Natural Ventilation

Flex Your Façade

Frontside View 381 from Serge Ferrari—as shown here on the FBI regional headquarters car park in San Diego—allows for bio-climatic façades to be re-invented. The mesh membrane can re-invent façades in any color or transparency for new construction, renovation or reuse applications. The open mesh membrane comes in several colors and transparencies to create custom designed façades that help to balance solar heat gain with shading and natural ventilation.

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Vida, 45 Bartlett St., San Francisco

Viva Vida

With its undulating façade and pops of color, the DLR Group/Kwan Henmi-designed Vida 8-story mixed-use building in San Francisco blends style and sustainable design. To support the design’s large openings with deep wall cavities, the architects specified Winco Windows’ 1450 Series 4-in. unitized window wall. In addition, 3.25-in. zero sightline vents provide natural ventilation and clean sightlines. Taken together, the façade reflects the color and texture of the neighborhood’s Latin-influenced murals, craft and culture, and is scaled with respect to the adjacent buildings’ varied heights and setbacks.

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Business School Clears the Air

Washington University business school in St. Louis clears the air with natural ventilation and a five-story glass atrium as the centerpiece of a recent $65M renovation project. Washington University connected two adjoining buildings at the heart of the Olin School of Business with a five-story glass atrium as the centerpiece of a $65M renovation. What had been a shared, open courtyard would now be enclosed space, requiring ventilation and smoke controls. The geometry of the structure would essentially trap smoke in the event of a fire. Maintaining unbroken space and allowing natural light to filter through the atrium and illuminate all five levels below is one of the most welcoming design as

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Cool Breeze

Nashville’s Little Harpeth Brewery discovered that its 10,000-sq.-ft. space became unbearably hot in the warmer months, and it needed to act on its ventilation problem. After launching its microbrewery business two years ago, Little Harpeth Brewery, located in Nashville, Tenn., quickly discovered that its 10,000-sq.-ft. space became unbearably hot in the warmer months. Relying on only barrel fans and box fans for air movement, the large space was sweltering when temperatures and humidity points were high. The stagnant heat was affecting both the staff and the guests visiting the taproom.

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Not Necessarily a ‘Breeze’

Introducing more fresh air into a space is generally a good thing, and there are many ways to do so, but don’t charge in without a well researched plan, warn architects well experienced in the arena. Efficient, comfortable and quiet, designs based on thermal displacement ventilation (TDV) strategies, opposed to conventional overhead, forced-air HVAC systems, have a lot of appeal. That said, according to Erik Ring, P.E., LEED Fellow, principal, LPA Inc. in Irvine, Calif., TDV requires careful coordination, planning and integration between architects, interior designers and mechanical engineers—yet such an integrated design effort unfortunately remains uncommon in the industry. For example, be

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