How Do You Compare HEPA Air Purifiers?
If you have allergies or asthma, a high efficiency particulate air purifier, also called a HEPA purifier, will help make your home’s air cleaner and less irritating to your respiratory system. According to Achoo Allergy & Air Products, an air purifier must filter at least 99.7 percent of all particles 0.3 microns or larger to be considered a HEPA system. This means that for the average consumer, a HEPA purifier filters most dust, pollen, mold and dander from the air. Unfortunately, a HEPA purifier is effective only if you buy the right one for your individual needs, so it’s important to shop and compare properly. Compare the cubic feet per minute (CFM) rating between HEPA purifiers. A larger space will require a higher CFM rating to properly filter all of the air. If you purchase a HEPA filter with a CFM that is too low for the room, the filter won’t work right. Conversely, a CFM rating that is too high will consume unneeded energy and raise your electricity bill. Generally speaking, a
