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Ventilation Solutions for Blocks of Flats

Fläkt Woods ventilation solution for blocks of flats makes clean and high quality indoor climate a certainty. It manages its task silently and unnoticeably, and does this with minimal power and heat consumption. This reliable total solution by Fläkt Woods is based on decades of experience as a developer and manufacturer of ventilation products.


 

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The air handling unit is placed outside the residential area, e.g. in the loft space. The system operation is thus guaranteed to be silent, and it can be maintained and regulated by professional personnel without disturbing the residents.

The centralised system enables the use of low-cost district heating for preheating of supply air, and it can be easily complemented with cooling for the hot periods of summer.

 

Mechanical exhaust air ventilation is just that. Air is sucked out of the home using fans and outdoor air is taken in though slot ventilators in the window frames. The warm used air is sucked out through exhaust air valves in wet rooms and through the kitchen fan. These exhaust air valves are connected by a ducting system from which the air is expelled using an exhaust air fan.

The disadvantage is that outdoor air is untreated when it is taken in, this causes cold draughts in the home when it is cold outside. This often leads to the outdoor air vents being closed and never reopened which results in the ventilation system ceasing to work. Also the outdoor air is not filtered when it comes into the home and so the quality of the air in the home is affected.