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Thermal Mass and Natural Ventilation in a Rammed Earth Home Design
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Constructed with rammed earth and complemented by natural ventilation strategies, this dwelling maximizes environmental synergy while providing a functional living space in a challenging desert climate.
5 key facts about this project
01
Utilizes rammed earth construction for thermal mass and durability.
02
Features a central courtyard designed for communal interaction and natural cooling.
03
Employs strategically placed overhangs to optimize sunlight and reduce heat gain.
04
Integrates water features that enhance cooling and connect residents to the environment.
05
Incorporates a bioclimatic design approach to maximize energy efficiency and comfort.

## Project Overview

**Project Name:** Terra Lumina
**Location:** Arizona, USA

Terra Lumina is designed to respond to the climatic and geographical conditions of Arizona, characterized by intense sunlight and fluctuating temperatures. The project integrates functional design elements with sustainable practices, aiming to enhance occupant comfort while reducing environmental impact. The layout thoughtfully aligns with the sun's trajectory, optimizing the use of natural light throughout the day.

### Spatial Strategy and Organization

The design features a central courtyard that serves as the core of the residence, surrounded by various functional spaces. This courtyard promotes communal interaction and facilitates natural ventilation, while expansive views from living and dining areas invite the landscape indoors. Private spaces, including bedrooms and bathrooms, are strategically positioned to ensure privacy without sacrificing access to natural light and airflow. The incorporation of cylindrical forms allows for fluid transitions between spaces, enhancing the overall spatial experience.

### Material Selection and Sustainability

Terra Lumina employs a range of materials that emphasize its connection to the local environment and its commitment to sustainability. Key materials include rammed earth, which provides thermal mass for temperature regulation, and wooden beams, which add structural integrity and warmth. Natural stone is utilized in seating and food preparation areas, reinforcing the relationship between occupants and the surrounding landscape. The project also incorporates innovative features such as reflecting pools that contribute to environmental comfort and a dynamic lighting system that adjusts to varying daylight conditions, enhancing energy efficiency and occupant well-being.

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The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

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The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

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