How is a portable air conditioner able to function differently from a regular air conditioner?
Regular air conditioners are mounted in a window and bring cool air in while pushing hot air out. Portable air conditioners can be placed anywhere inside the house. Don't they need to push hot air out? How is this possible?

• Watches Buying Guide
• Toys Buying Guide
• Shoes Buying Guide
• Pet Supplies Buying Guide
• Games Buying Guide
• Jewelry Buying Guide
• Hand Tools Buying Guide
• Furniture Buying Guide
• Clothing Buying Guide
• Books Buying Guide