What is an air purifier and how do I choose the best? Have you ever wondered why air purifiers are becoming so popular these days? A quick search will show you hundreds of articles that swear by this contraption. But do they really work? Are you looking for clean air to breathe? Air purifiers, also known as air cleaners, are one of the most marketed household products in the world today. They claim to “cleanse” the air around you, providing you with clean and pollutant-free air to breathe. Most of the time, advertisements overhype a products’ uses, and when you buy them, you end up getting disappointed. That is not…