04:08 | 12/05/2014

Solar water heaters to collect the solar energy from the sun to generate heat (not electricity) and provides hot water at a temperature of 60-90oC for application such as bathing, cloth washing, dish washing, industrial processes, swimming pool, etc.

03:35 | 23/04/2014

How many energy (photons) reach the surface of the Earth on Average?

The energy balance in the atmosphere is shown below:

09:17 | 22/04/2014
Best performance is achieved with direct sun light, however energy savings is guaranteed even in cloudy days thanks to diffuse radiation.