“Important as air” is said about something that is vitally important. Air is one of the most important elements, necessary for life to exist. Without it we would only survive for a couple of minutes. However, in addition to vital oxygen, there are other gases in the air: nitrogen dioxide (NO2), sulfur dioxide (SO2), carbon monoxide (CO) and dioxide (CO2), ozone (O3), other particles (dust, smoke, ash, salts), microorganisms (molds, bacteria and viruses), pollen, carcinogenic substances, moisture.

All these materials are volatile and therefore enter the premises through open windows, doors, ventilation systems. Due to insufficient ventilation, moisture builds up and with it so does mold and dust mites. One may smell chemicals left over from cleaning, other odors, there is a lot of dust as well. Such conditions are very damaging to health, especially for the elderly and children because it leads to a reduced disease resistance, various allergies, migraine, sleep deprivation and feeling of being sick. Spending a lot of time in contaminated air gives rise to a variety of chronic respiratory, circulatory, or even oncological diseases.


According to various studies, a person spends up to 80 percent of time inside the premises, so it is vitally important to keep the air clean there. Whether it is a dwelling or an office, it needs to be constantly ventilated so that the air inside is replaced with new, fresh air. Insufficient ventilation over a longer period of time increases the number of microbes, humidity, dust in the air, oxygen level drops (especially when more people are in the room – having a meeting, large group of friends visit, etc.).



Technical regulations for construction stipulate that the air in living quarters must be renewed once every three hours. This ensures the necessary indoor air quality. Air change should be more intense in case of smoking or excercising in the premises.

There is no need to open windows - the room does not cool down, drafts do not form

Heat recovery ventilation retains up to 90% of the heat energy

The fresh air that is supplied to the room by a heat recovery ventilation device naturally warms up or cools down reducing energy consumption of heating or cooling

High efficiency filters clean the supplied outside air

Ventilation intensity can be adjusted, device will choose the optimal ventilation mode according to indoor and outdoor temperatures

Mounted over the bathroom ceiling, the device is invisible and almost inaudible


New, high-energy class homes are incomparably tighter than those built 10 or more years ago to save as much heat as possible. Because of their tightness, ventilation is necessary, but ventilating the rooms by opening windows is ineffective, hence not recommended. In winter, expensive heat is discharged through the windows, and in the summer – coolness. Therefore, the best way to ventilate is a mechanical ventilation system with heat recovery that ensures constant air supply to the premises, while retaining the heat energy.

While ventilating naturally dust, pollen and insects enter the premises together with fresh air. Ventilation system filters the air, its efficient filters trap dust, pollen and other solid particles.

The risk of getting ill inceases when windows are opened for ventilation during the winter

Energy loss occurs – in winter the house needs extra heating and in summer - extra cooling

Air is not cleaned and filtered, dust and insects may enter the premises

It can be dangerous to open windows or balconies when it‘s windy outside, heavily raining or snowing

When temperatures outdoors and indoors are similar, ventilation doesn‘t occur even if windows are open

Noise level increases when windows or balconies are open

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