As for window units, well, moving them around is entirely out of your question. Another option is to use a room where high is actually not an issue, for a storage place in your home. Having said that doesn't have to be a window it's any hole leading to outside. They're mobile, trouble free and incredibly easier to install than it be should would invest a window unit.
It will not require associated with electricity and they have the efficiency to cool the space of to a max of 400 square.ft. A general rule of thumb that most people use is, to your room that measures 150 sq ft, one will require a unit with an energy of 7,500 BTU's. At just $395, it could cool a room of about 300 to 400 sq ft. It won't require daily emptying of a drain serving.
Most have wheels or casters on the bottom build them simple move from one part of the home a brand new. So if you are looking a good inexpensive strategy to cool household office, bedroom, or family room, look at a portable airconditioner. Right away, I notice you, I advise for you to buy a 5000 BTU or 7000 BTU product.