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Hempcrete Retreat Featuring Hydroponic Agriculture and Geothermal Systems

Author:
Francis Fatade
Hempcrete Retreat Featuring Hydroponic Agriculture and Geothermal Systems
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Constructed with hempcrete and equipped with a hydroponic system and geothermal heating, the retreat embodies a sustainable approach to self-sufficient living while serving as a wellness getaway.
5 key facts about this project
01
Constructed entirely from hempcrete for enhanced insulation and durability.
02
Incorporates a rainwater collection system for independent water supply.
03
Includes a hydroponic garden that provides fresh produce for occupants.
04
Features geothermal heating and cooling for energy-efficient climate control.
05
Optimizes vertical space with a loft design that maximizes usability.

The Vine Retreat is located in Cambodia and designed to provide a place for relaxation and community interaction. With a focus on sustainability, it serves as a functional space that encourages self-sufficiency. The overall concept integrates natural elements, promoting a connection between the built environment and the landscape.

Spatial Efficiency

The retreat occupies a total area of 25 square meters and uses this space creatively to combine living, cooking, and meditation areas. The open-plan design allows for flexibility, making it easy to adapt the interior for different activities. A loft structure is central to the design, using vertical space well. Features such as a full-sized bed, a bench for seating, and ample storage enhance its functionality.

Sustainable Practices

Sustainable agriculture is a key part of the project. A hydroponic system is included in the cooking area, highlighting the retreat’s commitment to growing food. This feature allows guests to connect with the process of food production while encouraging a healthy lifestyle. Such practices support the idea of self-sufficiency and create a direct link between nature and daily living.

Water Management and Energy Efficiency

Water management strategies are well-considered, including a rainwater collection system that ensures a reliable supply. This system is crucial for minimizing the ecological footprint of the retreat. Alongside this, a geothermal heating and cooling system regulates indoor temperatures. This approach emphasizes energy efficiency and reduces reliance on conventional energy sources.

Material Use

Sustainable materials play an important role in the retreat's construction. Mentioned materials include hemp, lime, and water. The use of hempcrete provides properties like resistance to fire, water, and pests. This choice supports a low-impact building design and leads to longer-lasting structures that are easy to maintain.

Large openings in the facade invite natural light inside and frame views of the surrounding landscape. The overall design creates a warm environment that fosters connection while remaining practical and efficient.

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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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