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FAQ Building ventilation

Why do I need heat recovery ventilation (HRV) today?
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Why not just open a window?
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Can you keep your windows open while using a ventilation system?
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How does heat recovery ventilation (HRV) affect my energy consumption?
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Does heat recovery ventilation help me save on my heating bill?
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Does the ventilation system swirl up dust?
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Does heat recovery ventilation (HRV) cause a draught or noise?
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How much dirt develops in the ventilation ducts?
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Can bacteria accumulate in the ventilation duct?
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How are supply and extract ducts installed in the building?
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Is it possible to use a fireplace while running a ventilation system?
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Is it possible to use a fume extraction hood while running ventilation system ?
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Can I connect a fume hood to the extract air system?
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