Energy loss model with floor slab edges

Building envelope thermal performance is critical for a building’s overall energy budget and for occupant comfort. Our multidisciplinary staff applies multiple analytical tools to evaluate thermal performance of modern curtain walls, unique skins and historic systems. Potential problems such as condensation, thermal bridging, and heat loss can be identified and addressed in design. Our recommendations for glazing types and other materials are based on our in-depth knowledge of their specific performance properties.

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Daylighting model for a Middle East firm

Maximizing the effectiveness of natural daylighting is intricately linked to the materials, forms, and technical detailing of the façade. We use building simulation tools to analyze exterior and interior shading patterns while accounting for surrounding structures, topography, and local solar patterns. Solar control systems such as glazing materials, reflective coatings, low e-coatings and ceramic frits, can play important roles in minimizing heat gain that increases air-conditioning demands. The results of our in-house daylighting analysis, and our skin consultants’ expertise in systems to filter solar radiation, help designers optimize building massing, orientation, glass selection, opening distribution, and use of light shelves and shading devices.

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Transbay Transit Center, San Francisco
Courtesy Transbay Joint Powers Authority

Vegetated (green) roofs are gaining visibility in North America following on a long and safe track record in Europe and elsewhere. They are cool, reducing the urban heat island effect and interior air-conditioning loads, while capturing and potentially re-using rainwater. Our architects and engineers design proper structural supports for these roofs, as well as the extensive or intensive vegetated roof systems themselves, including the critically important waterproofing components. In addition we consult on rainwater capturing and re-use strategies.

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Photovoltaic cells of crystalline silicone

Photovoltaic (PV) solar panels convert solar radiation directly into electricity. Whether installed on a roof or integrated into the skin design, the energy generated by photovoltaic cells can be used directly for the building’s operation and/or fed into a local utility grid. We evaluate the economic viability of photovoltaic applications in a given locale by researching local energy market conditions and renewable energy incentives, local weather data, and availability of qualified manufacturers and installers. In addition we design PV panel support systems and coordinate PV curtain wall integration.

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