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During the redevelopment of 25/27 Queen Anne Street for the Howard de Walden Estate, architectural practice Andrew Lett Architects specified a radiant chilled ceiling solution from SAS International.
The crisp office scheme in the heart of London’s West End retains a six floor façade dating from 1906. Meanwhile the interior provides a clean modern look with 1,600m² of office space. The radiant chilled ceiling featured factory-fitted apertures for luminaires, removing the need for apertures to be formed on-site, reducing luminaire installation time.
Maximising the floor to ceiling height is a familiar design challenge for this type of redevelopment and this was achieved by minimising the service zone above the ceiling. The SAS International radiant chilled ceiling was key in achieving this.
Derrick Hadeed, Associate at Andrew Lett Associates, commented: “The SAS system provided an elegant and space efficient solution in terms of lighting and cooling integration. This also gave us flexibility in space planning terms, and above all, optimises the feeling of space throughout the office floor-plates.”
Peter Sutcliffe, for the project’s M&E Consultants Scott Wilson, said: “In a project like this, a chilled ceiling solution is a good choice as it frees up space and provides a great degree of flexibility when trying to install the system into a constrained building structure. Also it offers energy efficiency advantages which should not be overlooked.”
Radiant chilled ceilings, chilled beams and Integrated Service Modules (ISMs) from SAS International use water, as opposed to air or refrigerant, as the heat transfer medium. This type of system helps to reduce energy usage due to the system’s comparatively high operating temperature of between 14°C and 17°C, as well as the ability to set up separate cooling zones, ensuring only occupied areas are cooled.
Radiant chilled ceilings, chilled beams and ISMs can be combined with technologies such as free cooling and ground sourcing to increase their energy efficiency even further.
Such reductions in energy demands and carbon emissions can lead to higher EPCs (Energy Performance Certificates), DECs (Display Energy Certificates) and BREEAM (Building Research Establishment’s Environmental Assessment Method) ratings.
SAS radiant chilled ceilings, chilled beams and ISMs provide a sustainable alternative to traditional air conditioning systems, particularly important as we seek to reduce energy usage and carbon emissions.
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