supply air vents
/> The Type of supply air vent is crucial to the way the air is dispersed in a room. With a HRV system you should feel the freshness in a house but not any draughts. The picture below shows a proper supply air vent, this vent push the air across the ceiling , so even if you sat directly under the vent you would not feel any air. There is nothing more uncomfortable than feel a draft of air while in your bed or in your sitting room. Many suppliers use a standard extract vent because they are cheaper but they allow the air to blow straight down from the vent, if you are trying to sit or sleep under this, it will be very annoying.