Smart thermostats: how you can save energy and money

With a smart thermostat, you can automatically regulate the temperature on your radiator - even when you are not at home.

Here you find out how this works.

Notice to our readers:

We create product comparisons and deals for you.

To make this possible, we receive a commission from partners.

This will not change anything for you.

When the cold season sets in, it is all the nicer to come to a warm home. But for this the radiator must also be switched on. If you leave the heating on all day, you not only waste a lot of energy, you also run into a lot of money. So how do you get home and find a warm apartment? The solution is called a smart thermostat. Because according to

,

can be

. According to

heating costs are reduced by an average of five to eight percent.

The functions of these devices are also extensive and offer a lot of convenience.

You can set the thermostats precisely based on a heating plan, control them via the app while on the move or operate them by voice command.

Integration into the smart home system * is also possible.

Some models also regulate the temperature according to our preferences and behavior.

Find out what a smart thermostat should be able to do here.

We also introduce you to some popular models.

So that you can save energy and money!

Smart thermostats: you should pay attention to this when buying

• Smart thermostats can be

  controlled via app or voice assistants such as Amazon Alexa or Google Assistant

  .

  This gives you access to everyday helpers even when you are out and about.

• When you leave the house, you can tell the thermostats to automatically lower the temperature.

  This is done

  by command in the app or via the location data of the smartphone

  .

  If you move away from your home, the temperature will be lowered, if you come back, the temperature will rise again.

• Thanks to

  individual heating profiles

  , you can set exactly which rooms should be heated.

  So you have it nice and warm in the bathroom in the morning while the bedroom remains well ventilated.

• Do you want to ventilate, but have not switched off the heating?

  No problem.

  Really good models

  automatically

  recognize the

  temperature drop in the rooms

  and react accordingly.

  Other smart thermostats come with the right accessories that can be attached to doors or windows.

• Some smart thermostats now have

  access to weather data

  .

  If the sun comes out unexpectedly or there is a sudden cold snap, the digital helpers can react immediately and regulate the temperature.

Also read:

How does a smart thermostat work?

The smart thermostats are easily connected to the

.

All smart devices are connected via the smart home system and can be controlled in this way.

The Smart Home itself works via your network using WLAN.

Thanks to the hub, communication between all smart home devices is possible.

This makes it possible to control the smart thermostats via app or voice command.

The control command is transmitted to the hub via WLAN, which then transmits the command to the thermostats or other smart home devices.

AVM FRITZ! DECT 301 smart thermostat - ideal for FRITZ! Box with DECT base

+

Smart thermostat AVM FRITZ! DECT 301.

© Amazon product image

AVM FRITZ! DECT 301 for 46.41 instead of 59 euros

• Smart thermostat for the

  FRITZ! Box home network for every FRITZ! Box with a DECT base

  and FRITZ! OS from version 6.83.

• Easy installation on all

  conventional radiator valves with a connection thread

  , an additional adapter is included in the scope of delivery.

• Configuration via the

  FRITZ! Box user interface

  .

• Control via PC, laptop, smartphone from home or on the go

  via the Internet or app

  .

• Functions:

  Individual heating profiles, comfort functions such as e-paper display for better readability, window open detection, group switching, key lock, limescale protection, automatic frost protection, push notifications in the event of a connection interruption or low battery level.

• Scope of delivery:

  FRITZ! DECT 301, 2 x AA batteries, installation instructions, adapter for Danfoss RA.

Eqiva Bluetooth Smart radiator thermostat: up to 7 switching times per day

+

Eqiva Bluetooth Smart Radiator Thermostat.

© Amazon product image

Eqiva Bluetooth Smart Thermostat for 19.99 instead of 29.95 euros

• Operation with the

  free “calor BT” app for iOS and Android

  .

• Equip up to

  ten rooms with up to five smart thermostats each

  .

• Test winner at Stiftung Warentest (01/2017):

  reliable heat regulation, easy handling and long battery life.

• Functions:

  Individual heating profiles, configuration of the weekly schedule, any temperature curves and 7 switching times per day, temperature drop detection during ventilation, boost function, child safety, protection against calcification and frost.

Homematic IP thermostat set easy connect: Smart heating control including window contact

+

Homematic IP thermostat set with window contact.

© Amazon product image

Homematic IP thermostat set for 49.00 instead of 59.95 euros

• Configuration and control via the

  Homematic PC Access Point using a free app

  .

  Many configuration options are available, including status queries for the heating system as well as windows and doors.

• Functions:

  Individual heating profiles, automatic lowering of the temperature during ventilation.

• Stand-alone operation:

  The heating profiles, free temperature selection and the boost function can be set directly on the thermostat.

• Scope of delivery:

  Smart thermostat, 1x window contact, Danfoss RA adapter and support ring, mounting material and batteries (4x), operating instructions.

Eurotronic Comet Wifi 2021 thermostat: compatible with any WiFi router

+

Eurotronic Comet Wifi 2021 radiator thermostat.

© Amazon product image

Eurotronic Comet Wifi 2021 thermostat for 42.38 instead of 56.50 euros

• The Eurotronic Comet Wifi 2021 radiator thermostat can be easily connected to the WLAN thanks to the app.

  An

  additional hub or gateway is not necessary

  .

• Functions:

  Individual heating profiles, vacation function, real-time behavior, remote control via app, automatic changeover to summer and winter time, child safety, frost protection and limescale protection.

• Scope of delivery:

  3x plastic adapters (Danfoss RA, RAV, RAVL), 1x adapter screw, 2x AA batteries, brief instructions, Comet WiFi thermostat.

tado ° smart thermostat starter kit V3 +: compatible with Alexa, Siri and Google Assistant

+

tado ° smart thermostat starter kit V3 +.

© Amazon product image

tado ° smart thermostat starter kit V3 + for 124.00 instead of 129.99 euros

• Rating 1.6 from testsieger.de (12/2020): Control the smart thermostat

  using the voice assistant (Alexa, Siri, Google Assistant) or the tado ° app

  .

• Not at home or a window is open?

  You will then receive a

  push message

  reminding you to turn down the heating.

  Thanks to

  Auto-Assist, tado ° can also automatically shut down the heating

  .

• Functions:

  schedules, switching on and off via short command, information on indoor air quality (humidity, risk of mold, etc.), access to weather forecasts, evaluations + statistics, energy saving report, heat-up function, child lock, frost protection.

• Scope of

  delivery:

  Tado ° smart radiator thermostat, tado ° Internet Bridge, 2 AA batteries, adapter set, USB power supply, UK power adapter, EU power adapter, USB cable, Ethernet cable, welcome guide, setup guide, 2x legal information .

(pm) * Merkur.de is an offer from IPPEN.MEDIA.