Ventive: passive ventilation

41823Ventilation in winter carries a penalty in heat loss, even with mechanical heat recovery ventilators which consume electrical power. These systems can also be difficult to retrofit to buildings and cause considerable disturbance.

The Ventive passive ventilation heat recovery (PVHR) system was designed specifically for retrofits, with no moving parts to maintain and no complicated controls. It avoids use of electricity, eliminating energy bills, associated greenhouse gas emissions and other impacts, and is designed to become one with the building fabric.

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