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Trombe Walls and Polycarbonate Panels in a Nature-Focused Visitor Center

Author:
Manuel Alejandro Martinez Guajardo
Trombe Walls and Polycarbonate Panels in a Nature-Focused Visitor Center
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Using trombe walls for passive heating and polycarbonate panels for durable, natural lighting, the visitor center provides an engaging space for exploration and education within the Kemeri Bog landscape.
5 key facts about this project
01
Use of trombe walls for efficient passive heating.
02
Incorporation of rainwater harvesting systems for sustainability.
03
Polycarbonate panels provide natural light while minimizing vandalism.
04
Visitor areas designed to blend seamlessly with the natural landscape.
05
Locally sourced wood enhances environmental responsibility and cultural connection.

The Kemeri Bog Visitor Center is located within the coniferous forest of Kemeri, Latvia. It serves as an important entry point to the Kemeri Bog Boardwalk. The design emphasizes a close relationship between the building and its natural surroundings, aiming to create a welcoming environment for visitors. The center is intended to provide essential facilities while respecting the ecological context in which it is placed.

Architectural Concept

The design of the visitor center is inspired by the surrounding landscape, with careful consideration of sunlight and wind patterns. The building features a modern take on traditional Latvian gable roofs, which adds cultural significance to its contemporary appearance. By positioning the center in relation to the towering pine trees on the site, the design not only respects the local environment but also enhances the visitor experience.

Functional Layout

Inside the center, a variety of spaces cater to different visitor needs. These include parking areas for visitors and buses, engaging recreational spaces like a football field and playground, as well as essential facilities such as restrooms and a café. This thoughtful arrangement makes the center a multifunctional space, encouraging people to interact with nature and with each other.

Environmental Integration

Sustainability is an important aspect of the design. A rainwater harvesting system helps reduce the building’s ecological footprint, while passive heating is achieved through the incorporation of a trombe wall in the lower section. By focusing on southern orientation for optimal solar exposure, the design aims to improve energy efficiency and promote a responsible approach to environmental care.

Materiality and Detailing

The materials chosen for the project reflect both practical needs and the local context. Locally sourced wood serves as the main construction material, connecting the building with its surroundings. Concrete flooring adds thermal mass, allowing for efficient passive heating. Polycarbonate panels create a lightweight facade that lets in natural light while offering protection from the elements. Together, these materials work to achieve a design that is functional and visually appealing.

Overhanging roofs at the entrance provide shelter and create inviting spaces for outdoor gatherings. This design detail draws visitors into the building while enhancing the connection between the interior and the wide-open spaces of nature beyond.

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Kingspan MICROHOME 2026: Building Less to Create More

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The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

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