Mixed mode buildings are attracting a considerable amount of interest due to their apparent potential to deliver comfortable, healthy conditions with significant energy and environmental benefits. BRE and WBA are currently engaged in a three year research programme to generate the guidance necessary to achieve the effective integration of various mixed mode strategies into the most appropriate building forms, considering the occupying organisation's mode of operation. The project will culminate in the production of a CIBSE Applications Manual.
As an introductory note, this aims to place the need for cooling for thermal comfort into the context of overall energy efficient building design. Additionally, it stresses the role of ventilation in meeting cooling requirements. Chapters are included on ventilation and cooling requirements; factors affecting cooling load; ventilation and cooling systems; and energy issues in ventilation and cooling, covering space cooling load, plant load and fan energy.
Designing for grille and diffuser noise is of paramount importance. Neil Jarman looks at the data currently provided by manufacturers and provides some design tips.
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