Modern Atrium House by Klopf Architecture: A Harmonious Blend of Mid-Century Inspiration and Sustainable Design

  • Project: Modern Atrium House
  • Architect: Klopf Architecture
  • Location: United States, Belmont, California
  • Year: 2015
  • Area: 201 m2
  • Photography: Mariko Reed

Nestled in the serene hills of Belmont, California, the Modern Atrium House by Klopf Architecture stands as a testament to the seamless integration of mid-century modern aesthetics with 21st-century sustainability. Completed in 2015, this residence was envisioned for a family of three seeking a home that resonates with nature while embracing modern living standards.

Design Philosophy and Architectural Layout

Drawing inspiration from Eichler homes, the design replaces a dilapidated 1940s structure, introducing a fresh, energy-efficient dwelling that aligns with the gentle slope of the hillside. The overarching post-and-beam roof establishes a consistent datum line, while the interior spaces step down in harmony with the terrain, enhancing the connection between the indoors and the surrounding landscape.

A central stacked stone fireplace chimney, extending through a skylight, serves as a focal point, juxtaposing the home’s calm composure with a touch of architectural drama. The four-foot-wide beam bays create a rational layout, fostering a sense of order and tranquility throughout the space.

Seamless Indoor-Outdoor Integration

Upon entry, visitors are greeted by a foyer offering glimpses of the continuous roofline, leading to an atrium on the right and expansive views of the rear yard ahead. The home’s design emphasizes indoor-outdoor living, with large glass walls and sliding doors that blur the boundaries between interior spaces and the lush, natural surroundings. The living room, characterized by its openness and connection to the outdoors, exemplifies this design ethos.

Sustainable Features and Energy Efficiency

The Modern Atrium House showcases a commitment to sustainability, incorporating:

  • Super-insulated walls and roof, ensuring optimal thermal performance.

  • Heat-mirror glass in areas where shading isn’t feasible, reducing heat gain and eliminating the need for air conditioning.

  • Thermally broken aluminum frames for windows and sliding doors, enhancing insulation.

  • An in-floor radiant heating system embedded in a separate, insulated slab, providing efficient and consistent warmth.

These features collectively enable the home to exceed California’s stringent energy code requirements by nearly 40%, underscoring Klopf Architecture’s dedication to environmentally conscious design.

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Posted by Klopf Architecture

Klopf Architecture is a San Francisco–based firm founded by John Klopf, specializing in modern residential design with a strong focus on mid-century modern renovations, particularly Eichler homes. Known for its “bringing the outside in” philosophy, the studio emphasizes natural light, clean lines, and seamless indoor-outdoor connections. The firm also integrates sustainable, energy-efficient strategies into every project, often targeting net-zero energy performance. Klopf Architecture is celebrated for its client-focused approach and refined, livable modern spaces.