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The bottom line is that it's an efficient, full-room heater. You can read more about how it stacks up against other space heaters in that guide. I recently wrote an in-depth guide to the best space heaters, where I tested eight models including the Dyson, which I named a top pick. While the Environmental Protection Agency (EPA) says that air purifiers can provide ventilation and reduce virus-containing particles, it recommends using filtration devices in conjunction with distancing and safety measures outlined by the Centers for Disease Control and Prevention (CDC). The Dyson also can't tell you if there are virus particles - like the novel coronavirus - in your home. However, a standalone air purifier with HEPA filters to trap dust and carbon filters for smoke and odors, like the Dyson, can be a decent alternative if that's not an option. Buckley recommends an HVAC air purification system built into the ductwork for the biggest improvement to air quality. Most air purifier units also can't treat your whole home, and aren't effective at eliminating molds. He added that any air purifier - even a high-tech one like the Dyson - can't remove dust settled on surfaces or crevices. "Many homes built after the 1970s have been designed in a way that contributes to 'tight home syndrome,' which means dirty and stale air is locked in your home," he said. I spoke with Bryan Buckley, HVAC expert and brand manager of One Hour Heating & Air Conditioning, who said that home design and layout can contribute to poor air quality. While I've anecdotally noticed a difference in the air quality in my house, including fewer asthma flare-ups, I wanted to get an expert's opinion about how effective air purifiers like the Dyson are. You can see how it quickly increases airflow and brings the air quality back to safe levels.
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The device detected a VO2 level spike when I was cooking dinner and using my oven-no windows open and no fan on. It provides a bigger, more readable graph view of all the pollutants at once, and you can easily change the settings without even being in the same room. You can see the action in real time from the unit's built-in screen, but I prefer to use the app from my smartphone. The Dyson works quickly to remove these substances from the air. These four groups encompass most household irritants like pollen, smoke, burning candles, industrial pollutants, cooking odors, fragrances, cleaning products, and combustion from cars or gas-powered appliances. The Dyson detects four main air pollutants: particulate matter (PM) 2.5, PM10, volatile organic compounds (VOCs), and nitrogen dioxide (NO2) and oxidizing gases.
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It turns out that it's a bit more nuanced than that.ĭifferent compounds and noxious substances hang in the air, including small particles and harmful odors that can enter your lungs and exacerbate allergies or breathing issues. When I began testing, I thought air quality could either be good or bad. While it can be turned on and off via a button on the unit, it also comes with a remote control, pairs with a smartphone app for iOS and Android, and works with Google Home or Amazon Alexa. Out of the box, all you need to do is click the carbon and HEPA filters into place and cover them with the base piece it took just a minute to get it up and running. The slim heater stands about 30 inches tall and its hollow ring disperses clean, purified hot (or cool) air. Unlike most space heaters, the Dyson Pure Hot + Cool has a unique oblong design.
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When I spot the tell-tale green checkmark on the device's screen, I feel a sense of accomplishment, knowing full well that my space is healthier and the air is less likely to aggravate my asthma. I'm now an air-quality connoisseur I regularly peek at the graphs in the Dyson app to see if I can better manage my indoor environment. But fast forward several months and I've found that its air purification features more than justify the price for my family. While we named the Dyson our best high-end space heater because of its superior heating capabilities, at about $600, the price tag is, frankly, a bit jaw-dropping. I assumed the air was sometimes filled with dust and pet hair particles, but that was the extent of it. When I began testing the Dyson Pure Hot + Cool (HP 04) - a combination space heater and air purifier - for our guide to the best space heaters, I had never really thought about my in-home air quality. But even with a consistent cleaning schedule, I still find myself frequently sneezing and havingĪsthma flare-ups. I share a home with two Labrador retrievers that shed like it's their full-time job and two dust-making parrots (oh, and my husband).