Itomachi Hotel 0

Japan's  First Zero-Energy Hotel
In recent years, energy conservation and carbon reduction have become central global environmental issues, and the hospitality industry has increasingly embraced eco-friendly architectural design. One notable example is the Itomachi Hotel 0, designed by Kengo Kuma & Associates, located in Ehime Prefecture. It stands as Japan’s first zero-energy hotel, setting a new standard for environmental sustainability in the country.

A Harmonious Blend with Nature
Located in Saijo City, Ehime Prefecture, Itomachi Hotel 0 seamlessly integrates natural beauty with modern architecture, bringing vitality to the local town. The hotel comprises three buildings: a two-story Reception Café, the Hotel building, and a standalone Villa with an outdoor hot spring. With a total of 57 rooms, the hotel offers 50 rooms in four different types within the Hotel building, and 7 villa rooms featuring private outdoor baths. The design features a continuous, sloped wooden roof that echoes the nearby Mount Ishizuchi, while the central courtyard, with a spring-fed pond, symbolizes Saijo’s natural spring “Uchiki,” creating a serene garden atmosphere to welcome guests.

Zero-Energy Design for Sustainability
To achieve its zero-energy goal, the hotel features double-glazed windows for better insulation and energy-efficient systems. Additionally, solar panels are installed on the roof to generate self-sustaining energy. This forward-thinking approach earned Itomachi Hotel 0 certification as a Zero Carbon Emission Building (ZEB) by Japan’s Ministry of the Environment, establishing it as a model of eco-friendly design.

Interior Design Inspired by Local Nature
Dugout Architects, responsible for the interior and landscape design, drew inspiration from the local natural spring "Uchiki" and Iyo Aoshima stone. These elements, combined with wood, create a soft, light color palette that harmonizes the interior with the surrounding natural landscape. The hotel’s restaurant and café use locally sourced seasonal vegetables and fruits from Ehime Prefecture, adhering to Japan’s national nutrition standards set by the Ministry of Health, Labour, and Welfare. This commitment to local sourcing offers guests a sensory experience that connects them to the region's culture and flavors.

Sustainable Wood: A Key Element of Eco-Friendly Architecture
The establishment of Itomachi Hotel 0 highlights the use of natural wood as a green building material. Wood, as a carbon-negative material, stores carbon, offering a significant advantage over steel and concrete in reducing greenhouse gas emissions. Unlike traditional construction materials, wood requires less energy for heating and cooling, making it more energy-efficient. Furthermore, wood can naturally decompose after its use, reducing waste and contributing to the principles of waste reduction, reuse, and recycling.

A Green Future for Global Environmental Protection
Itomachi Hotel 0 injects new vitality into global environmental protection by embracing sustainable design and wood as a primary building material. Its innovative approach serves as a call for more industries to invest in sustainable development and green initiatives for a better future.

References:
https://www.wowlavie.com/article/ae2301090
https://itomachihotel-0.com/