[Rebelbase]

"''Monday I had my house closed up all day and the air conditioner running because I was concerned and I couldn't find out what was going on. "

Ummm...Me thinks you get some ouside air inside the house when you run the AC.

[survivalforum.com]

Yes, I believe you are right LOL

when you run the AC...I believe the air comes from outside

Franklin
SurvivalForum

[Sawdring]

The only way you are going to get outside air into the house by running your air-conditioner is if you have combustion air in your furnace room and/or opening the door. The refrigeration cycle uses a closed system.