Normatives and regulations:

- In Spain:

Código Técnico de la Edificación:

• https://www.codigotecnico.org/index.php/menu-documentoscte.html

Reglamento de Instalaciones Térmicas en los Edificios, (Versión 2007):

• http://www.minetad.gob.es/energia/desarrollo/EficienciaEnergetica/RITE/Reglamento/RDecreto-1027-2007-Consolidado-9092013.pdf

- In Germany:

Erneuerbarer Energien im Wärmebereich (EEWärmeG)

• http://www.gesetze-im-internet.de/eew_rmeg/

Energieeinsparverordnung:

• https://www.gesetze-im-internet.de/enev_2007/
• http://www.enev-online.com/enev_2014_volltext/enev_2014_verkuendung_bundesgesetzblatt_21.11.2013_leseversion.pdf

Informations about subventions:

Know your currently available subventions at regional and national level.

- In Spain:

• www.ayudasenergia.com/subvenciones-energia/
• www.idae.es/index.php/idpag.35/relmenu.389/mod.pags/mem.detalle

- In Germany:

• http://www.gesetze-im-internet.de/eeg_2014/

These subventions are conceded, according to the European framework for the achievment of the objective 20/20/20 until the year 2020, by the “Ministry of industry, energy and tourism” and for the corresponding community government.