the water has been purified. The value and dignity of warm water is sometimes easy to neglect – consider living a day without warm water for showering, cooking and hand washing. Furthermore, imagine giving birth or caring for a newborn baby without safe, warm water…

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