El diseño Amami House Vivienda de Kazunori Sakai es un ganador altamente estimado del prestigioso 2026 A' Design Award de Plata en la categoría de competición Diseño de Arquitectura, Edificación y Estructuras.

PlataArquitectura· 2026

Amami House Vivienda

de Kazunori Sakai

Cliente: Sakai Architects

Ganador del A' Design Award de Plata en la Categoría Arquitectura

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El Diseño

Acerca de Amami House Vivienda

La Casa Amami es una residencia autosuficiente ubicada en la isla de Amami, Japón, proyectada para una familia de cuatro personas. La isla presenta un clima cálido y húmedo con bajos niveles de radiación solar. La vivienda permite una vida confortable sin depender de la red eléctrica ni del aire acondicionado. Estrategias pasivas como la ventilación natural, la iluminación natural y el aislamiento reducen la necesidad de sistemas mecánicos. La forma tradicional de la cubierta a cuatro aguas con hastial se reinterpreta con prestaciones contemporáneas. Un calentador solar de agua, un sistema de compostaje y un huerto doméstico completan un pequeño ciclo de autosuficiencia.

El Reconocimiento

Acerca del A' Design Award de Plata

Amami House Vivienda ha ganado el A' Design Award de Plata, un reconocimiento extraordinariamente prestigioso concedido a diseños de gama alta, magníficos e impresionantes. Los ganadores de Plata son obras tremendamente brillantes y sumamente creativas que ilustran la destacada experiencia, el talento y la agudeza de sus diseñadores. Se espera que Amami House Vivienda sea una obra maravillosa y emblemática, notablemente profesional y profundamente innovadora. Este diseño ganador del A' Design Award de Plata es una invención muy notable y admirada que beneficia y hace avanzar las fronteras del arte, la ciencia, el diseño y la tecnología. Amami House Vivienda es una creación enormemente envidiada que evoca deseos, aporta sentimientos positivos y despierta asombro y admiración.

Detrás del Diseño

Kit de Prensa

Créditos, miembros del equipo y detalles técnicos proporcionados por el diseñador.

Propiedades Únicas: Located on Amami Island, an island with a hot and humid climate and among the lowest levels of solar radiation in Japan, this self-sufficient house investigates how a family of four can live comfortably without dependence on the power grid or air conditioning.

Rooted in the island’s unique climate and culture, the design reinterprets vernacular architecture through passive strategies, including natural ventilation, daylighting, and insulation, thereby minimizing reliance on mechanical systems.

The project presents a sustainable model of living in harmony with nature, nurturing resilience, and quietly redefining what it means to dwell in the modern world.
Dimensiones y Embalaje: A vacuum-tube solar water heater installed on the east-facing roof supplies domestic hot water, reaching 60 to 97 degrees Celsius in summer and around 30 degrees in winter. Only minimal backup from a gas heater is needed, reducing gas consumption to less than half of that in the family’s previous rental home. Groundwater use was initially considered, but high iron content led to the adoption of a public water supply for greater reliability. The sauna is heated with wood repurposed from local construction offcuts, creating a circular resource exchange with nearby builders. A composting system turns kitchen waste into fertilizer for the home garden, where vegetables grown on-site return to the dining table, forming a small yet tangible cycle of self-sufficiency.
Etiquetas: Off-grid housing, Passive design, Self-sufficient living, Vernacular architecture, Japan, Sustainable architecture, Resilient design, Energy autonomy, Community living, Climate-responsive design
Tecnología de Producción: Amami is often called the “Island of Yui,” known for its deeply interwoven social ties. Traditional celebrations for children’s milestones often bring together more than 80 relatives and neighbors, reflecting a collective culture where child-rearing is shared across families and the wider community, and homes have historically functioned as both private and communal spaces. In recent years, however, such practices have diminished due to nuclear families, standardized housing, and the impact of the pandemic. This house responds by reintroducing openness and generosity into the domestic realm, creating spaces where people can naturally gather and share time together, reviving and sustaining the island’s cultural traditions.
Desafío de Diseño: The hardest part was designing a truly self-sufficient house in one of Japan’s most demanding climates—hot, humid, and with limited solar radiation—while removing dependence on the power grid and air conditioning. Balancing comfort and resilience required continuous testing of passive strategies, energy autonomy, and spatial composition, with every decision responding precisely to local climate data. Equally challenging was integrating cultural elements such as the dispersed house form, the openness of yui community ties, and traditional roof expressions into a contemporary language sustaining both environmental and communal life.
Inspiración: Inspired by the vernacular landscapes of Amami, where corrugated metal roofs are commonly seen across local settlements, the design inherits the traditional hip-and-gable roof form and integrates contemporary performance features such as insulation, ventilation, and natural lighting. Through this synthesis, the project reinterprets and reconstructs the roof as a new architectural typology that connects local identity with modern functionality.
Duración del Proyecto: Design Period: February 2018 – December 2023
Construction Period: January 2024 – August 2024
Amami island, KAGOSHIMA, JAPAN.
Flujo de Operación: The project gently explores a sustainable way of living in harmony with the natural environment. Embracing the unique climate and culture of the southern islands, it quietly reexamines what it means to dwell in the modern age.
Miembros del Equipo: KAZUNORI SAKAI（ARCHITECT)
MASAYUKI TAKATA (Structural Engineer)
TOMOHIRO URATA (Garden Designer)
KAZUHIKO HANAI (Lighting Designer)
KAZUNORI KAWAGUCHI (Main Contractor)
MAKOTO TANAKA (Carpenter)
MICHIHIKO MINESHIMA (Electrical Contractor)
YASUNORI SAKAE (Plumbing Contractor）
Créditos de Imagen: TOSHIHISA ISHII