{"id":16714,"date":"2024-01-15T23:23:09","date_gmt":"2024-01-15T15:23:09","guid":{"rendered":"https:\/\/smartairfilters.com\/?p=16714"},"modified":"2024-01-15T23:23:12","modified_gmt":"2024-01-15T15:23:12","slug":"when-to-change-your-air-purifiers-hepa-filter","status":"publish","type":"post","link":"https:\/\/smartairfilters.com\/en\/blog\/when-to-change-your-air-purifiers-hepa-filter\/","title":{"rendered":"How Often Should I Change Air Purifier Filters and How Long Do they Last?"},"content":{"rendered":"

Figuring out when to swap out your HEPA filter can be a bit tricky. Maybe you’ve wondered about those numbers air purifier companies claim. Where do they even get those HEPA filter replacement numbers?<\/p>\n\n\n

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\"How<\/figure><\/div>\n\n\n

If a company that’s based in Switzerland is telling you can use it for six months, is that Beijing air? Is that Delhi air? If it lasts six months in Switzerland, is it really going to last six months in Delhi? <\/p>\n\n\n

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\"The
The comparison of air quality between Switzerland and India.<\/figcaption><\/figure><\/div>\n\n\n

Add in the fact purifier companies are incentivized to have you replace your filters more often for profits.<\/p>\n\n\n\n

So, I’m a bit wary of how companies get to their filter replacement numbers. <\/p>\n\n\n\n

Lack of Transparency From Air Purifier Companies on HEPA Replacements<\/h2>\n\n\n\n

I had a difficult time finding any data-backed explanations for the HEPA filter replacement recommendations from many of the big brand air purifier companies.<\/p>\n\n\n\n

So, I decided to contact the popular brand Medify Air to ask them about the basis of their recommendations. Surely they would have data to back up their claims somewhere right? Or else they would be misleading their customers by providing meaningless recommendations.<\/p>\n\n\n\n

Notice their response: “We do not share test results or publish data on the lifespan of our HEPA filters for proprietary reasons.” <\/p>\n\n\n

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\"When<\/figure><\/div>\n\n\n

<\/p>\n\n\n\n

Factors That Effect How Long Your HEPA Lasts<\/h2>\n\n\n
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\"How
Smart Air’s Chief Nerd Scientist Paddy<\/figcaption><\/figure><\/div>\n\n\n

In reality, many factors determine the lifespan of your HEPA filter. These factors include:<\/p>\n\n\n\n