House Under Shadows, fibreglass passive house
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House under shadows ‒ a fibreglass and reinforced concrete passive house in northern India

Eco-friendly materials and natural ventilation endow the edifice with a unique harmony incorporating natural elements and minimal energy use

ZED Lab

House Under Shadows, fibreglass passive house
By Editorial Staff -

India is changing, while also preserving its traditional identity. Ever more frequently sustainable and energy-efficient buildings and towns with a contemporary air are taking shape amidst millennium-old temples and mud-and-straw villages. Long-sighted choices, given that climate change is putting life in these areas to the test. 

An interesting example in this sense is House Under Shadows. This passive house built in Karnal, in the north of India, strikes a balance between generated and consumed energy that stands at almost nil, making it an NZEB (nearly zero-energy building).

 

House Under Shadows - ZED Lab © Andre J Fanthome, courtesy of ZED Lab

 

Designed by ZED Lab, a Delhi-based architecture studio, the edifice was developed with digital modelling enabling a 65% reduction in direct and indirect sunlight ‒ a genuine architectural response to the extreme weather conditions in northern India.

 

House Under Shadows ‒ a fibreglass and reinforced concrete passive house in northern India

House Under Shadows - ZED Lab © Andre J Fanthome, courtesy of ZED Lab

 

House Under Shadows is a 1672m2 integrated two-family home redefining what is considered 'Indian modern', taking its cue from the vernacular and from elements of nature ‒ all introduced to keep energy consumption to a minimum.

 

>>> Three projects show what the India of the future will be like

 

The key element in the design is the classic double roof that horizontally covers the two-unit construction. Based on Voronoi tessellation, the double roof is a combination of GRC (glassfibre reinforced concrete) and FRP (fibre-reinforced polymer) with a high SRI (solar reflectance index). This also instils an interplay of light and shade that varies with the seasons.

 

House Under Shadows - ZED Lab © Andre J Fanthome, courtesy of ZED Lab

 

In general, the home is a reworking of the traditional havelis and chhatris of the Indian architectural palette, and therefore has an internal courtyard and connecting spaces that enable movement, natural ventilation and daylight. In addition, the architects' design includes vertical green walls to fight the urban heat-island effect, facilitating evapotranspiration and stabilising the building's micro-climate.

 

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House Under Shadows - ZED Lab © Andre J Fanthome, courtesy of ZED Lab

Credits

Location: Karnal, India
Building area: 1672 m2
Completion year: 2021
Project by ZED Lab
Photography by Andre J Fanthome, courtesy of ZED Lab

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