住宅設計｜美國-Hammock House 悠憩之屋

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[hammock] a stand of trees, usually hardwood, growing on elevated areas in the southeastern region of the United States.

Hammock House is a single-family residence designed for a site gifted with a mature and thick oak hammock. The property has over 30 live oaks which form a green and lush envelope for the home to reside within.

The objective for the design is to create an architecture that is transparent while also feeling grounded and permanent. An outdoor contemplation pavilion from which to see and feel the nature around it. The house is to tread lightly on the site to minimize the disturbance to the grounds and existing foliage. We maintained the existing tree footprint and canopy and tucked our structure within and below the space these magnificent trees create. The house contrasts its precious and delicate canopy, yet retains an organic form, constructed from sturdy materials with a rugged texture.

The home is sustainable by the design, systems used, and materials specified. The house is situated to take advantage of sunlight, prevailing breezes and shade. It is designed to cross ventilate and be illuminated with natural daylight throughout. Strategic use of overhangs protects the openings and spaces within from direct sunlight and falling rain. The site design takes advantage of the natural conditions and reduces the need for cooling, artificial illumination, and risks associated with water intrusion. We employed high performance insulation to prevent heat gain from the outside and reduce the cooling load during the hot months. Every system was evaluated to meet conservation and efficiency goals including energy efficient windows, low-flow plumbing fixtures, LED lighting and smart controls and a mix of light colored roofing and green roof planters to reduce heat absorbed by the house. We also specified materials that are sustainably grown and/or procured, that are healthy for the users and that have long life spans, thus reducing waste. The landscaping was also a critical part of the sustainability design. Apart from serving as a beautiful grounds mimicking the canopy above, we used native landscaping to help reduce the need for irrigation throughout.

「Hammock」一詞在此並非指吊床，而是美國東南部高地上一種由硬木樹種構成的樹林地貌。Hammock House 坐落於一塊擁有成熟橡樹群的基地之上，場地內保留了三十多棵活橡樹，茂密的樹冠交織出豐富而蔥鬱的綠意，也為住宅營造出與自然緊密相連的生活環境。

本案旨在打造一座兼具通透感與永恆性的住宅，如同一座向自然敞開的戶外冥想亭，讓居住者能夠沉浸於周遭景觀之中，感受四季流轉與光影變化。設計過程中特別強調與基地的和諧共生，盡可能降低對地表及既有植栽的干擾。建築團隊完整保留了原有樹木的輪廓與樹冠，並將建築量體巧妙嵌入由參天古樹所形塑的空間之中。住宅以俐落且堅實的姿態與輕盈細緻的樹冠形成對比，同時維持順應自然的尺度與形態，並選用耐久且質樸的建材，展現歷久彌新的建築質感。

住宅的整體規劃、系統配置與材料選擇皆以永續理念為核心。基地配置充分考量日照、微風與天然遮蔭條件，建築則透過完善的交叉通風設計與充足的自然採光，降低對機械設備的依賴。大面積懸挑結構不僅強化建築表現，也有效保護室內空間及開口免受烈日曝曬與雨水侵襲。藉由順應自然環境的場地規劃，住宅得以減少空調與人工照明需求，同時降低雨水滲入的風險。

在建築性能方面，採用高效能隔熱系統，有效阻隔外部熱能進入室內，減輕夏季冷房負荷。所有設備與系統皆經過審慎評估，以達成節能與高效率目標，包括高性能節能窗、節水衛浴設備、LED 照明及智慧控制系統。此外，淺色屋頂結合綠屋頂花壇設計，可進一步降低熱量吸收，改善建築微氣候。建材方面，優先選用永續栽植或負責任採購的材料，不僅有益居住者健康，也具備優異耐久性，能有效減少資源浪費。景觀設計同樣是永續策略的重要一環。除了營造與上方樹冠相互呼應的庭院空間外，基地亦大量種植原生植物，以降低灌溉需求，讓建築與自然環境形成長久而平衡的共生關係。