Tag: science
All the articles with the tag "science".
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6 minCadrCADR vs ACH: The Two Numbers That Tell You If a Purifier Is Big Enough
CADR and ACH are the two specs that determine whether an air purifier actually cleans your room. Here's what each means, how they relate, the math, and the tool that does it for you.
· David WilsonRead Review -
3 minDataIndoor vs Outdoor Air Quality: Why Your Home Is (Probably) Dirtier Than You Think
Indoor air can be 2-5x more polluted than outdoor air. Here's the research, the sources inside your home, and how to fix it.
· Sarah KimRead Review -
2 minEnergy StarEnergy Star Air Purifiers: What the Rating Actually Means
Energy Star certification on air purifiers: what it really measures, how much it saves, and why CADR per watt matters more than the sticker.
· David WilsonRead Review -
3 minHepaHEPA vs HEPA-Type vs True HEPA: Don't Get Scammed
'HEPA-type' and 'True HEPA' are not the same thing. Here's the difference that determines whether your purifier actually filters — and how to spot the fakes.
· David WilsonRead Review -
2 minHvacAir Purifier vs HVAC Filter: Do You Need Both?
Your furnace filter already cleans the air — so do you need an air purifier too? Here's the honest answer: different jobs, different rooms, and when both make sense.
· David WilsonRead Review -
2 minAqiWhat Is a Good AQI Level? The Complete Guide to Air Quality Numbers
What AQI is 'good'? Here's the complete AQI scale explained — what each number means, who should care, and when to act.
· Sarah KimRead Review