Nest Learning Thermostat T3 (3rd Gen, 2015)

Looks fantastic ; Learns how you use it ; Sharp and clear display

Can't expand to radiator control

The Nest Learning Thermostat 3rd Generation is a high-quality and powerful smart thermostat, but we'd love to see the option to expand to individual radiator control

Sleek design ; Simple and intuative ; Works with Nest

Lacks multiroom temp monitoring

Attractive design and finish Great mobile app Very simple to operate Learns and adapts with use

No zonal heating control Functionality relies on good placement Best installed by a professional

Nest claims that its smart thermostat is an easy way of saving money on your future heating bills. It has an attractive design and is easy to operate, but the immediate cost might put some off. After living with the device for a year, our results...

Best looking smart thermostat solution ; Hot water control for 3.0 ; Smartphone GPS tracking ; Family Accounts ; Detailed scheduling is easy to use ; Learns your preferred settings over time ; Compatible with Google Assistant and Amazon Alexa

Lacks zone controls around the home ; “heating boost” option would benefit for things like drying washing in winter

When it comes to central heating control, and keeping one eye on economical spending, the Nest Learning Thermostat 3.0 is a clever little package. Easy to install and manage, with the potential to save energy and therefore money, it's a choice option...

The next-gen Nest Learning Thermostat has a larger display, a better resolution and an all-new far-field sensor for viewing time and temperature information from a distance. It works with Amazon's Alexa, too.

Nest is behind in the accessories department; remote temperature sensors would add a lot to this smart thermostat's functionality.

Nest is still a solid smart thermostat, but it isn't massively different from the second-gen model and the Ecobee4 offers more features.

Beautiful design ; Simple to set up schedules ; Hot water controls

No geolocation feature

Nest’s third-gen thermostat is a beautifully designed appliance that affords you a great degree of convenience. As for how much money it can save you, that depends on how fastidious you are as much as Nest’s own scheduling algorithms.

Affordable ; Attractive design ; Works with Amazon Alexa and Google Assistant voice commands ; Supports scheduling and routines ; Lets you monitor your energy usage and suggests ways to cut back ; Warns you about potential HVAC issues

No touch screen ; Geofencing can be finicky ; Can't automatically set schedules

The relatively affordable entry-level Nest Thermostat lets you control your heating and cooling system by phone or voice, set temperature schedules, and offers energy-saving features that can help lower your bill.