These will not clean the whole house, but they are good for purifying the air in small rooms. Overall, mid-priced purifiers are the best overall value and the most popular by far. Models for medium rooms are used by many people, but models for large rooms are also affordable and often have excellent CADR (air cleaning efficiency) performance. What is the size of the room in which you plan to use the air purifier? For large, and sometimes even medium-sized rooms, it is always better to carry a more expensive air purifier.
After all, you want to have clean air throughout the room, and not just some parts of the room. For beginners, or anyone who wants to purify a small room or space, cheaper air purifiers are usually more than enough. Cheap models are great if you need an air purifier for a small bedroom, office or small living room. For smaller rooms, there is no need to purchase an expensive unit that covers more than 500 square feet.
In Auto (similar to medium; the Air does not contain a particle counter to adjust to air conditions, but instead asks you to enter the approximate size of your room, after which the machine chooses a fan speed that Molekule deems appropriate), the air performed worse, reducing particles from 0.3 microns in only 18.0% (ambient) and 26.4% (clean). In Silent, it performed even worse, reducing 0.3 micron particles by 6.5% (ambient) and 7.2% (clean). And in Dark plus Auto, with its primary PECO purification system turned off and its fan at the equivalent of a medium setting, it reduced them by 21.3% (ambient) and 18.0% (clean). Interestingly, those numbers closely reflect our results in automatic configuration with the PECO system activated, suggesting the possibility that the Molekule Air depends mainly on its physical prefilter, not its patented PECO mechanism, to remove particles.
In addition, Cabiclean and Durabasics filters fit perfectly into the machine, hermetically sealing their edges to prevent unfiltered air from escaping another important factor in HEPA performance. The Winix 5500-2 is a direct competitor to the Coway AP-1512HH Mighty, having a nearly identical clean air delivery rate (CADR) and offering 5.1 air changes per hour (ACH) in a 350 square foot space. If the air quality is poor and you don't have an air purifier, an HVAC filter attached to a box fan is better than nothing. This air purifier has a HEPA H13 filter that captures 99.97% of contaminants as small as 0.3 microns, and it has a built-in air quality sensor, so you can put it in automatic mode and it will activate as needed.
While not mandatory in the industry, it is often used by the best air purifier manufacturers to give buyers a way to choose the best air purifier based on proven numbers rather than advertising statements. As mentioned earlier, the Clean Air Supply Rate (CADR) is an industry standard rating, based on laboratory testing, that describes the air cleaning effectiveness of an air purifier for particles from 0.10 to 11 microns in size based on the volume of air moving while cleaning. However, Pure Enrichment's PureZone portable air purifier can help improve your car's air quality, helping to eliminate 99.97% of dust, pollen, pet dander, smoke and odors. HEPA air purifiers use fans to blow clean air out of the device, so fans are important components here.
In its Boost configuration, when it was moving the maximum amount of air, the air could reduce 0.3 micron particles by 61.3% under ambient starting conditions and 57.0% under clean starting conditions. Most people don't need an expensive air purifier, it's great to have one if you have special needs or want the best that money can buy, but it's not necessary. Air purifiers will remove dust and other particles from the air, but they will not remove dust or dirt from surfaces. This prevents air from bypassing the filter around the edges and ensures that virtually all of the air drawn through the machine leaks HEPA, a design that is likely to contribute to the Mighty's excellent performance.
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