One of the worst things about a cannister vacuum is dust. If you vacuum in a room with the sun streaming in it can be very eye opening how much dust is being blown into the room and how poor the filter may work. But if you can attach a hose to the exhaust you can vent it out a window leaving...
Built in vacs have many advantages and are often very cheap on the used local market. I was wondering if many people get them for temporary installations. Venting them outside could be accomplished through a window and ducting pointing down so rain doesn't enter. Some insulating value of that...
