The original Leisure Centre was built in 1972 with the pool hall, comprising of a main pool, teaching pool and flexi multipurpose pool. The existing ventilation was 100% fresh air supplied by two original Cyclone fans with the supply air initially heated by steam coils and then latterly by LTHW from the heating system. The extract system comprised of a number of fans located in the roof void extracting the warm pool air to atmosphere. There was no recirculation, leading to a significant loss of heat that, with the right system, could be usefully reclaimed. After a considerable amount of consultation with KVCayr a solution was found that would allow more than 75% of the rejected heat to be recycled and that would not disrupt the operation of the swimming pools during installa

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