Stravent delivers air curtains for the main entrances of Ideapark in Lempäälä
Stravent Oy delivers air curtains for the main entrances of Ideapark in Lempäälä. Stravent air curtains provide increased user-friendliness and energy-saving. The contract is for 16 air curtains for a value of over 60,000 €. The air curtains operate in three rows and delivery will take place in autumn 2006.
The Stravent air curtain efficiently reduces loss of heated air resulting from thermal outflow from the building. Up to 80% of the constant downward-flowing air mass is integrated into the natural air circulation of the room, creating an agreeable, draft-free zone close to the entrance.
At the same time Stravent also delivers approximately 170 Stravent cooling cassette fan coils to the shops. The rough-surfaced outer frame of the lockable snap-fix grill of the cassettes is another Stravent technical step forward preventing water condensation, making the device easier and more practical to use.
The decisive issue in the client’s choice of ventilation system (air curtains) was the low energy cost of the stratifying ventilation air curtain technique. Given the importance of energy savings, the choice was naturally Stravent technology.
The Stravent air curtain uses a patented rectifier to eliminate the turbulence usually caused by fans. A dense air stream is directed downwards and, due to optimised jet direction, only a minimal amount of air is needed to reach floor level and still provide good cover for the entrance.
The Stravent air curtain device also works with a standard fan speed. The device includes a “smart valve” allowing adjustments to the air jet, so even an increased effect does not change the air velocity. As the valve opens up, the outlet enlarges, and the broadening air stream provides greater heating with no increase in air velocity. The smooth air stream is hardly perceptible.
The patented Stravent technique creates an effective, silent and draft-free air curtain at entrances using significantly less air than traditional air curtains. Heated outdoor air is always pleasantly directed towards the space that people use. Thanks to the effective laminar flow, the building benefits from up to 80% of the heating energy, operational costs are reduced, and employees and customers are happy too.
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