Innovative Façades Lightweight and Thin Systems with High Inertia for the Thermal Comfort Application in Office Buildings in Southern Europe

Rossi, Mónica

doi:10.3992/jgb.6.2.107

Cited by 7 publications

(1 citation statement)

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“…The reduction in energy requirements depends, in winter, mainly on the resistive qualities of the opaque envelope, while during summer on their thermal capacity. Cooling demand due to climate condition and internal thermal load is the biggest portion of a building's energy demand in a Mediterranean climate [Rossi, 2011 andNěmeček et. al, 2015].…”

Section: Introductionmentioning

confidence: 99%

Experimental Analysis of Different Insulated Façade Technologies in Summer Condition

Salvalai¹,

Sesana²

2019

Journal of Green Building

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At the present, the ventilated façade is one of the most widely used and most innovative systems characterized by different energy saving features, but due to its complexity, the real performances are difficult to predict by numerical analysis. This work shows the results of the monitoring campaign conducted on two Cross Laminated Timber (CLT) test boxes equipped with different thermal coat technologies to realize the performances comparisons. In particular, the investigation focus on the evaluation of surface temperatures of the different wall layers and the indoor air temperature for: i) a micro ventilated façade and ii) two different ETICS solutions. The monitoring campaign has been conducted during the summer season on walls with equivalent thermal transmittance (U-value) and different thermal capacity. In detail, the experimental work has been performed to estimate the Isotec® wall micro ventilated façade performance in comparison with two traditional ETICS technology: the first one realized with EPS and the second one with high density rock wool insulation. The results show that due to the shading effect provided by the external layer, the temperature within the cavity of the ventilate façade is reduced by 8–10 °C, reducing the cooling loads through the wall by 30–40% with respect to ETICS with EPS. The shading and the ventilation effects balance the presence of thermal insulation with less heat capacity; consequently, it validates the good quality of Isotec® as wall technology with performances comparable to ETICS solution with high density rock wool insulation.

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Section: Introductionmentioning

confidence: 99%