RENEWABLE ENERGIES
These kind of energies are obtained from natural inexhaustible sources.All these energies can be applied to buildings to generate the energy they consume.

1 - Geothermal energy
It consists in the use of the land subsoil thermal inertia and constant temperature.It is generated through undergroung water pipes and it can be used for heating and cooling.

2 - Solar thermal energy
Utilization of solar radiation based on the greenhouse effect generated by heating a fluid. It can de used for hot water production.

3 - Solar PV energy

Utilization of solar radiation through the photo-detecting quantum photovoltaic cells.The resulting energy can be connected to the company network or it can be an isolated system with an accumulator.

4 - Biomass 
Use of the power generated by the combustion of renewable organic material from plants and animals.
Alfons XII 18 1o 3a   08241 Manresa (Barcelona)
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