Portable shelters.

[Miriam C.]

http://weburbanist.com/2007/08/01/creat ... -shelters/

 

[Colemancooler]

I am a HVAC professional and I have no idea what "building waste air" is, in regards to the inflatable shelter

 

[Socal Tom]

I am a HVAC professional and I have no idea what "building waste air" is, in regards to the inflatable shelter

I think you would call exhaust air. The problem is most of that air is not safe to breath for a long period of time. It can be full of carbon monoxide from idling engines, or stoves and gas burners. Probably not a good idea to sleep under a plastic tube full of it.
Tom

 

[Colemancooler]

I was wondering about that thank you. Usually that is dumped on the roof to keep it away from people