Even though these products are very much practical and we can make use of them all the time, they still do not take up on a lot of energy. Many companies produce air purifiers, which consume minimum energy. These products might cost you a little more, but they will then be saving all your money on the electricity bills. If you do not want to go for them, you can still go for the normal ones, which will not cost you a lot while buying and will not cause a lot of problems afterward either. The air purifiers use such fans which make them very much eco-friendly as they do not throw out harmful gases like air conditioners and other devices and don’t consume a lot of electric charges either. But as they are going to be running all the time in your home, you might want to keep a check on the energy consumption level and make sure that they are not consuming a lot of power. This is a must check before buying your air purifier, so you do not get any issues regarding this later. You can check all these products for their energy consumption or energy-saving stars. Most of the time, the products which use up the least energy are the ones being bought the most instead of the ones which have the most added features.