Whether you’re feeling cold or are afraid of getting sick during a flight journey, turning the AC vent off above your seat might not be a good idea. Here’s why:
The experts have revealed that the air vent actually helps one fight the infectious diseases, associated with air travel. The air we breathe and are exposed to, in a flight, is anywhere between 2-5 rows surrounding our seat.
Here’s how the air vent helps:
Each of these sections which are known as temperature control zones receives air from the overhead distribution nozzles flowing through the length of the cabin. The air we breathe exits the flight through a grill that’s usually located below the windows, or where the side walls meet the floor of the flight.
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This air gets combined with the air outside before going through an air filtration system called HEPA (High Efficiency Particulate Air) which clears away dust and microbes before re-entering the flight.
Depending on the aircraft, each zone typically goes through this process 15 to 30 times within 1 hour. HEPA filters are pretty efficient and can remove more than 99% of the dust and microbes present inside the plane.
By turning on the vent, one can build an invisible air barrier that creates turbulence — simultaneously blocking airborne viruses and forcing them to the ground faster.
Till we meet again, safe travels! 🙂
