Bagless vacuum cleaners are by far the most popular choice. Contrary to popular belief however, a bagless vacuum cleaner will not necessarily perform better than a bagged vacuum. A bagged vacuum can also be the best choice if you or anyone in the household is asthmatic or suffers with a dust allergy. Before you buy, knowing the advantages and disadvantages of bag vs bagless vacuum cleaners can ensure you choose a vacuum best for you.
Having a vacuum that's specially designed for pet hair is essential for keeping the house clean and fresh, and ensuring that when you vacuum, the pet hairs and allergens are actually being picked up.
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.