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Rammed Earth Structure with Passive Cooling and Community Integration

Author:
Tomas Seral Arespacochaga
Rammed Earth Structure with Passive Cooling and Community Integration

Project in-detail

Showcasing rammed earth construction and passive cooling techniques, this residence effectively integrates communal spaces with sustainable materials to create a comfortable and energy-efficient living environment.
5 key facts about this project
01
Rammed earth walls provide significant thermal mass, enhancing indoor climate stability.
02
Designed with cross-ventilation pathways to maximize airflow and reduce energy consumption.
03
Incorporates outdoor living spaces that blend seamlessly with the interior for communal engagement.
04
Utilizes locally sourced materials to minimize transportation impact and promote regional identity.
05
Features a basement that houses utility functions, optimizing the use of above-ground living space.

## Overview

The Compact House is situated within a desert environment, where its design responds to unique climatic challenges while integrating local cultural elements. The project aims to enhance modern comfort through sustainable practices and the incorporation of traditional building techniques, utilizing local materials to minimize environmental impact.

## Material Selection and Design Strategies

### Materiality

Key materials include rammed earth, which serves as the primary structural element with a thickness of 40 cm, providing excellent thermal inertia and low embodied energy. Sustainable certified wood is used for windows, aiding in carbon neutrality, while porcelain tiles are selected for their properties that complement radiant cooling systems. The basement is constructed with mass concrete, utilizing 100% recyclable components and local aggregates.

### Architectural Layout and Circulation

The spatial arrangement separates public and private areas to suit cultural norms. The basement accommodates utility spaces such as parking and storage. The ground floor features an open-plan design that integrates living areas with distinct private zones, including bedrooms. Outdoor spaces are carefully designed to foster interaction with nature, promoting outdoor living and communal activities. Separate circulation paths for public and private movement enhance privacy while facilitating social gatherings when required.

## Sustainable Design Approaches

### Passive and Active Strategies

The design incorporates passive strategies such as optimized window orientation and overhangs to maximize natural light and regulate heat, supported by cross-ventilation systems to enhance airflow. Active strategies include the installation of solar panels for renewable energy generation and geothermal systems for maintaining stable interior temperatures.

Through the combination of traditional and contemporary architectural practices, the Compact House exemplifies a commitment to sustainability and local tradition, creating a residence that meets the modern demands of its inhabitants while respecting its environmental context.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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