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ขนาดเล็กกะทัดรัดสามารถวางไว้ได้หลายที่ หลายมุม
The shortage of oversight is a priority — you are depending on suppliers to conduct and report on these filter checks accurately, Based on our professionals.
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We normalize the examination information so that every equipment’s peak reading through of 0.three-micron particles signifies the utmost particulate load it confronted. We describe its overall effectiveness as its maximum reduction of particulates relative to that load.
But there’s a offer-breaking caveat. On that setting, the Air Professional emitted an earsplitting seventy one decibels, calculated from the length of six feet. That’s by far the loudest of any purifier we’ve examined, and It could be Completely unlivable in authentic-planet use.
Within a individual exam, we use the highest location the machine can run whilst trying to keep the sounds beneath 50 decibels; That is round the higher limit of what could be tolerable for standard discussion, seeing Tv set, or sleeping.
Several NBC Pick staffers have used air purifiers For a long time to fight dust, pet dander, wildfire smoke plus much more. We spoke with health and filtration experts to higher comprehend air excellent and suggestions on what you have to know in advance of acquiring an air purifier.
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We take a look at new and old devices. When retesting our present air-purifier picks, we get 4 measurements—two utilizing the previous filters and two using new filters—to find out how (or if) their overall performance changed eventually.
สามารถพกไปได้ทุกที่ ขนาดเล็กกะทัดรัด
At Find, we operate with industry experts which have specialised awareness and authority based on relevant education and/or practical experience. We also just take actions to guarantee all professional suggestions and suggestions are made independently and without having undisclosed fiscal conflicts of fascination.
Just one purifier for each place is best. Purifiers get the job done best inside of a contiguous House; if you wish to clean the air in both equally the lounge and a Bed room, such as, it’s best to acquire a purifier for click here each area or to move only one purifier close to along with you.
The venerable Winix 5500-2 performed just and also the Coway Mighty within our testing. Both of those machines are in the same way quiet, as well as 5500-2 normally sells for the bit fewer than the Mighty. It’s not our top rated choose for quite a few good reasons: It’s more substantial and (to most eyes) not as appealing; it lacks a Screen-shutoff feature, other than when it’s on its least expensive enthusiast placing; and it attracts additional electricity, contributing to a bit bigger working expenditures.