Case Study

Chedworth

New technology chosen to preserve old technology by The National Trust

Monitoring and control experts Hanwell cool then the system will trigger low impact have recently been part of an innovative heaters which run off a low energy heat pump. piece of conservation instigated by The In addition, internal mechanical vents have National Trust at their oldest building, been used to control the raised CO2 levels the 4th century Romano-British villa at which are generated by crowds and can cause , . stuffiness and stale air.

The villa, originally unearthed in 1864 by Hanwell were chosen to provide the bespoke a Victorian gamekeeper on the site which building control system because of their is near , boasts many early unrivalled reputation for providing bespoke household innovations such as bath houses, monitoring and control systems in the heritage underfloor heating and flushing toilets. properties around the world.

In 2012 the Trust completed a major Hanwell’s Technical Director, Dr Martin project to provide a conservation shelter Hancock, who worked closely with the to cover newly discovered mosaics. As National Trust and consulting engineers part of this work The Trust has had a 21st E3, on the project which took 12 months to century environmental control system complete and install said, ‘To be chosen to installed which suited the conditions utilise modern technology to protect and required to preserve the site but also preserve two thousand year old technology recognised the Trust’s own goal to adopt is a great thrill for Hanwell and adds to our a more Eco friendly approach to their growing portfolio of innovative solutions for building management plans. The system the heritage sector’ works in several stages to check external airflow quality before it is brought into the building to control the ambient temperature. Alternatively, if the temperature inside is too

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HOW IT WORKS

Key

T R T RTransmitter Hanwell MS1000 Panel Temperature sensor T R

RH/T sensorT R (with remote surface probe) T R ReceiverT R Ventilation/Heating

CO2T sensorR T R CR2

TTemperatureR sensor (outdoor)

Ventilation R

MS1000 Panel Heating

RT

CR2 Sensor PC

Sensors Controller & receiver Heating/VentilationVentilation Ventilation Each sensor (temperature, Controller checks predeterminedR The controller sends controlR commands temperature and humidity, CO2 and settings are within boundaries and to the MS1000 panel which in turns sends MS1000 MS1000 remote surface probe wirelessly logs all historical data to local PC Panel commandsHeating to the heating/ventilationPanel Heating transmits data to a local controller. software for analysis. system restoring correct environmental RT conditions.RT

CR2 CR2 Sensor Sensor PC PC

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