Passive House

Calidad en consultora energética de Madrid en 2025

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What is an energy consultancy and why is it key in Madrid? Having an energy consultancy in Madrid has become an essential step. Even more so in a context marked by high electricity and gas bills, new European efficiency regulations, and a growing concern for the environment. It’s not just about saving money, but about … Read more

Blower door test DB-HE1 of the CTE 2019 health and safety in buildings in Madrid for quantity surveyors and architects

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CTE: Assessment of the Airtightness of Buildings with Blower Doors In 2019, the latest amendment to the Spanish Building Technical Code (CTE) came into effect. Among the most significant changes was the Basic Document on Energy Saving (DB HE1), which introduced an assessment of building airtightness. Until then, the importance of this factor had not … Read more