The energy coming from the sun can be taken advantage of for the production of sanitary hot water, to some really competitive costs, compared with the other current forms of heating of water.

-This energy to part of being inexhaustible, avoids the emission to the environment of polluting gases.       -The current techniques for use of the energy, they have demonstrated that it is an economically viable energy source.       - The terms of paying-off of the facilities can vary in function of the size of the same ones between 3 and 6 years.

The useful life of these facilities is superior to the 20 years if they are given a correct use and the appropriate maintenance programs are continued for each case.