Sustainability

Energy efficiency

Wood, the smart solution

In energy terms, wood is a highly efficient material, both in its production and in its use. Unlike many building materials, wood requires less energy to process, transport and install, resulting in a significantly smaller carbon footprint. In addition, wood has excellent thermal insulation properties, contributing to the energy efficiency of buildings and reducing the need for artificial heating and cooling. When used in buildings, wood helps keep the internal temperature stable, which translates into lower energy consumption and lower operating costs. Wood's energy efficiency therefore makes it a sustainable and economically advantageous choice for construction.

Wood compared to other building materials:

100% Madeira 100% Madeira 100% Madeira 100% Madeira

Wood has a mechanical efficiency 6.4 times higher than steel in relation to its density.

Wood consumes 24 times less energy than glass in its transformation.

Wood consumes 200 times less energy than aluminium for an identical strength.

Wood has a thermal conductivity 10 times lower than concrete.

Wood has a mechanical efficiency 6.4 times higher than steel in relation to its density.

Wood consumes 24 times less energy than glass in its transformation.

Wood consumes 200 times less energy than aluminium for an identical strength.

Wood has a thermal conductivity 10 times lower than concrete.

Energy Certificate

The energy rating of buildings is a system that evaluates and classifies the energy efficiency of a building. This assessment considers various factors, such as thermal insulation, the efficiency of heating and cooling systems, the quality of windows and doors, and the use of renewable energy sources. The classification generally ranges from A+ (most efficient) to F (least efficient), indicating how much energy the building consumes compared to a reference standard. Buildings with a high energy class not only reduce energy costs, but also reduce greenhouse gas emissions, contributing to environmental sustainability. The adoption of innovative construction technologies and materials is key to achieving a better energy rating and promoting sustainable development in the construction sector.
In a practical example, a house built by rusticasa® in Fundão, a municipality located in Climate Zone I2 V3, obtained energy class A+, the highest classification for residential buildings, with an efficiency of 98% in heating and 100% in cooling the environment above the reference value.

Energy Certificate
Extract from energy certificate SCE341169024
Source: ADENE - Agency for Energy 2024

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