Solar water heater

Challenges

1.       Lack of the awareness and knowledge

2.       Lack of subsidy

3.       Lack of the research and development

4.       Special training for plumbers not provided

5.       Lack of standard for quality  control and recommended code of practice for solar water heater

Function/application of solar water heater

The function of a solar water heater is to heat water for various daily uses during the cold months in households as well as in hotels, lodges, restaurants etc. the uses are;

1.       Washing

2.       Cooking

3.       Drying

4.       Water sir heating

5.       Green house mushroom farms

6.       Water disinfection

7.       Cleaning

8.       Shower bath

9.       Contribution towards sustainable development of mountain tourism

10.   Protection of mountain ecology and environment specially in cold regions of developing countries.

They are of two types.

1.       Active solar water heater system

2.       Passive solar water heater system

Environmental and efficiency implication of solar water heater

1.       It helps to control or retard deforestation caused by requirement of hot water

2.       It can replace, to a large extent of kerosene, electricity, firewood and coal otherwise used for heating water

3.       It uses clean, freely available solar energy for heating water

4.       It does not make a noise

5.       It does not pollute air, water or land

6.       It is no way creates pollution to air water and land