Air purifiers are often marketed for radon — but a HEPA filter can't remove radon gas. Here's the honest explanation, why testing and a mitigation system are the real fix, and where a purifier does (and doesn't) fit. ...
VOCs from cleaning products, furniture, and building materials are the pollutant most air purifiers fail at — because they're gases, not particles. Here's why activated carbon is essential and the best air purifiers for VOCs. ...
Indoor air can trigger headaches — and most purifiers tackle the wrong half of the problem. Here's how VOCs and allergens cause headaches, why carbon matters as much as HEPA, and the best air purifiers for headaches. ...