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Gabion Walls and Geothermal Heating Create a Sustainable Mountain Refuge with Natural Materials

Authors:
Samantha Marihart, Elizabeth Rae
Gabion Walls and Geothermal Heating Create a Sustainable Mountain Refuge with Natural Materials
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Utilizing gabion walls and geothermal heating, the design integrates local stone and reclaimed timber to create a sustainable refuge that harmonizes with the alpine environment while serving as a base for outdoor enthusiasts.
5 key facts about this project
01
Utilizes locally sourced gabion walls for structural and aesthetic integration with the landscape.
02
Incorporates geothermal heating systems for energy-efficient climate control.
03
Features oversized triple-pane windows that optimize natural light and views of the mountains.
04
Constructed with reclaimed timber, enhancing sustainability and reducing waste.
05
Adopts a bent A-frame design, providing both stability and distinctive visual appeal.

# Architectural Design Report: Talus

## Project Overview
Located in an alpine environment, the Talus project emphasizes sustainable design and environmental integration. The structure draws inspiration from the local geography and climate, using architectural forms that echo the weathered rock fragments typically found in talus slopes. The design aims to create a refuge that offers shelter from harsh weather while maintaining a strong connection to the surrounding natural landscape.

## Spatial Strategy and User Experience
The planning emphasizes a thoughtful spatial arrangement that prioritizes user comfort and interaction with the environment. Large operable windows and expansive glass panels frame views of the mountainous terrain, enhancing the sensory experience for occupants. The layout includes essential living spaces, such as a communal fire pit, an open living area designed to foster interaction, and a loft area for additional accommodation. Key features, such as a water installation, promote a tranquil atmosphere, while strategic window placement ensures both natural light and thermal efficiency throughout the interior.

## Materiality and Sustainability
Materials were selected based on durability and local availability, contributing to the building's sustainability goals. Natural stone is used for structural walls and gabion systems, while reclaimed timber features in interior finishes. The roof incorporates solar shingles to facilitate off-grid energy generation, complemented by a geothermal system for heating and cooling. Water management systems collect rainwater, with a capacity of approximately 9,860 gallons (37,324 liters), encapsulating the project’s commitment to minimization of ecological impact. The design integrates advanced technologies with natural resource management to create a cohesive and efficient building.

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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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Design the next suburban home for the USA

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