About ventilation

Fresh Air Heat Recovery Ventilation

Retains Heat to Pre-warm Incoming Air

Rather than going to waste, Lossnay’s unique Heat Recovery Technology collects up to 86% of the heat energy in outgoing air which is then used to pre-warm or cool the fresh air vented in. In doing so, moisture build up in your home is minimised while healthy humidity levels are maintained and managed in the most energy efficient way possible.

Bring Fresh Air in Without Draughts

With Lossnay, the optimum number of air changes are regulated to ensure there are no draughts, minimises temperature fluctuations when additional fresh air is introduced. This is important as too many air changes will lead to dramatic drops in indoor temperature that require unnecessary additional heating.

See How Much Energy is Recovered From the Outgoing Stale Air

The App displays the real‑time percentage of heat recovered.

Rather than going to waste, Lossnay's unique Heat Recovery Technology recovers up to 92%^* of the heat energy in the outgoing air, which is then used to pre‑warm or pre-cool the incoming fresh air.

In doing so, moisture build‑up in your home is minimised, while healthy humidity levels are maintained and managed in the most energy efficient way possible.

In this example, an average of 92% heat recovery is achieved at low fan speed.
The incoming fresh air is pre-warmed by 14.7°C using the heat from the outgoing stale air.
As a result, the incoming supply air temperature is raised to 19.7°C.
If the desired indoor room temperature is 21°C, the primary heat source will only need to increase the fresh air temperature by 1.3°C.

^*VL-500 on lowest fan speed and based on winter conditions.