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Rammed Earth Walls and Hydrophilic Surfaces Define Sustainable Desert Living

Rammed Earth Walls and Hydrophilic Surfaces Define Sustainable Desert Living
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Utilizing rammed earth walls and hydrophilic surfaces, the design creates a water-efficient residence that effectively addresses the challenges of arid coastal living.
5 key facts about this project
01
Utilizes hydrophilic coatings to capture atmospheric moisture for drinking water.
02
Incorporates a wind catcher for enhanced natural ventilation and cooling.
03
Constructed with rammed earth for superior thermal mass and energy efficiency.
04
Features large north-facing windows with adjustable mesh shades for light control.
05
Adopts multi-functional furniture to maximize interior space flexibility.

## Overview

Located in the arid coastal regions of the Gulf Cooperation Council (GCC) countries, the Desert Dwelling is an architectural design focused on sustainability and adaptability. Addressing the environmental challenges characteristic of the region, the design combines local architectural traditions with contemporary practices, aiming to minimize ecological impact while enhancing the user experience.

## Sustainability and Water Management

The design employs several innovative strategies to promote sustainability. Surfaces are treated with hydrophilic coatings to capture atmospheric moisture, converting it into potable water, thus reducing reliance on conventional water sources. Additionally, a rainwater harvesting system is integrated to ensure efficient water management. The dwelling is engineered to operate off-the-grid, utilizing solar energy as its primary power source and prioritizing natural resources for operational efficiency. Natural ventilation is enhanced through a central wind catcher, which facilitates airflow and significantly lessens the need for air conditioning.

## Materiality and User Experience

In selecting materials, the design emphasizes both functionality and aesthetic alignment with the natural surroundings. The south wall incorporates insulated rammed earth, which provides thermal mass to regulate indoor temperatures effectively. Polished concrete flooring offers a cool surface during high temperatures, while large, strategically shaded north-facing windows maximize natural light, enhancing occupant comfort.

The flexibility of the interior space is evident in the open plan layout, featuring a retractable double bed and multi-functional furniture that adapts to varying activities. The color palette reflects natural desert tones, fostering a serene ambiance that complements the dwelling’s environment. Additionally, adjustable mesh shades ensure privacy and light control while integrating technology for improved user comfort. The exterior's simple silhouette and strategic landscaping enhance its visual connection to the surrounding landscape, establishing a seamless integration of built and natural environments.

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MICROHOME 2026
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100,000 € Prize Fund / Kingpsan Edition #11
The Next House: USA
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20,000 USD Prize
Buildner's Unbuilt Award 2026
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100,000€ Prize / 2026

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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