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The use of attached-sunspaces in retrofitting design: the case of residential b...

This study addresses the energetic performance of an attached-sunspace applied to an existing residential building in Portugal. Four configurations (two attached, one integrated and one partially integrated) are studied in six different climatic zones. In addition other key parameters are considered such as ventilation (with or without natural ventilation), shading devices (one external and two internal configu...

Design issues for net zero-energy buildings 

Net Zero-Energy Buildings (NZEBs) have received increased attention in recent years as a result of constant concerns about energy supply constraints, decreasing energy resources, increasing energy costs and the rising impact of greenhouse gases on world climate. Promoting whole building strategies that employ passive measures together with energy efficient systems and technologies using renewable energy became ...

Edifícios de balanço energético nulo: uma síntese das características principais

Os edifícios de balanço energético nulo têm recebido uma atenção crescente desde a publicação da nova Directiva sobre o Desempenho Energético dos Edifícios em 2010 (EPBD, 2010). A nova EPBD, vai obrigar todos os edifícios novos construídos a partir de 2020 serem caracterizados por níveis mais elevados de desempenho energético, procurando explorar mais as fontes de energia renováveis disponíveis localmente numa ...

The nZEBs in the near Future: Overview of definitions and guidelines towards ex...

Zero-energy performance buildings have gained significant attention since the publication in 2010 of the recast of the EPBD recast which requires all new buildings to become nearly zero-energy by 2020. Buildings are requested to meet higher levels of energy performance and to explore more the alternative energy supply systems available locally on a cost-efficiency basis. Since the directive does not specify min...

Design strategies for non-residential zero-energy buildings: lessons learned fr...

Net zero-energy buildings (Net ZEBs) have been the object of various studies in recent years as various countries have set this performance as long-term goal of their energy policies. Designing successful Net ZEBs represents a challenge since the definitions are yet generic, the assessment method and monitoring approach are under development and the literature is relatively scarce about the best sets of solutio...

The nZEBs in the near future: review on definitions and guidelines of national ...

Environment and Health in Children Day Care Centres

This project addresses a set of common clinical problems in the context of children attending day care centres. It is common sense that children get sick more often as soon as they start attending a day care centre on a daily basis and this is particularly true for some groups at risk, as wheezing infants and wheezing pre-school children. Concerning this, some questions remain unclear: 1. The role of indoor air...

Net Zero Energy Residential Building Case Studies

A number of International Energy Agency (IEA) member countries have adopted a vision of so-called "net zero energy buildings" (NZEBs) as long-term goals of their energy policies. However, what has been missing is a clear definition and international agreement on the mesures of building performence that could inform "zero energy" building policies, programmes and industry adoption worldwide.

Design issues for net zero-energy buildings

Net Zero-Energy Buildings (NZEBs) have received increased attention in recent years as a result of constant concerns for energy supply constraints, decreasing energy resources, increasing energy costs and rising impact of greenhouse gases on world climate. Promoting whole, building strategies that employ passive measures with energy efficient systems and technologies using renewable energy, became a European po...

Ventilação, Qualidade do Ar e Saúde em creches e infantários - Resultados preli...

É do conhecimento geral que a qualidade do ar interior influencia a qualidade de vida dos ocupantes dos edifícios e que pode ter implicações significativas no seu estado de saúde. As crianças constituem um grupo de risco que pode apresentar vulnerabilidades quando exposto a um ambiente interior de menor qualidade. Neste âmbito, correntemente constata-se que parece haver uma tendência para as crianças adoecerem ...