If you suffer with asthma or a dust allergy, the filtration system should be an important factor to determining which vacuum cleaner you'll buy. This is because the filtration system will determine the size and number of dust particles that'll be in the air when it is exhausted out of the vacuum.
When you buy a compact vacuum cleaner it's important to think about every possible feature because when space is of the essence, the small details really do count. The best compact vacuum cleaners will come with most (if not all) of the following features.
A high wattage (input power) doesn't always mean better suction because the amount of this power that's turned into air watts (suction or output power) depends to some extent on the vacuum's design and efficiency.