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Climate & Air

Air purifiers, dehumidifiers, fans, thermostats and the equipment that heats and cools a home.

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What an Air Purifier’s CADR Number Actually Tells You

The Clean Air Delivery Rate is one of the more useful figures on an appliance box — if you know what it measures, what it leaves out and how to size it for your room.

By Elena MarshSep 29, 2026

Climate & AirHow-To

Sizing a Basement Dehumidifier Without Overspending

Pints per day, drainage and operating temperature matter more than tank size.

By Elena MarshSep 22, 2026

Latest in Climate & Air

Climate & AirExplainer
What an Air Purifier’s CADR Number Actually Tells You
CADR describes how much filtered air a purifier delivers for smoke, dust and pollen. Here is how to read it, and where it stops being useful.
By Elena MarshSep 29, 2026
Climate & AirHow-To
Sizing a Basement Dehumidifier Without Overspending
Capacity ratings changed under newer test conditions. How to read them and match a unit to a damp space.
By Elena MarshSep 22, 2026

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