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Energy Efficient San Francisco Remodel

Zeitgeist Design

Shared By

TeresaPeterson, Zola Windows

Project Name

Energy Efficient San Francisco Remodel

Project Status


Year Completed



3,000 sq. feet


Kumar Residence

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Project Description

The Kumar Residence, nestled in the hills of Belmont, CA is an 1100 square foot addition and remodel of an existing 1950′s mid-century modern ranch house that needed updating, and more living, entertaining, and bedroom space. Their new home, a 4 bedroom, 3 ½ bath 3,000 square foot residence provides the space and elegance they wanted.

Upon entering the house the visitor is greeted with a stunning panorama across the San Francisco Bay. Large fixed windows and a lift-slide door by Zola Windows lead to the deck overlooking the expansive bay view. High visual transmittance glazing (80%) allows for clear views and true color rendition while double pane high-performance European IGUs offer superior thermal insulation from heat loss and excessive solar gain as well as acoustic protection.

The interior space of the home offers loft-style living in a single-family residence. Large sliding doors open to the deck overlooking the bay, and the dramatic roofline defines the kitchen, living and entertaining areas.

The facade and roof is entirely clad in pre-weathered zinc panels, the existing overhangs are trimmed off to create the look of a faceted jewel. The traditional roof lines in the existing part become a dynamic modern roof over the addition that fills the house with light.

The existing low pitch roof was lifted up to 17 feet at the east side like a giant wing, thus opening the new living and kitchen area with a large span ceiling towards impressive panoramic views over the unobstructed outcrop.

The house was remodeled by Zeitgeist Design. Architects Florian Speier and Matthias Troitzsch are originally from Germany, their European sensibilities run throughout the clean, modern project- from the energy-efficient windows and doors to the metal facade wrapping around the entire structure.
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