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Closed Water Cycle and Aquaponics Integration in Sustainable Green Spaces

Author:
Yi-ting Tsai
Closed Water Cycle and Aquaponics Integration in Sustainable Green Spaces
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Utilizing a closed water cycle and integrated aquaponics, the design enhances sustainability while offering a multifunctional living space that responds to the challenges of water scarcity in Taiwan.
5 key facts about this project
01
Closed water cycle design minimizes resource wastage.
02
Integrated aquaponics system supports local food production.
03
Fish ponds enhance aesthetic and functional aspects.
04
Flexible furniture storage adapts to various activities.
05
Semi-outdoor stairs improve accessibility and connection to nature.

The design centered around A-Kung-Tien Reservoir in Kaohsiung, Taiwan, addresses critical water management challenges in the area. With the reservoir's decreasing capacity and resulting local water shortage, the approach combines aquaponics with innovative water storage systems. This strategy reflects a commitment to sustainable practices, aiming to use resources efficiently while minimizing waste.

Design Concept
Functionality is a key aspect of the design. Semi-outdoor stairs provide direct access to the bedroom, enhancing movement throughout the space. On either side of the structure, fish ponds play a dual role, contributing both aesthetics and function to the aquaponics system. Ladders offer practical access during rainy days, showcasing adaptability in the design.

Spatial Functionality
Flexibility is emphasized through the organization of spaces. Easily stored furniture like lazy bones and desk chairs allows for a variety of uses in the living areas. This focus on functionality helps support different activities while keeping the environment organized, ultimately improving the usability of the space.

Sustainable Features
The roof design has multiple purposes. It serves as a rainwater collection area and a platform for solar panels, enhancing energy efficiency. This is vital for addressing the resource constraints of the region. The closed water cycle directs water from the collecting area through the roof, vegetable area, and water storage, showing a commitment to ecological balance by reducing resource wastage.

Integrative Layout
The overall layout is thoughtful and well-structured. It includes essential elements like vertical walls, vent windows, a hidden staircase, and a header tank. An aquarium adds another layer, blending aquatic ecosystems with the living space while also acting as a visual centerpiece that connects the interior to the surrounding natural environment.

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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

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