It works by drawing pure air into the void of the roof or straightaway into the flat where the Positive input ventilation system (PIV) unit filters it. Then, the built-in air heater tempers the filtered air. It is then drawn into the living area. This extra inflow of air leads to the positive air pressure that compels moisture-laden and stale.. PIV units filter the incoming air, removes any particles such as pollen, and then gently releases the fresh air through a central vent into your home at a constant rate to create and supply positive air pressure, resulting in the air in the property being continually diluted, displaced and replaced, creating a healthier indoor air quality..
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The PIV Loft Mounted Unit is a sophisticated whole house positive input ventilation system and
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How Does Positive Input Ventilation Work? Basic Mechanics. The ‘business end’ of a PIV unit typically consists of a fan and a filter. It’s strategically placed, often in a loft or another suitable location, perhaps on an external wall (wall-mounted units are often used in flats and apartments that don’t have a loft area).. Positive Input Ventilation (PIV) is an energy-efficient method of ventilating the home. It pushes out and replaces stale unhealthy air with drier fresh air by gently introducing filtered air into the home and increasing the circulation around the property and improving the indoor air quality (IAQ). Ventilation removes the root cause of.
