Geo Cosy review£250.00
Which? First look
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The Geo Cosy is a compact smart thermostat that you can carry with you around the house - handy if you want the convenience of a smart thermostat but aren't comfortable using a smartphone. Is it a little marvel, or are you better off avoiding it? See our full first look review for our verdict when we tested it under our old test programme.
Are smart thermostats worth it?
How much can you save on your energy bills with a smart thermostat? And how long will it take to pay for itself? We’ve crunched the numbers to see if smart thermostats from brands such as Hive and Nest can save you money.
How to buy the best smart thermostat
Get expert tips on buying the best smart thermostat before reading our in-depth smart thermostat reviews. If you fancy being able to control the temperature of your home with your smartphone, a smart thermostat could be for you.
Nest thermostat vs other smart thermostats
Find out what Nest and other leading smart thermostat brands such as Honeywell and Hive have to offer, and pick the right thermostat for your home. Read in-depth expert verdicts from Which? on the most popular models.