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Passivent launches new pre-warming system

Thermal Aircool combines the company’s natural ventilators with an integrated air flow heater coil. An ‘off-coil’ sensor within the unit monitors the temperature inside for accurate control of the supply air temperature.

In colder weather, the external air is pre-warmed as it enters the internal space at low level. When air temperatures inside and out are less disparate, Aircool provides unheated air, drawing fresh external air into the building.