According to data from the Ministry of Development, 58% of the stock built in Spain is before 1980. This means that more than half of the Spanish buildings were built without any energy efficiency regulations, are without thermal insulation and with obsolete facilities. It is estimated that there are some 2.000.000 homes in poor condition. In terms of energy efficiency the deficit is very important: 90% of the buildings are prior to the application of the Technical Building Code.

From different administrations and organizations, aid and subsidy programs are periodically published in order to carry out work to promote energy saving, improve energy efficiency, use renewable energies and reduce carbon dioxide emissions. Existing buildings.

The main typologies of this type of programs classify the actions according to the improvement undertaken:

  • Improvement of the energy efficiency of the thermal envelope.
  • Improvement of the energy efficiency of thermal and lighting installations.
  • Replacement of conventional energy by biomass in thermal installations.
  • Replacement of conventional energy by geothermal energy in thermal installations.

 

Generally, the actions foreseen in the request of the aid or subsidy should improve the total energy rating of the building in at least one letter with respect to the initial energy rating of the building.

We should not think that the energy rehabilitation of housing is a mere expense, but must be seen as an investment in which each one of the agents of society are benefited.

The economy of the country is also favorably affected since the creation of jobs in a sector very damaged by the crisis such as construction. Reducing Spanish energy dependence from abroad, eliminating energy poverty and reducing environmental impact promotes increased production and activity of the country, consolidating its economic growth.

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