How do cold air return vents work?

Answer

A cold air return vent works by drawing cold air into the vent and sending it to the furnace where it is warmed and sent to the dwelling through vents in each room.
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Return air vents are the vents that allow air to be sucked into the furnace. Cold air return vents work by cold air being sucked into the furnace. The air goes ...
Cold air return vents work by allowing cool air to be suctioned into a furnace or heating/air conditioning system. The cool air is then heated or cooled, depending ...
A cold air return is a vent which sucks cold air into a furnace so that it can be heated and brought back to a room through a furnace register. It is usually located ...
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