what does fresh air brings into the room
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Answer:
Explanation:
Adding fresh air to a heating or cooling system accomplishes two primary indoor air quality goals: It pressurizes a building, and increases indoor air quality by diluting polluted or stale indoor air.
Adding a fresh air inlet to most systems is typically a simple and relatively inexpensive proposition.
Answered by
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Answer:
Oxygen??!
It brings non polluted gas
Explanation:
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