Many have experienced it a few times in our lives. Moving a vacuum cleaner up and down the stairs. Trying to reach under and in-between furniture. Studying a room after putting the vacuum cleaner back and getting an odd feeling that the room is dustier. Worst of all, going back to the stores every few years to buy another vacuum cleaner because the old one spoiled. Fitting a central vacuum system is the solution to all these issues. Why, then, don't many individuals own one? The truth is, even ...