Best Buys
The Which? Best Buy award is given to
products with high total test scores that perform consistently well in
our rigorous lab tests and excel in all key areas.
Energy Savers
We award the Energy Saver logo to
products that our testing shows are very energy efficient, meaning
they'll cost you less to run.
Don't Buys
The Which? Don't Buy logo alerts you
to the products that performed extremely poorly in one or more key
areas of our tests.
Accuracy
The variability of repeat readings. A score of five stars represents low variability
Consistency
The variability of repeat readings. A score of five stars represents low variability
Ease of set up
How easy it is to set up the display unit, sensor and transmitter and input tariff details
Quality of info displayed
How clearly the information is presented and accessed
Ease of using historical data
How easy historical data is to understand, plus ease of setting high-use alarms.
Price
For Best Buys we give the cheapest widely available high street price as we went to press. Prices for other models are a guide to what you should expect to pay.
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