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In the shadow of one of the largest parks in Europe, Lednice is home to a unique castle greenhouse, dating back to the mid-19th century. This impressive architectural monument is not only home to exotic plants, but also a witness to the technical advances and cultural heritage that shape its significance for today and the future. The year 2025 brought a moment of crisis when its existence was threatened due to a malfunction in the heating system, which prompted urgent action to save and restore it. This battle against time shows how important it is to preserve historical buildings and care for cultural monuments that connect past generations with the present.
The Castle Greenhouse in Lednice was built between 1843 and 1845 on the site of the original orangery and has since then demonstrated a unique combination of technical mastery and aesthetic culture. Measuring a full 92 metres long, 13 metres wide and 7.5 metres high, it is a monumental structure of its time that still fascinates experts and visitors today. The building materials and technologies used in its construction were significantly revolutionary, confirming its status as a marvel of 19th-century technology. The highest tower of the brick chimney, where careful restoration is currently underway, is not only a practical part of the heating system, but also an important architectural element of the entire building.
The beginning of 2025 brought a serious situation: one of the main gas boilers failed, which meant a real threat to the temperature conditions necessary for the preservation of exotic vegetation. The response was quick and professional. Almeva, a specialist in flue gas systems, offered an innovative solution by installing modern gas condensing boilers, which brought a significant reduction in heat losses and emissions. The comprehensive examination and reconstruction of the flue gas route also included the discovery of the original brick shaft and valuable artifacts hidden under the castle, which contributed to a deeper understanding of the entire heating system in a historical context.
The castle greenhouse is not just a technical monument or a historical curiosity, it is a living part of the cultural heritage that mediates the connection between the past and the future. Caring for such a complex requires not only knowledge of history and architecture, but also an innovative approach to restoration and maintenance. Since the greenhouse hosts rare tropical vegetation, its heating and proper technical operating conditions are essential to protect this cultural and natural treasure.
Beneath the surface of the castle greenhouse is a network of tunnels and ancient heating channels that carry the stories of previous generations. This technical genius is intertwined with the living memory of the place, where even the local bats are closely watching the revitalization process. Saving this monument is a challenge that resonates with the entire community and moves the values of culture and history forward. For visitors and researchers, the path is open to discovering a new side of the famous Lednice Castle, which offers much more than just traditional tours — whether it is famous buildings such as the minaret, the Roman aqueduct or the artificial ruins of Jan’s Castle.
Modern interventions in the heating system were based on deep respect for tradition and respect for the requirements of the present day. The installation of the ALMEVA STARR plastic flue and stainless steel chimney uses the latest technology to ensure perfect tightness and long-term operability, which is key to ensuring a stable climate inside the greenhouse and thus for plant protection. These technologies represent a bridge between history and the future, confirming that conservation is not just about preservation, but also about adaptation and innovation.
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Léa Verdier je milovnice přírody a vášnivá zahradnice, která sdílí své objevy, ekologické tipy a inspiraci pro udržitelný život. Jejím cílem je ukázat, že péče o zahradu znamená i péči o sebe a o planetu.
