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Old Sep 11, 2020, 9:42 am
  #11  
Mountain Explorer
 
Join Date: Jan 2008
Location: SJC/YUL
Programs: DL PM, Marriott Gold
Posts: 3,878
Originally Posted by saaveraward
very interesting explanation. Thanks!
Originally Posted by fly747first
Indeed and another reason to avoid the -200s
So basically you didn't understand the explanation. The CRJ is actually better. Other planes bring in some fresh air, but the rest is recirculated filtered air. Filtered air is pretty decent, but nothing beats fresh outside air. The CRJ uses only fresh outside air
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