How does a busy shopper find the right size water purifier for the room she wants to clean? The U.S. Centers for Disease Control recommends that you should aim to: 5 air changes per hourIn a metric known as ACH. When looking at air purifiers, look at the cubic feet per minute of airflow on the lowest setting. When measuring the cubic feet of a room, you will need: Room width x height. Imagine a 1-foot cube of Styrofoam. How many cubes can you fit in a room?
Anyone shopping for an air purifier should look for a couple of abbreviations and terms. Look for CARB certification first. This means that the air purifier has passed strict standards. California Air Resources Board. Next, check the filter type. Below we will analyze the differences. Also, don’t forget to unpack the filter! There’s a special kind of fear that comes from realizing that you’ve been operating an air purifier with a HEPA filter packaged in plastic.
HEPA filter: This is High efficiency particulate air filter It can remove at least 99.97% of dust, mold, pollen, bacteria, and airborne particles as small as 0.3 microns. that great option For people suffering from allergies or respiratory problems as it can help remove airborne particles that can cause symptoms such as sneezing, sore throat, difficulty breathing, coughing, etc. However, it is worth noting that HEPA filters do not remove volatile organic compounds from the air like activated carbon filters do. However, these are usually paired with carbon filters.
Activated Carbon: Activated carbon filters (also called activated carbon) very effective This is because their high porosity and large surface area allow the filter to absorb gaseous contaminants, odors, and VOCs. they Best for smoke removalSmoke and airborne chemicals. But this filter needs to be replaced More often depending on circumstances. For example, if there is a wildfire in your area and your air purifier is running more powerfully than usual, it is important to replace the saturated filter to prevent toxic gases from being released back into the air.
Washable air filter: Some of the air purifiers listed in this guide come with washable pre-filters in addition to the commonly found HEPA and/or activated carbon filters. This is the most cost-effective because you don’t have to buy a new filter every time you need to replace it. Simply remove, scrub with soap and water and let dry.
UV-C Disinfectant Filter: Ultraviolet filters use ultraviolet light to kill viruses, parasites, mold spores, and bacteria. them cannot be removed Because they are airborne particulate, VOC or gaseous contaminants, they are only fully effective when combined with a HEPA filter. According to US Environmental Protection AgencyUV lights without proper lamp coating have the potential to emit ozone. I recommend checking it out this list Selected by the Home Appliance Manufacturers Association for air purifiers found to emit little or no ozone.