Plants Have No Detectable Air Purification Effect

Despite the popular conception that plants are purifiers, plants have no detectable effect on particle or gas pollutants, according to the latest test data from real-world homes.   Belief that plants are effective air purifiers is widespread. Arguably the most frequently cited evidence is the NASA study on plants. It feels scientific, authoritative. This page cites it, this page, this page. […]

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Activated carbon air purifier VOC

Does adding a carbon layer reduce particulate effectiveness?

I recently published tests showing that carbon actually removes VOCs. But adding that carbon layer raises a question: adding carbon means the fan has to power through yet another layer of resistance. Does that make purifier less effective at removing particulates? Test Method To test this question, I ran 10 room tests with the Cannon and […]

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