MERV ratings is one of the factors that can help you in choosing the best air filter. It is important that you choose air filter with higher rating preferably from 5 to 14. With this you will be in a position to be benefit from higher efficiency in removing dust. The MERV always rate air filters according to their ability to remove dust and other contaminants. Being that the ratings always start from 1 to 20 you will not expect the filter that is rated 1 to work better than the one that is rated 20 which cannot be in real sense. Apart from that, there are also some tough dusts that can only be removed by air filter with higher rating.
Another thing that you should consider is the cost. Normally the prices are set according to the efficiency of the air filter. As a result, the ones with higher ratings their prices are set high while the ones with lower ranks their prices are set low. It is important that you consider the quality of filter before you could purchase it. You should know that buying cheap filters will just complicate everything but instead you should go for the ones that are affordable but deliver good services. Therefore, it is necessary that you shop around as look for the best deal in the market.
Size of the air filters is also another factor that you should consider. For you to choose the right size you should know the size of the existing air filter. Filters always come with indicated sizes of which you should confirm if not you should just take the measurements. Apart from that, you should also confirm if the filter can fit well in the ventilation.
Another thing that you should check is the size of particles captured. Of which you should choose the one that can capture many dust particles. Even though it is not going to eliminate dust completely but it will reduce the chances of dusting the house frequently.
You should also use the references to find the best air filters. This is important since some of your friends who have experience with filters will tell some of the models they are using. This is one of the surest ways since they have been using the air filter previously.
Another tip is carrying out some online prior research. Browse through the sites of some of the dealers of air filter and you will be able to come up with better results. When you go online you should concentrate on the reviews and the ratings of the air filters.