Buying guides

Guides

Research-based comparisons built on published specs and plain-spoken trade-offs. New guides are added year-round.

Power & preparedness

Three 1.5–2 kWh power stations compared on the numbers that matter: usable capacity, output, battery life, solar input and weight.

Home comfort & air

How to size a purifier properly, and two long-life premium machines compared on filtration, coverage and filter life.

Recovery & wellness

The two best-known massage guns compared on amplitude, speed range, battery and ergonomics, with an explanation of which specs matter.

Smart home

The two leading smart thermostats compared on room sensors, smart-home ecosystems and installation, for year-round comfort and lower energy bills.