Anything that adds material to the air that isn't oxygen, nitrogen, water vapor or argon can be said to be polluting the air. This would include air freshener, cologne, perfume, the aroma of peanut...
No ... their purpose is to transfer the heat from inside to the outside. No harmful chemicals are released to the air in this process unless the A/C system has a leak, in which it would no longer be...
If you mean "on air" as with radio and television, mobile telephones etc., then no they do not. They are part of the electromagnetic spectrum and are transmitted through this. I suppose you could say...
Air conditioners do not pollute the air when working but it is at the time of manufacturing when refrigerant is filled. During dis process some refrigerant escapes to atmosphere and thus for every...
Not sure I understand your question, Velocity is the speed in feet per minute the air is moving. This is usually associated with the duct system. In a room the velocity of the air entering the room...