{"id":13162,"date":"2023-06-01T08:28:55","date_gmt":"2023-06-01T08:28:55","guid":{"rendered":"https:\/\/smartairfilters.com\/uk\/?p=13162"},"modified":"2025-09-19T10:03:14","modified_gmt":"2025-09-19T10:03:14","slug":"dyson-hepa-bigquiet-formaldehyde-review","status":"publish","type":"post","link":"https:\/\/smartairfilters.com\/uk\/en\/dyson-hepa-bigquiet-formaldehyde-review\/","title":{"rendered":"Dyson HEPA Big+Quiet Formaldehyde review"},"content":{"rendered":"\n<p>The last three air purifiers from Dyson show a clear marketing strategy on clearing formaldehyde. Why the focus on formaldehyde?<\/p>\n\n\n\n<p>In China and India, formaldehyde is an everyday health concern and we believe that we will see more of this in the news in the UK, Europe and the US.<\/p>\n\n\n\n<p>In May 2023, the HSE began gathering evidence to support future UK guidelines on indoor formaldehyde. A <a href=\"https:\/\/consultations.hse.gov.uk\/crd-reach\/formaldehyde-releasers-rmoa-010\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"text-decoration: underline\">list of common sources of indoor formaldehyde<\/span><\/a> found on their site includes '<em>air cleaning devices<\/em>'. To be clear, these are air cleaning  devices with ionisers, used by a large number of major air purifier companies, including Xiaomi,&nbsp;<a href=\"https:\/\/smartairfilters.com\/en\/blog\/blueair-air-purifiers-review-ionizer-ozone\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"text-decoration: underline\">Blueair<\/span><\/a>, Levoit, and many more. <strong>None of the Smart Air purifiers use ionisers<\/strong>!<\/p>\n\n\n\n<h3 class=\"gb-headline gb-headline-648c729a gb-headline-text\">Ionisers generate ozone which can generate formaldehyde<\/h3>\n\n\n\n<p>Purifier companies choose to add a cheap ioniser as it slightly improves the efficiency of the HEPA filter. This way, with little added costs, this is a cheaper way to market a higher CADR (metric measuring the effectiveness of air purifier). We have written extensively why you should <a href=\"https:\/\/smartairfilters.com\/en\/blog\/ionizers-can-increase-pollution-particles-formaldehyde\/\"><span style=\"text-decoration: underline\">avoid <\/span><\/a><span style=\"text-decoration: underline\"><a href=\"https:\/\/smartairfilters.com\/en\/blog\/ionizers-can-increase-pollution-particles-formaldehyde\/\" target=\"_blank\" rel=\"noreferrer noopener\">air<\/a><\/span><a href=\"https:\/\/smartairfilters.com\/en\/blog\/ionizers-can-increase-pollution-particles-formaldehyde\/\"><span style=\"text-decoration: underline\"> purifiers with ionisers<\/span><\/a>. <\/p>\n\n\n\n<h3 class=\"gb-headline gb-headline-d18b4b27 gb-headline-text\">Dyson Formaldehyde Air Purifiers - Clever Marketing or Hype?<\/h3>\n\n\n\n<p>So formaldehyde is a problem, let's look at Dyson's latest solution, the <a href=\"https:\/\/www.dyson.com.au\/for-business\/air-treatment\/dyson-hepa-big-quiet-formaldehyde-purifier\"><span style=\"text-decoration: underline\">HEPA Big<\/span><\/a><span style=\"text-decoration: underline\"><a href=\"https:\/\/www.dyson.com.au\/for-business\/air-treatment\/dyson-hepa-big-quiet-formaldehyde-purifier\" target=\"_blank\" rel=\"noreferrer noopener\">+<\/a><\/span><a href=\"https:\/\/www.dyson.com.au\/for-business\/air-treatment\/dyson-hepa-big-quiet-formaldehyde-purifier\"><span style=\"text-decoration: underline\">Quiet Formaldehyde<\/span><\/a> purifier - launched in Australia but expected to be in the UK late 2023. As Dyson is a preferred supplier for the Department For Education, we are particularly interested in how suitable this model is for UK schools.<\/p>\n\n\n\n<figure class=\"gb-block-image gb-block-image-3a12deec\"><img loading=\"lazy\" decoding=\"async\" width=\"1077\" height=\"723\" class=\"gb-image gb-image-3a12deec\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/Intro-e1685536900534.jpg\" alt=\"Key features of the new Dyson formaldehyde purifier\" title=\"Intro\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/Intro-e1685536900534.jpg 1077w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/Intro-e1685536900534-300x201.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/Intro-e1685536900534-1024x687.jpg 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/Intro-e1685536900534-768x516.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/Intro-e1685536900534-600x403.jpg 600w\" sizes=\"auto, (max-width: 1077px) 100vw, 1077px\" \/><\/figure>\n\n\n\n<p>There are five key features on the Dyson which, according to Dyson's press release, is engineered for professional environments such as offices. Let's break this down to see how it compares with Smart Air products.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"765\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/airflow-e1685537705410-1024x765.jpg\" alt=\"Airflow - Dyson vs Smart Air\" class=\"wp-image-13188\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/airflow-e1685537705410-1024x765.jpg 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/airflow-e1685537705410-300x224.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/airflow-e1685537705410-768x574.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/airflow-e1685537705410-600x448.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/airflow-e1685537705410.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p><strong>More airflow<\/strong><\/p>\n\n\n\n<p>87 litres\/second converts to a CADR around 313m2\/hour - huge improvement compared to the current formaldehyde model which is 160m3\/hr. <\/p>\n\n\n\n<p>However for the average UK classroom, you need three of these to get 5 air changes per hour (top speed). For reference, our smallest room air purifier does 315m2\/hr.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Suitable for larger spaces<\/strong><\/p>\n\n\n\n<p>Dyson are marketing this model for larger spaces than previous models. <\/p>\n\n\n\n<p>With airflow lower than the Sqair (see above), it's hard to see how they calculated 100m2 which puts it in the realm of the Blast air purifier, which has 3x the airflow!<\/p>\n\n\n\n<p>Based on the airflow, 1 Dyson will provide 2 air changes per hour - not enough for schools.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"773\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/bigger-e1685537931130-1024x773.jpg\" alt=\"Room coverage - Dyson vs Smart Air\" class=\"wp-image-13189\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/bigger-e1685537931130-1024x773.jpg 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/bigger-e1685537931130-300x226.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/bigger-e1685537931130-768x580.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/bigger-e1685537931130-600x453.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/bigger-e1685537931130.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"758\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/quieter-e1685538115661-1024x758.jpg\" alt=\"Noise - Dyson vs Smart Air\" class=\"wp-image-13195\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/quieter-e1685538115661-1024x758.jpg 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/quieter-e1685538115661-300x222.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/quieter-e1685538115661-768x568.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/quieter-e1685538115661-600x444.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/quieter-e1685538115661.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Quieter<\/strong><\/p>\n\n\n\n<p>Dyson listened to feedback on noise reducing this from 63dBA to 56dBA - another win! <\/p>\n\n\n\n<p>But the lowest setting is 43dBA so running 1 unit on top speed, let alone 3, is <a href=\"https:\/\/smartairfilters.com\/en\/blog\/most-teachers-turn-off-loud-classroom-air-purifiers\/\"><span style=\"text-decoration: underline\">above the limit for<\/span><\/a><span style=\"text-decoration: underline\"><a href=\"https:\/\/smartairfilters.com\/en\/blog\/most-teachers-turn-off-loud-classroom-air-purifiers\/\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><\/span><a href=\"https:\/\/smartairfilters.com\/en\/blog\/most-teachers-turn-off-loud-classroom-air-purifiers\/\"><span style=\"text-decoration: underline\">UK schools<\/span><\/a>. Noise matters!<\/p>\n\n\n\n<p>Our quietest model is the Blast at 42dBA on top speed which beats the lowest noise level of this purifier.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Built-in CO2 monitor<\/strong><\/p>\n\n\n\n<p>The <a href=\"https:\/\/smartairfilters.com\/en\/blog\/air-purifiers-with-built-in-air-quality-monitors-bad\/\"><span style=\"text-decoration: underline\">problem <\/span><\/a><span style=\"text-decoration: underline\"><a href=\"https:\/\/smartairfilters.com\/en\/blog\/air-purifiers-with-built-in-air-quality-monitors-bad\/\" target=\"_blank\" rel=\"noreferrer noopener\">with<\/a><\/span><a href=\"https:\/\/smartairfilters.com\/en\/blog\/air-purifiers-with-built-in-air-quality-monitors-bad\/\"><span style=\"text-decoration: underline\"> <\/span><\/a><span style=\"text-decoration: underline\"><a href=\"https:\/\/smartairfilters.com\/en\/blog\/air-purifiers-with-built-in-air-quality-monitors-bad\/\" target=\"_blank\" rel=\"noreferrer noopener\">built<\/a><\/span><a href=\"https:\/\/smartairfilters.com\/en\/blog\/air-purifiers-with-built-in-air-quality-monitors-bad\/\"><span style=\"text-decoration: underline\"> in <\/span><\/a><span style=\"text-decoration: underline\"><a href=\"https:\/\/smartairfilters.com\/en\/blog\/air-purifiers-with-built-in-air-quality-monitors-bad\/\" target=\"_blank\" rel=\"noreferrer noopener\">sensors<\/a><\/span>, is that they only give you the reading right next to the sensor.<\/p>\n\n\n\n<p>A separate monitor is easy to move around the classroom to where the least airflow is. Our QP monitors can be plugged into whiteboards making it visible to the whole class.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"744\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/co2-e1685538460590-1024x744.jpg\" alt=\"Built in monitor - Dyson vs Smart Air\" class=\"wp-image-13190\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/co2-e1685538460590-1024x744.jpg 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/co2-e1685538460590-300x218.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/co2-e1685538460590-768x558.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/co2-e1685538460590-600x436.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/co2-e1685538460590.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"780\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/formaldehyde-e1685539286802-1024x780.jpg\" alt=\"Formaldehyde - Dyson vs Smart Air\" class=\"wp-image-13193\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/formaldehyde-e1685539286802-1024x780.jpg 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/formaldehyde-e1685539286802-300x229.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/formaldehyde-e1685539286802-768x585.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/formaldehyde-e1685539286802-600x457.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/formaldehyde-e1685539286802.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Formaldehyde filter<\/strong><\/p>\n\n\n\n<p>It's in the name, so Dyson must do exceptionally well at clearing formaldehyde?? <\/p>\n\n\n\n<p>At Smart Air labs, we ran a test to see if carbon filters can clear formaldehyde. We purchased and heated up pure formaldehyde to just below the UK short-term exposure limit of 0.74. We run a <span style=\"text-decoration: underline\"><a href=\"https:\/\/smartairfilters.com\/en\/blog\/activated-carbon-formaldehyde-filter-remove-vocs\/\" target=\"_blank\" rel=\"noreferrer noopener\">test<\/a><a href=\"https:\/\/smartairfilters.com\/en\/blog\/activated-carbon-formaldehyde-filter-remove-vocs\/\"> with a DIY <\/a><a href=\"https:\/\/smartairfilters.com\/en\/blog\/activated-carbon-formaldehyde-filter-remove-vocs\/\" target=\"_blank\" rel=\"noreferrer noopener\">air<\/a><a href=\"https:\/\/smartairfilters.com\/en\/blog\/activated-carbon-formaldehyde-filter-remove-vocs\/\"> purifier<\/a><\/span>. It cleared the air in just 25 mins!<\/p>\n<\/div>\n<\/div>\n\n\n\n<p><strong>How much carbon is in the new Dyson carbon filter?<\/strong><\/p>\n\n\n\n<p>According to the <span style=\"text-decoration: underline\"><a href=\"https:\/\/www.dyson.com\/content\/dam\/dyson\/leap-petite-global\/markets\/australia\/ec\/Dyson%20Big+Quiet%20Formaldehyde%20Purifier_BP06%20TECH%20SPEC.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Dyson user manual<\/a><\/span>, this new purifier contains 900g of carbon. This compares to 500g for our DIY cannon (used in the above test), 700g for the Blast Mini and 1.3kg for the Blast so all our purifiers with carbon filters can clear formaldehyde. Clever marketing tactics of Dyson to have the word in the name!<\/p>\n\n\n\n<p><strong>The built-in formaldehyde detector must be a game changer, right?<\/strong><\/p>\n\n\n\n<p>According to the US CDC, we should be worried about long-term exposure to&nbsp;<a href=\"https:\/\/www.cdc.gov\/nceh\/drywall\/docs\/whatyoushouldknowaboutformaldehyde.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"text-decoration: underline\">formaldehyde at 0.1 PPM<\/span><\/a>. That\u2019s precisely the level that&nbsp;<a href=\"https:\/\/academic.oup.com\/chemse\/article-abstract\/17\/3\/291\/321127?redirectedFrom=fulltext\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"text-decoration: underline\">normal people start to smell formaldehyde<\/span>.<\/a> Don't waste your time with cheap formaldehyde detectors because as unscientific as it sounds, our noses are quite sensitive <span style=\"text-decoration: underline\"><a href=\"https:\/\/smartairfilters.com\/en\/blog\/best-way-remove-off-gas-formaldehyde-voc-chemicals-home\/\">formaldehyde <\/a><a href=\"https:\/\/smartairfilters.com\/en\/blog\/best-way-remove-off-gas-formaldehyde-voc-chemicals-home\/\" target=\"_blank\" rel=\"noreferrer noopener\">detectors<\/a><\/span>.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>But what about the price?<\/strong><\/p>\n\n\n\n<p>Based on the AU$ price, this is likely to retail around \u00a3800. <\/p>\n\n\n\n<p>With Dyson's brand and sleek look, it is sure to do well with brand gurus, but this price point, for schools that would need 3 per classroom, is astonishingly high.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"750\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/price-e1685539504496-1024x750.jpg\" alt=\"Price - Dyson vs Smart Air\" class=\"wp-image-13194\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/price-e1685539504496-1024x750.jpg 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/price-e1685539504496-300x220.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/price-e1685539504496-768x562.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/price-e1685539504496-600x439.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/price-e1685539504496.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">3 Things You Need to Know About Formaldehyde<\/h3>\n\n\n\n<p>Part 1:&nbsp;<span style=\"text-decoration: underline\"><a href=\"https:\/\/smartairfilters.com\/en\/blog\/3-things-you-need-to-know-about-formaldehyde-part-one\/\" target=\"_blank\" rel=\"noreferrer noopener\">Why formaldehyde testers are fake (and why it\u2019s actually scientific to just use your nose)<\/a><\/span><\/p>\n\n\n\n<p>Part 2:&nbsp;<span style=\"text-decoration: underline\"><a href=\"https:\/\/smartairfilters.com\/en\/blog\/3-things-you-need-to-know-about-formaldehyde-part-two\/\" target=\"_blank\" rel=\"noreferrer noopener\">How long it takes for formaldehyde to off-gas from new and remodeled homes<\/a><\/span><\/p>\n\n\n\n<p>Part 3:&nbsp;<a href=\"https:\/\/smartairfilters.com\/en\/blog\/3-things-you-need-to-know-about-formaldehyde-part-three\/?rel=1\" target=\"_blank\" rel=\"noreferrer noopener\"><span style=\"text-decoration: underline\">Three data-backed ways to reduce formaldehyde and other VOCs in your home<\/span><\/a> (update: we have now tested a <span style=\"text-decoration: underline\"><a href=\"https:\/\/smartairfilters.com\/en\/blog\/remove-formaldehyde-from-home-fast\/?rel=1\" target=\"_blank\" rel=\"noreferrer noopener\">formaldehyde cookout<\/a><\/span> - it works!!<\/p>\n\n\n<div class='bottom-line'><div class='bottom-line-top'>Bottom Line<\/div><div class='bottom-line-title'>Bottom Line: The new Dyson Formaldehyde Air Purifier is Outperformed by Purifiers Less Than 1\/5th of the Price<\/div><div class='bottom-line-content'>Our Sqair Chemical Warfare outperforms this Dyson on most of the key features. Even carbon filters tested with our DIY purifier shows pure formaldehyde can be removed in 25 mins!<\/div><div class='bottom-line-last'>Smart Air<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The last three air purifiers from Dyson show a clear marketing strategy on clearing formaldehyde. Why the focus on formaldehyde? In China and India, formaldehyde is an everyday health concern and we believe that we will see more of this in the news in the UK, Europe and the US. In May 2023, the HSE ... <a title=\"Dyson HEPA Big+Quiet Formaldehyde review\" class=\"read-more\" href=\"https:\/\/smartairfilters.com\/uk\/en\/dyson-hepa-bigquiet-formaldehyde-review\/\" aria-label=\"Read more about Dyson HEPA Big+Quiet Formaldehyde review\">Read more<\/a><\/p>\n","protected":false},"author":10355,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[100,76,99,98],"class_list":["post-13162","post","type-post","status-publish","format-standard","hentry","category-slider","tag-air-pollution","tag-air-purifiers","tag-filters","tag-uk"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Smart Air UK<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:site_name\" content=\"Smart Air UK\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/smartairfilters\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-01T08:28:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-19T10:03:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/sites\/16\/2023\/05\/Intro-e1685536900534.jpg\" \/>\n<meta name=\"author\" content=\"smartairuk\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"The last three air purifiers from Dyson show a clear marketing strategy on clearing formaldehyde. Why the focus on formaldehyde? In China and India, formaldehyde is an everyday health concern and we believe that we will see more of this in the news in the UK, Europe and the US. In May 2023, the HSE ... 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