Define your requirement: Number of rooms, size of the rooms of your house, number of family members (as more members more activities more cleaning).
Budget matters: Defining your requirements the filtering already started, the money you will spend matters. Lots of vacuum cleaners are available in the market to save money spend some time in online and off line market, you will definitely find your suitable one without compromising the quality.
Extra features: No need to go for extra features like cord less, blowing, additional car washing, air jetting, etc.
Power matters: More power means better suction. Unnecessary power will force you to spend more money and effect your electric bills too. But selecting the vacuum cleaner of 20 to 30% more power than your requirement will save your precious time as it cleans faster and deeper.
Shape, size and weight: Cleaning with vacuum cleaner does not take place automatically unless until it is a robot, even a robot has it’s own limitations. So, the shape, size and weight of the cleaning machine are as important as the power and the features. Carriable weight, flexible design and reachable size will satisfy for selection and cleaning experience. Now a day’s modern user-friendly design and shapes are available in the market go for your best suitable one.