Henley Leisure Centre

Henley Leisure Centre offers the local community a large range of facilities including a 50 station gym, 25m swimming pool, separate cycling and dance studios with over 20 classes per week.


The existing ventilation system serving the swimming pool was difficult to access and maintain on the roof of the building, had reached the end its life and was failing to control conditions in the pool hall. 

The existing equipment used direct fired gas heater units, which wasn’t ideal for pool applications and the existing poolside ductwork was in poor order.  Dantherm’s Site Services Manager, Rob Tilbury, designed and proposed an alternative ventilation system which addressed all these issues, and put forward a ‘turnkey’ package to strip-out the existing and install a low energy packaged system within a ground level compound, while allowing the pool to remain open for business, which was important for the operators GLL, at this popular leisure centre.

Dantherm regularly deliver  swimming ventilation ‘turnkey’ installations around the country and are used to working closely with local authorities and centre management to deliver projects on time, safely and with minimal impact on business. In this instance, Dantherms Project Manager, Rob Renton, liaised closely with both South Oxfordshire Council and Leisure Operator, GLL, to minimise the impact of the works at this popular facility.


The ground level secure enclosure greatly improves access for maintenance and the new low energy DanX air handling unit is specifically designed for corrosive swimming pool applications. The compound incorporates a painted steel lockable door, concrete slab oversite and acoustic enclosure. Twin condensing boilers connected to a low loss header and system control panel, are contained within a weatherproof housing.

The close coupled designated boilers provide very efficient heating, combined with a  DanX heat recovery air handling unit and Dantherm’s ultra- low energy demand based control strategy, prove a very energy efficient solution. The new DanX delivers precise control of pool hall conditions for swimmers comfort, but also protects the décor from mould & corrosion and  reduces evaporation from the pool, thus reducing running costs. The new fabric duct in the pool hall not only looks great but is now accessible from poolside rather than running over the centre of the pool. 

Rob Tilbury says “It was challenging to find the very best solution for this refurbishment project and I am very pleased with the final result and how well the project was delivered, and look forward to working with South Oxfordshire and GLL on the next project at Abingdon.”

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