Best Home Energy Monitor in 2026: What to Buy After Sense's Exit
The best home energy monitors of 2026, picked for measurement accuracy and app quality — including what to buy now that Sense is discontinued.
9 min read
Smart Plug
Guides in the Smart Plug category — explained in plain English.
Kill A Watt Alternatives in 2026: 4 Ways to Measure an Appliance's Real Cost
The Kill A Watt P4400 is back in stock, but it is not the only way to measure appliance costs. The real alternatives — and when each is the better tool.
8 min read
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.
10 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.
10 min read