Air conditioner filters keep the air clean in a room. But, besides this they also improve the efficiency of an air conditioner. There are several types of air filters that are available in the market. Some of them are –

1. Electronic air filters -

They are very suitable for people those who have allergies. They have the ability to remove the contaminants present in air to about 95%. They are very effective in their function. But, they could prove quite expensive. The electronic units could be again used and there is no requirement of replacement.

2. HEPA air filters – They have the ability of trapping contaminants having the width equivalent to human air. They easily remove the contaminants present in air to about 99.97%. This makes them very efficient in their use. They are useful for those people who wish to have cleanest air or have got allergies.

3. Specialized air filters – They are used for performing certain specific functions like for prevention or removal of odor present in air.

The choice of an air filter should be made depending on your requirement.