Within half-hour, the Coway AP-1512HH Mighty reduced heavy smoke air pollution in a 135-square-foot, 1,215-cubic-foot New York workplace by as much as 99.6%. In past tests, it performed equally well in a 200-square-foot, 1,600-cubic-foot New York City bed room. And once we examined it during ongoing smoke circumstances in a vast Los Angeles convention room of practically 10,000 cubic feet—more than twice as giant as the Mighty’s specs would seemingly allow—it cut particulate air pollution by virtually 70% in an hour.
The HPA300 carried out nicely in our tests however was additionally extraordinarily loud, topping out at 62 decibels on its highest setting and measuring 53 decibels on the upper of its two medium speeds. It’s giant and visually intrusive, too, consisting of a black tower nearly 2 toes tall, 18 inches deep, and 10 inches wide. And it’s fussy to keep up, with three small HEPA filters to exchange and a prefilter that you have to Velcro in exactly the proper place—otherwise it will forestall the duvet from reattaching. This model typically prices solely barely lower than our prime choose for big spaces, the Blueair Blue Pure 211+, which is a more powerful, extra enticing, and quieter machine. In our testing, the machines didn’t match the speedy air cleansing of our current small-space pick, the Levoit Core 300. But they did properly in contrast with other small-space machines we’ve looked at, averaging about 85% removing of smoke particles in 30 minutes on excessive and about 65% in 30 minutes on medium in a room of 200 sq. feet.
Simply beautiful on the surface, full of state-of-the-art innovation on the inside, LG air purifiers function glossy, superior designs for powerful filtration and pure humidification—so you’ll find a way to breathe simpler. In 2017, we also examined the Dyson Pure Hot+Cool Link HP02 for particulate performance within the lab and in our real-world New York condo. It offers two distinct fan functions—diffuse and focused—and we examined it on each features in the lab and in the actual world. John Holecek further tested the Hot+Cool Link for VOC removal within the lab, contemplating that Dyson had applied an improve of its VOC filter since our 2016 check of its predecessor. In each case the HP02 delivered disappointing efficiency relative to our decide.
He additionally measured their power draw on their lowest, medium, and highest settings, using the medium setting to calculate annual power prices. For a general-purpose air air purifier, we look for no much less than 98% removing of smoke particles in 30 minutes on excessive, and no much less than 85% on quiet/medium, in our check rooms. Large-space purifiers should do at least as properly on excessive and top 90% on medium. In 2021 the above criteria left us with 5 new-to-us purifiers to check. This increased the entire number of air purifiers we’ve examined since 2013 to 47—on high of the dozens of rivals we’ve evaluated and dismissed without testing over time.
On medium, running across the clock, they consume solely about $6 of electrical energy per 12 months. Replacement filters price $19, and if you stick to the six-month substitute schedule, they add up to just $171 over the course of 辦公室空氣清淨 5 years. The whole five-year working costs are thus just $200, about 60% lower than the prices of the Levoit Core 300. Add in the Blue Pure 411 models’ quiet operation and beauty, and they are an attractive possibility for small spaces.
But our prime picks from Coway, Winix, and Blueair performed much better. The AirSoap’s claim that it will prevent “thousands” in the value of alternative filters is ridiculous—you’d have to exchange the filter on the Coway AP-1512HH Mighty 20 occasions to achieve even $1,000, that means you’d need to run it for 20 years. And the need to incessantly wash the plates—and, once a year, take the entire machine apart and give it a deep clean—sounds like a hassle quite than a selling point.