With some offices partially resuming onsite employees, the need for a conversation about the importance of air purifiers is now.
Designed to filter pollutants and contaminants from the air that passes through them, air cleaners and filtration systems can significantly help reduce airborne contaminants – including particles containing viruses. Portable air cleaners, commonly referred to as air purifiers, can be of great help when the introduction of outdoor air isn’t possible. That said; it should be noted, underlined and noted again that air cleaning or filtration in of itself is not enough to protect against exposure to the coronavirus. But when used along with other best practice guidelines, indoor air purifiers and filtration systems can be an integral element in reducing the possibility of transmitting the virus that causes COVID-19.
To be effective in an office setting, an air filter needs to be sized appropriately for the room. A small unit in a large open office is not going to do the trick. Sizing things right requires a little math and familiarity with the terms CADR rating and ACH.
Most air purifiers have a CADR or Clean Air Delivery Rating. The easiest way to determine the right size of air purifier for a room is to use the formula CADR x 1.55 = square footage of the room. By following this formula, you should get the quickest air purification results for the room.
ACH stands for air changes per hour which indicates how many times the air in a room of a particular size can be filtered in one hour. An air purifier with an ACH rating less than 2x is probably not going to be too effective, so keep an eye out for a 4x rating to be on the safe side.
Of course, you don’t have to work from an office building to take advantage of the health properties of air cleaning systems. Portable air purifiers, also known as air sanitizers, are designed to filter the air in a single room or small space. These air cleaners have the capability to reduce indoor airborne pollutants, including viruses. Again – they can’t protect someone from catching the coronavirus but can offer some defense against its transmission.
The easiest rule of thumb when choosing an air purifier for the regular or home office is to just follow the manufacturer’s recommendations – they’ll steer you right.
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