Smart Plug

Guides in the Smart Plug category — explained in plain English.

2 guides

How Many Watts Does a Refrigerator Use? (and How to Measure Yours Exactly)

A fridge's running watts matter less than kWh per day. How to measure both with a plug-in meter — or a free one from the library — and price your own.

Aug 31, 2026 9 min read

Which Smart Plug Measures Energy Usage? (And Which Just Switch On and Off)

Most smart plugs only switch on and off. How to tell which ones actually measure watts and kWh — and what they can safely meter, including window ACs.

Aug 31, 2026 9 min read

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