June 19, 2017

Lack of oxygen from the air conditioner setting?

My children first brought this to my attention:  They told me they always felt really tired on our long trips and very sleepy.  They told me it was due to lack of oxygen because I would always turn the A/C on "recirculate".

They might have a point here.  The vehicles today are very good at sealing up wind noise and insulating the interior from heat or cold.  So I guess it would follow that if the air conditioning system was recirculating all it's air, we would be re-breathing the same air.

So this time, on our long trip out and back from our vacation, I left it on outside air(or normal A/C setting), and they actually seemed to do better.

Something to ponder.

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