The air conditioner is able to remove the moisture from an enclosed space, while also dehumidifying it and creating a comfortable ambience. Dual-hose air conditioners do not create a negative gradient of pressure, so they will not bring warm air from outside into the room. New ductwork and electricity may also be needed. There are a few key differences between portable AC units and window AC units. It is easy to install the stand-alone unit because it does not protrude out of the window. These air conditioners are capable of cooling down a room, if they don't the entire house. This is because they do not lose cool air via ductwork, as central air conditioning systems do. Many apartment buildings and HOAs as well as city ordinances forbid you from having a window air conditioning. Also, if your passion is going on adventure trips, camping etc., this is the best thing that you can have!You can carry the portable AC with you on your travels and set it up in the camp easily. Certain types such as casement Windows may not work well with portable units. This allows you to move them quickly and easily without having to struggle. They are not as energy efficient as their larger counterparts and do not cool as well. This process doesn't produce a negative-pressure gradient like air conditioners with a single hose. This makes it a great alternative for saving money and space. A portable AC is the perfect solution if you cannot install a regular AC system in your house.