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Natural Cooling with Terracotta and Cob Construction for Climate-Responsive Living

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Natural Cooling with Terracotta and Cob Construction for Climate-Responsive Living
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Incorporating terracotta water cooling systems and cob construction, the residence is designed to enhance energy efficiency and comfort within the desert climate while providing adaptable living spaces.
5 key facts about this project
01
Utilizes terracotta water jars for passive cooling, reducing reliance on mechanical systems.
02
Incorporates cob walls, enhancing thermal mass and energy efficiency.
03
Features large glass openings to maximize natural light while minimizing heat gain.
04
Integrates customizable spaces that adapt to the occupants' changing needs.
05
Employs a moucharabeh design for solar protection and privacy.

### Overview
Located in the Emirates Arabes Unis, the project is designed to respond to the unique challenges of the desert climate while incorporating elements of local culture and tradition. It aims to create a sustainable living environment that preserves historical narratives through architectural features that foster energy efficiency and comfort. The design emphasizes a harmonious relationship between built and natural environments, reflecting contemporary practices alongside deep-rooted cultural traditions.

### Climate-Responsive Design
The structure employs strategies that emphasize natural ventilation and bioclimatic principles to mitigate heat gain, thereby enhancing indoor comfort while reducing reliance on mechanical cooling systems. An innovative natural air conditioning system utilizes terracotta jars filled with water, promoting air circulation in a manner consistent with traditional methods. The integration of solar panels and a solar water heater further supports the building's energy independence, aligning it with the overarching goal of sustainability.

### Material Selection
A careful selection of materials underscores the project's commitment to sustainability and regional identity. Cob, made from straw and clay, is used for its excellent thermal properties, while terracotta supports the cooling system. Wood provides natural insulation and structural support, and precast concrete walls offer stability and thermal mass. Large glass windows invite natural light and connect the interior to the surrounding landscape, promoting well-being and a sense of space. The landscaping elements are designed to integrate with the local ecosystem, further enhancing the ecological balance of the site.

The house is organized with a clear distinction between public and private spaces; open-plan living areas on the ground level encourage social interaction, and the upper level ensures privacy for residents. Thoughtful placement of windows optimizes natural light and airflow, contributing to a comfortable and sustainable living environment.

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The Next House: USA — A Global Call to Reimagine the American Suburb

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Competition organisers

Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

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