The Archive
Reporting, comparisons, and field notes — newest first.
air-purifiers
UV-C air purifiers add germicidal light to standard filtration — but the premium isn't always justified. Here's the honest cost-benefit breakdown to help you
·9 min read
air-quality-monitors
Portable CO detectors aren't all the same — travelers, RV owners, and boaters each face different risks and need different tools. Here's how to choose the
·11 min read
hvac-whole-home-filtration
MERV ratings determine how much dust, pollen, and fine particles your HVAC system actually captures. Here's how to read the numbers, match the right filter to
·9 min read
hvac-whole-home-filtration
Not all furnace filters do the same job. This guide breaks down the real performance differences between MERV 5, MERV 11, and MERV 13 filters — with cost math
·10 min read
air-purifiers
Not every air purifier can keep up with daily frying and stubborn cooking smells. Here's how to match the right filter tech, carbon capacity, and sensor
·10 min read
air-quality-monitors
A clear-eyed comparison of the best air quality monitors under $150, breaking down what CO2, PM2.5, VOC, and radon sensors actually deliver — and which ones
·12 min read