Energy and Daylight Management

The Energy Effectiveness of Dynamic Façades

A dynamic façade designed following bioclimatic principles is much more efficient than a traditional façade. It is designed to serve as a dynamic filter between the indoor and outdoor environments. Windows fitted with automated sun protection devices filter or manipulate unwanted sunlight and regulate heat exchanges, in tune with the needs of the building occupants. To achieve a high level of performance from a dynamic façade, designers must pay close attention to the building’s purposing – whether it is a hospital, hotel or office for example – and the day-to-day activities of its occupants. These factors will influence the type of shading to be installed and the control strategy to be used.

Dynamic Façades Open New Design Options For Architects

Bioclimatic façades represent a genuine opportunity for architects to dream up new, unconventional and exciting building designs. By designing to address the changing exterior environment, they can introduce the element of time into the appearance of the building. As well, the protective yet flexible properties of a dynamic façade offers new possibilities in window surface coverage and can open up the building to unprecedented amounts of natural light.

Heat Management

Windows are the main interface between the interior and exterior of a building. A façade fitted with dynamic sun protection devices can provide precise control over these exchanges, influencing the way in which heat enters and leaves the building. Automatically controlled solar shading devices keep the building interior cool and optimize the use of solar gain, when desired.

Seasonal Adjustments

Automated sun protection devices are raised or lowered according to changes in the outdoor weather conditions and indoor comfort needs. They react to commands from weather sensors (sunlight and temperature) or control algorithms, according to the occupancy and vacancy periods in the building.

Light Management

Effective natural light management can improve the visual comfort, well-being and productivity of a building’s occupants, while reducing the need for artificial lighting. The fabric and colour selection used in the sun protection devices have a significant effect on the light condition, ambiance and décor of the building interior.

Combination of natural light and artificial lighting

Daylight management – Sun Tracking, daylighting optimization

High Performance Fabrics

Fabric selection is a high priority for SunProject™. We apply scientific and analytical methods when studying the characteristics and performance of shade materials. For example, we have made a comparative study in an office setting using regular and reflective-coated interior solar screens and exterior solar screen materials in eight different locations across North America. The results tell us that more heat generating light can be reflected outward than might be expected, and is quantified further by colour and coating type which impacts the reflectivity factor.

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