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Jaime Resende
CONSTRUCT (LFC), Faculty of Engineering (FEUP), University of Porto, 4200-465 Porto, Portugal

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Journal article
Published: 24 July 2021 in Sustainability
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As of now, in the EU, all new buildings will have to comply with the requirements for nearly zero energy buildings (nZEB). Portugal defines limits for the maximum useful energy needs for heating and for the maximum primary energy needs and establishes that 50% of primary energy needs must be covered by local renewable energy sources, based on the dwellings’ nominal condition of use. However, the actual use is different. Thus, a simulation tool is used to assess thermal comfort and energy needs for different conditions of use of a dwelling complying with nZEB requirements. Eight different locations are chosen, covering all Portuguese climate zones. The nZEB requirements lead to unusually high levels of thermal insulation, especially in the coldest regions, so special care must be taken by the designers to avoid overheating in summer. Without using HVAC system, some discomfort is found but comfort is possible with low energy consumption. Furthermore, the compliance with nZEB requirements proved to be enough to ensure that a significant percentage of useful energy needs for heating, cooling and domestic hot water is supplied by local renewable energy sources. This is key in order to overcome the high rate of energy poverty in Portugal.

ACS Style

Jaime Resende; Helena Corvacho. The nZEB Requirements for Residential Buildings: An Analysis of Thermal Comfort and Actual Energy Needs in Portuguese Climate. Sustainability 2021, 13, 8277 .

AMA Style

Jaime Resende, Helena Corvacho. The nZEB Requirements for Residential Buildings: An Analysis of Thermal Comfort and Actual Energy Needs in Portuguese Climate. Sustainability. 2021; 13 (15):8277.

Chicago/Turabian Style

Jaime Resende; Helena Corvacho. 2021. "The nZEB Requirements for Residential Buildings: An Analysis of Thermal Comfort and Actual Energy Needs in Portuguese Climate." Sustainability 13, no. 15: 8277.

Research article
Published: 27 October 2020 in Indoor and Built Environment
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Buildings account for 34% of world energy consumption and about half of electricity consumption. The nearly/Net Zero Energy Building (nZEB/NZEB) concepts are regarded as solutions for minimizing this problem. The countries of Southern Europe, which included the nZEB concept recently in their regulatory requirements, have both heating and cooling needs, which adds complexity to the problem. Brazil may benefit from their experience since most of the Brazilian climate zones present significant similarities to the Southern European climate. Brazil recently presented a household energy consumption increase, and a growing trend in the use of air conditioning is predicted for the coming decades. Simulations with various wall and roof solutions following the Brazilian Performance Standard were carried out in a low standard single-family house in three different climate zones in order to evaluate thermal comfort conditions and energy needs. Results show that in milder climate zones, achieving thermal comfort with a low energy consumption is possible, and there is a great potential to achieve a net zero-energy balance. In the extreme hot climate zone, a high cooling energy consumption is needed to provide thermal comfort, and the implementation of a nearly zero-energy balance may be more feasible.

ACS Style

Jaime Resende; Marta Monzón-Chavarrías; Helena Corvacho. The applicability of nearly/net zero energy residential buildings in Brazil – A study of a low standard dwelling in three different Brazilian climate zones. Indoor and Built Environment 2020, 1 .

AMA Style

Jaime Resende, Marta Monzón-Chavarrías, Helena Corvacho. The applicability of nearly/net zero energy residential buildings in Brazil – A study of a low standard dwelling in three different Brazilian climate zones. Indoor and Built Environment. 2020; ():1.

Chicago/Turabian Style

Jaime Resende; Marta Monzón-Chavarrías; Helena Corvacho. 2020. "The applicability of nearly/net zero energy residential buildings in Brazil – A study of a low standard dwelling in three different Brazilian climate zones." Indoor and Built Environment , no. : 1.

Journal article
Published: 10 July 2018 in MIX Sustentável
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ACS Style

Jaime Francisco De Sousa Resende; Andrea Lucia Teixeira Charbel; Teresa Bessa Nogueira Assunção. COMPARAÇÃO QUALITATIVA ENTRE O PROGRAMA BRASIELIRO DE ETIQUETAGEM EM EDIFICAÇÕES E O SISTEMA DE CERTIFICAÇÃO ENERGÉTICA DOS EDIFICÍOS DE PORTUGAL: PROPOSTAS DE MELHORIAS NA REGULAMENTAÇÃO BRASILEIRA. MIX Sustentável 2018, 4, 147 -148.

AMA Style

Jaime Francisco De Sousa Resende, Andrea Lucia Teixeira Charbel, Teresa Bessa Nogueira Assunção. COMPARAÇÃO QUALITATIVA ENTRE O PROGRAMA BRASIELIRO DE ETIQUETAGEM EM EDIFICAÇÕES E O SISTEMA DE CERTIFICAÇÃO ENERGÉTICA DOS EDIFICÍOS DE PORTUGAL: PROPOSTAS DE MELHORIAS NA REGULAMENTAÇÃO BRASILEIRA. MIX Sustentável. 2018; 4 (2):147-148.

Chicago/Turabian Style

Jaime Francisco De Sousa Resende; Andrea Lucia Teixeira Charbel; Teresa Bessa Nogueira Assunção. 2018. "COMPARAÇÃO QUALITATIVA ENTRE O PROGRAMA BRASIELIRO DE ETIQUETAGEM EM EDIFICAÇÕES E O SISTEMA DE CERTIFICAÇÃO ENERGÉTICA DOS EDIFICÍOS DE PORTUGAL: PROPOSTAS DE MELHORIAS NA REGULAMENTAÇÃO BRASILEIRA." MIX Sustentável 4, no. 2: 147-148.