Many consumers of air purifier are ignorant of how it works and the features to look for when they want to buy it. What you will get in this write-up are useful tips on buying air purifier and the characteristics of the right air purifier. Furthermore, some hard-to-grasp terms will be explained in this write-up.

The MERV (Minimum Efficiency Reporting Value) rating is what is often used to gauge the efficiency of the air purifiers produced by manufacturers. This rating is very popular in the industry. Thus, it can be used as you compare the different brands of air purifiers you come across. The MERV rating is measured form 1 to 16. Therefore, an air purifier is only referred to as being more efficient if has a high MERV rating.Many of the manufacturers of air purifier do indicate the MERV rating on their product. If the rating is from 6 upward, then the air purifier is considered good.

The CADR level is known as the clean air delivery rate which is used to judge the rate of delivered clean air. Are you asking how the manufacturers of air purifiers measure this and arrive at the numbers? It is accomplished by measuring the processing air volume of the 3 popular airborne particles of the atmosphere and these are smoke, dust and pollen. For any contaminant, the higher the CADR level, the more efficient it will be at processing the contaminant. Thus it is recommended that you choose an air purifier that has a high CADR number for all three components.

Another factor you should take a look at is the air filter of the air purifier when you shopping.Since you will be replacing it often, it is good for you to look at the prices of replacement air filter.

Do you want to purchase a pricey or cheap air purifier'If you are looking for a better air purifier, then it is advisable to get a genuine air filter as they are more reliable and will not harm your air purifier. But if you can't afford expensive air purifier, it is good to acquire OEM air filters.