Ozone Emissions and Outgassing Any ozone emission, which is a toxic substance, is not desirable regardless of whether the person has allergies, asthma, or multiple chemical sensitivities. We have several small and lightweight air filters which fulfill those criteria. However, you may have needs easy to move model whether for travel or work. Weight and Mobility: Most but not all have casters, so you will be able to push them from room to room. IQAir air filters are easy to change after you've done it a couple of times, but can be difficult the first time. Some of our easiest to change filters, on are the QuitePure, PowerPure, and Blueair. The location and design of some purifier's filters make them difficult to change making most people delay changing them beyond the change dates. The best units allow you to simply pop out a door, pullout the filter and replace it with the new one. It also helps to not changing the filter too late, which is not ideal for health, or too early which can cost money.Įasy Filter Change: The best units are simply the ones requiring no tools to replace filters. CADR is the combination of high filtration efficiency and high airflow.įilter Change Indicator Lights: Indicator lights are extremely helpful in knowing the optimal time to change a filter especially as the machine is usually more accurate. Filtration volume efficiency is important because if you are not passing air through the filter efficiently it will not help or work properly. Look for the AHAM Verifide mark to see if your purifier has certified Clean Air Delivery Rate, CADR.
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CADR rating is reported in cubic feet per minute CFM of 100% particle free air is produced, the higher the number the faster the unit will clean the air. These purifiers continue to perform at high efficiency until a filter change is required.Īir Flow: Clean Air Delivery Rate CADR. More is better and our best trap particulates in one pass at well over 90%. Consider that many will be loud on their highest fan speed setting, buying one rated for a larger room will allow you to run it effectively on lower speeds and have the added benefit of quieter operation.įiltration efficiency: There is a lot of variability in the efficiency and resulting numerical efficiency is the number given to the percentage of particulates trapped in a filter in one single air exchange.
We recommend 5 air exchanges an hour with 2 air exchanges can be considered a minimum all depending on room size. Right Sizing and Space When deciding on a room air purifier, Square feet of a Room is a significant factor when choosing an air filter in order to properly clean the air in a room, you will need to exchange the air in the room several times each hour.
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