Why Outside Air, Not Attic Air? Not all air is created equal. Lossnay only draws fresh air from the outside – it does not draw air from the attic. The absence of significant air movement common in attics means the air is likely to be stale. In addition, build-up of dust, dirt and other contaminants such as mould, insect and rodent droppings makes this air much harder to filter before it is distributed through your home. This is why the Balanced Pressure Lossnay System specifically utilises direct fresh air instead. The Lossnay Core The Balanced Pressure Lossnay Heat Recovery Ventilation System removes stale, dirty air and draws in fresh air from outside. Lossnay also recovers heat energy from the air being transferred to pre-warm (or pre-cool) the fresh air being drawn into your home. Lossnay is ideal for small to large sized homes between 52m2 and 400m2. The stale air extracted from your home is Return Air (RA). Return Air can contain high levels of CO2, odours and other pollutants. This Return Air stream also contains heat energy that Lossnay can recover, which is not the case with positive pressure ventilation systems. As the stale Return Air is removed, the Lossnay Core ‘recovers’ the useful heat energy from it. The air is then exhausted (EA) outside along with the unwanted pollutants. Outdoor Air (OA) is introduced to provide fresh air. It is first filtered, then passed through the Lossnay Core. This allows it be pre-heated in winter (or pre-cooled in summer) using the energy recovered from the Return Air. Supply Air (SA) then enters your house as fresh pre-heated or pre-cooled air. EA Exhaust Air SA Supply Air OA Outdoor Air RA Return Air EA RA OA SA
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