In testing this lineup of the best indoor thermometers ... lows for both readings (over 24 hours), and a comfort meter shows whether the humidity is too high, too low, or just right.

Get a surprise look at the air quality anywhere in your home this winter with this small, portable carbon dioxide Meter Pro ...

While professional installation is often required, the unit is quiet, reliable and easy to control based on your humidity preferences. The best whole-house humidifiers improve indoor air quality ...

Monitor indoor humidity and temperature with the best indoor thermometer. See our top tested models to find out which ones ...