Experiencing issues with the LED lights on your thermostat heat link in the UK? A small number of customers have experienced an issue where the LED light on their heat link doesn't light up and they can't control heating or hot water. This only applies to 3rd gen Nest Learning Thermostats. If this is you, we'd like to apologize for the inconvenience and solve this for you as soon as possible. The fastest way to get help is to visit our partner BOXT's booking form. Once you have submitted the form, BOXT will reach out to you within 2-3 days to arrange a service visit to get you up and running again. When filling out the BOXT form, a case number will be pre-populated for you.

How a Nest thermostat helps save energy

A Nest thermostat learns the temperatures that you like when you’re at home and then
programs itself. It automatically turns down the heating when you’re away to help save
energy. Here’s the proof.

Many thermostats are programmable. You enter every temperature change that you want
throughout the day or choose a start and stop time to heat your home. It’s annoying and
complicated, so many people don’t even bother.

Learns from you and programs itself

You don’t have to program a Nest thermostat. Just change the temperature whenever you
like during the first few days after it's been installed. It will get to know the temperatures
that you like and when you want them. Then it programs itself and creates a weekly
temperature schedule.

nest thermostat gen 3 front view
A Nest thermostat also learns how quickly your home
heat and cools, because no two homes are exactly the
same. And it considers the outside weather conditions.
When it’s very cold, your home may take longer to reach the
temperature you want. So, a Nest thermostat can figure out
how early it needs to turn your system on the heating to get
your home to the target temperature on time. And it learns
when to turn your system off to prevent overshooting the
target temperature.

Can help save energy while you’re away

In addition to learning a temperature schedule, your Nest thermostat will automatically
switch to a custom Eco Temperature when you’re away. And when you come back, it will
switch back to your scheduled temperature. You don’t have to remember to change the
temperature as you come and go, the Nest thermostat does it for you.

        Learn how Eco Temperatures work

Teaches you to save when you’re home

A Nest thermostat also shows you how to save energy. Each time you adjust your thermostat
to an energy-efficient temperature, you’ll see the Nest Leaf on the thermostat screen and in
the Nest app. Over time, it becomes harder to earn a Leaf, which encourages you to save
even more energy. For more thermostat saving tips, see the following article:

         How to improve energy savings

To track your progress, you can check your Energy History in the Nest app to see how much
you’ve used each day and what has caused any big changes in your heating use. You’ll also
get a monthly Home Report from Nest so you can compare how much heating you’ve used
compared to the previous month. As you learn more about how and why you’ve saved energy
with your Nest thermostat, you can keep up your good habits and make simple changes to
be more efficient.

Savings Studies

Independent studies conducted in the UK have shown that Nest Thermostats combined with Seasonal Savings save the average user 10% on heating bills over the winter season. Read more about the studies from The Behavioural Insights Team: Evaluating the Nest Learning Thermostat

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