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The third generation of Eve Thermo, the highly successful smart radiator valve, hit the stores back in autumn 2019. Eve Thermo is a breeze to install and setup – and with a bit of fine-tuning, it can unleash all the convenience that connected heating has to offer. Read on for a detailed overview of all the functions Eve Thermo offers.  

 

Heating via an app, touch controls and Siri 

You can control your heating using the Eve and Home apps or simply ask Siri to make your room warmer, set it at a specific temperature or stop heating. Plus, you also enjoy granular control of your heating in increments of 0.5 °C on the smart radiator valve itself. 

 

 

Scheduled heating designed around you

 

Eve Thermo offers schedules, which you create in the Eve app and that are saved on the accessory itself. This provides you with quick and easy universal and automatic temperature control as it works regardless of whether an iPhone, home hub or active internet connection are available. The Eve app features three preset schedules for many common scenarios – plus you can of course also add your own schedules to suit your routine.

You can create up to three high periods per schedule, such as mornings, afternoons and evenings. You can also set separate comfort and economy temperatures. Schedules can behave differently depending on the day of the week, so you can choose different start and end times for the heating phases for weekdays and the weekend. And as soon as you save a heating schedule in the Eve app, you can also use it for your other Eve Thermo accessories. Got a schedule that works great for your kitchen, but not your guest room? Then simply add another one.

The “Days Off Calendar” function accesses a calendar chosen by you on your iPhone (such as “Holidays”) and ensures that the weekend schedule is run on days which are public holidays – all without you having to lift a single finger.

By the way: Even if a schedule is active, you can still adjust it via the app, Siri or manually on the accessory itself. This setting is then changed with the next scheduled temperature change.

Heating depending on if you’re leaving or arriving at home
 

You can save energy and minimize your heating costs by having Eve Thermo automatically control your heating based on whether you or a family member is at home or not. If, for instance, the last family member has left home for the day, a lower temperature will be set automatically. Then, as soon as a family member arrives home, Eve Thermo will set your heating to the desired temperature again. This type of automation requires Apple TV or HomePod as a home hub.

To heat depending on whether you’re leaving or arriving at home, simply add an automation – or in HomeKit jargon: a location-based rule.

n Eve tap Automation > Rules > Add Rule. A short explanation will be displayed, then tap Next. 

Eve will display all available triggers, which can be based on the time, the sensor measurement or someone’s location.

For this straightforward example, select the Location > Leaving [home] and then the Last person leaves [home] option. Tap Add, then Next. 

You don’t need to set any other time or value conditions
here, so tap Next. 

– You don’t need to set any other time or value conditions here, so tap Next.

Eve will now offer you the option to select an existing scene that will set the away temperature on the desired radiators.

If none are available, create the scene by adding a new one. Tap Add Actions and select Types > Target Temperature. Activate the Eve Thermo accessory you want to control, set a temperature and tap Add.

 

Tap Next, name your scene – such as “Away Mode” – and select an icon. Following that, tap Done and then Next. Give your rule a memorable name, something like “Last One Leaves”, and tap Done.

If you also want to prevent a scheduled temperature change in the schedule from changing this value even if you are away, tap Types > Schedule again and disable the schedules for the radiators in question.

A second automation will ensure that the heating kicks in again when someone arrives home. 

  • So start with Automation > Rules > Add Rule and in the Location section in Add Trigger tap Arriving at [home] followed by the First person arrives [home]. 
  • Other conditions aren’t required here, so simply tap Next until you get to the Scenes selector where you should tap Add Scene followed by Add Actions. 
  • In the same way as the away scene, tap Types > Target Temperature, but this time set the comfort temperature and then Add.
  • If you previously disabled your schedules when leaving the home, add an extra action to re-enable them.
  • Tap Next, name your scene (such as “Cozy at Home”) and choose an icon – that’s it. Once again, you complete the process by naming the rule (in the example, the automation is called “Back Home”). Once you’ve tapped Done, your location-based heating system is good to go.

By the way, using this Eve Thermo configuration for heating based on whether you’re at home or away is controlled entirely by HomeKit. This means that your location will be checked using only the native system-level functions of your iPhone. Absolutely nobody – neither Apple nor Eve – can piece together a complete profile of your movements. Furthermore, nobody will know if you’re at home or not, apart from your Apple devices themselves. That’s great for your privacy, and your battery too!

Eve Thermo in the Eve app

You can dive into Eve Thermo’s details view either by tapping the Rooms view in the Eve app or by long-pressing (or using 3D touch, if your device supports it) the particular accessory’s icon in the At a Glance view. Besides the accessory settings, the details view is the main dialog for controlling your smart radiator valve. It is divided into the General section, Target Temperature, Mode and Schedule.

General:
Tapping the small arrow on the right opens the advanced view, which includes a battery status indicator, an accessory settings icon and the identify button, which when tapped will display a “Hi” on the Eve Thermo in question. The latter is handy if you own several smart radiator valves and you want to make sure you’re in front of the right accessory when changing the batteries. 
 

 

 

 

 

 

 

Target Temperature:
The central field of the detail view shows the current target temperature, which is the room temperature you want Eve Thermo to reach. Use the up/down buttons to adjust this value in 0.5 °C increments. 

The measured temperature currently measured by the accessory can be seen on the left above the graph in the form of a thermometer/heater icon. HomeKit treats the sensor in question just like a stand-alone temperature sensor or that of a wall-mounted thermostat or air conditioner. Siri and the display in the Home and Eve apps display this value as measured. Any configured temperature offset (see below) is not included in the calculation by the accessory or app. Discrepancies between the actual and target temperature during heating are normal, as factors such as the sensor being located on the radiator instead of in the center of the room (and also the configured temperature offset), the 10-minute measurement interval and the smart radiator valve’s control algorithm play a role here. If, for instance, you want to heat up a room again that has cooled down, the temperature measured at the radiator’s fully-opened valve will initially be significantly higher than the target and actual room temperature – and don’t forget that the same temperature will be displayed for 10 minutes until it’s refreshed.

A yellow radiator icon will also be displayed above the graph when Eve Thermo is currently heating. You will see a stopwatch next to the target temperature button when a schedule is active (any manual setting will only last until this particular schedule is due to start again).

The graph will show a timeline with the progressions for the measured  (gray) and target temperatures (blue). Daily highs and lows as well as the last measured temperature will be marked with dots. Tapping the small info icon will allow you to view the graph by hour, week or month. Additionally, you can stop the target temperature from being displayed in the graph, deactivate Graph Line Smoothing and access temperature readings in the list view.  

Mode:
The Mode section lets you disable Eve Thermo’s heating function. The mode returns to On if you enter anything via the accessory’s touch controls or use Siri, automations or the Home app to trigger changes. However, please note that even when in the Off mode, valve descaling cycles, and a certain amount of noise in connection with that, will continue. The temperature will also continue to be measured. If radiator valves are grouped, switching off one accessory will not affect the others.

Schedule:
The current schedule stored on the accessory is displayed in the bottom-most section. It can be deactivated permanently via the On/Off button – and will stay deactivated even after the next heating phase is reached. Tapping the gear icon will take you to the schedule section with the schedules contained in the Eve app and those added by you. You’ll find an info icon next to the latter, which you can tap to bring up the schedule editor.

 

Settings

You’ll find all the key functions, some of which you’ll have already seen during the initial setup, in the settings for Eve Thermo (Eve > Settings > [Room] > [Eve Thermo]). Starting from the top.

Room: This is where you’ll find the room you assigned your Eve Thermo to during installation. You can change it at any time. 

Name: This is the Siri name you set during the initial setup. Although entirely optional, a meaningful Siri name such as “Living Room Heating” can make controlling Eve Thermo with your voice a lot easier. 

Installation: Here you can see if Eve Thermo has been installed correctly (OK). 
If you want to use your accessory on a different radiator in your home, but want to keep the data, tap Installation >  Remove. You can now remove Eve Thermo and calibrate it at its new location. 
If you ended up installing the display upside down, you can change its orientation here.

Temperature Offset: As Eve Thermo connects right next to the radiator, which is often located under a windowsill, the values measured may deviate from the actual temperature in the center of the room. To compensate, you can configure a temperature offset which Eve Thermo factors in when controlling the valve. If the room temperature is lower than the measured temperature shown in the app, set the temperature offset to a negative value. For example, if your lounge is 20 °C, but Eve Thermo reports 21.5 °C, set the temperature offset to -1.5 °C. Over time, you’ll need to work towards finding the ideal temperature offset that works for the particular room.

Window Detection: If you use Eve Door & Window on a window in the room where you’re also using Eve Thermo, Eve can automatically stop heating if the window is opened for ventilation purposes. It then resumes heating once the window is shut. This type of automation requires Apple TV or a HomePod as a home hub.
Window Detection is smart: If you forget to shut the window, heating resumes automatically after 30 minutes to prevent the building from cooling down. However, you can adjust this value to suit. 

Eve Thermo detects rapid drops in temperature even without a wireless contact sensor, however it’s less precise than when used in conjunction with Eve Door & Window. In this mode Eve Thermo continues to heat again after 10 minutes. 

Vacation Mode: About to take a long vacation? To avoid having to adjust each radiator individually or add a different schedule, you can simply activate Vacation Mode. It’ll suspend your schedules, hold the energy-saving temperature you’ve set and prevent your home from freezing up. Here you can set whether the Eve Thermo in question should be part of the vacation scene and the temperature you want maintained. Once you’re back from vacation, simply activate the Back from Vacation scene and everything will return to normal. .

Valve Protection: Eve Thermo will open the valve fully every three weeks to prevent scale buildup. If you trigger this function manually, Eve Thermo will remember when you did so and resume automatic valve protection three weeks from that time of the day. 

Temperature Unit: Choose between Celsius and Fahrenheit. 

Child Lock: To prevent unwanted temperature adjustments, activate Child Lock to disable the touch controls of Eve Thermo. 

ID: Tapping ID will display Hi on the Eve Thermo in question. It’s really handy if you want to identify a particular Eve Thermo accessory.

Remove Accessory: This command lets you remove a particular Eve Thermo accessory from your HomeKit configuration. You may want to do this if you intend to relocate your accessory to a different home.

Assigned to (optional): If you have assigned Eve Thermo to an Eve Extend range extender, it will also appear here in the settings. 

 

 

No bridge or starter set required.

Eve Thermo works right out of the box, eliminating the need for additional accessories. Schedules are stored directly on the accessory itself, so they’re always executed without the involvement of any other devices. 

For automations (such as heating based on if you’re at home or away, or window detection in conjunction with Eve Door & Window), you’ll need Apple TV or a HomePod as a home hub.

To expand your reach to Eve Thermo in the furthest corners of your home, especially if you have a large apartment or house, you can use an Eve Extend Eve Extend Bluetooth Range Extender. 

 

100 % Privacy

Eve accessories are designed to safeguard your personal data. All data is fully encrypted and only transferred directly between the Eve accessory and your iPhone, iPad or home hub. Strong encryption verification during each connection attempt makes sure that only you hold the key to your home.

Learn here how to install Eve Thermo 

Eve Thermo

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Eve Thermo – Set of 3

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Eve Thermo +
Eve Door & Window

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‎Eve für HomeKit
‎Eve für HomeKit
Developer: Eve Systems GmbH
Price: Free
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