[APP][Pro] Remeha Home

Hi,

Just came back from my vacation, that’s why I didn’t respond for a while :sweat_smile:

I don’t have a timeline yet, basically all features aside from the current ones rely on my being able to obtain more information about Remeha’s API. There is no official API, so I’m talking against the one that the Remeha Home mobile app uses. This API is not documented apart from what some other people out there have been able to reverse engineer (for example for the Remeha Home Assistant integration). I have sent an email to Remeha but so far they have been unresponsive. I guess they don’t really care about 3rd party integration with their systems. If anyone wants to send some emails to Remeha support to further press this issue that would be greatly appreciated!

Chris

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I will! Perhaps you have the email so we all can send it to the same address?
I hope it helps because Remeha isn’t that consumer friendly. They always refer you back the install company if you have questions….

I used their public support email address: info@remeha.nl

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Hi Chris,

Recently there seems to be a problem when accessing setting. See screenshots.


I’ll look into it. Probably some value is no longer coming back from the Remeha Home API and I’m trying to access that value with a startsWith function.

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I’m looking for a way to get the waterpressure of the system but I stumble into this one :

Is this still the case ?
And also, does it mean the value is somewhere in there, but just not reported by the RF eTwist ?

Hi,

The heat pump probably has this value somewhere internally and show it on the built-in LCD display, and probably the installer or Remeha technicians can access it. However the eTwist Smart Thermostat does not report the value to the Remeha Home cloud platform, meaning I cannot grab it from there in the Homey integration. Whether the eTwist doesn’t receive the value from the heat pump at all, or the eTwist simply doesn’t expose it I don’t know. You might be able to check this by connecting another OpenTherm-compatible smart thermostat to the heat pump.

Chris

I know the wired eTwist does report it and it’s visible in Insights. See picture.
Strangely enough in the beginning it also reported the CV water temperature but that unfortunately doesn’t work anymore so it seems Remeha does change these things on their end in some updates.

Yeah Remeha doesn’t have an official API so we’re all just reverse-engineering whatever their mobile app talks to. None of it is officially supported by Remeha and they probably change stuff when they want to for their own app. I’m quite surprised the whole authentication method still works actually :sweat_smile:

“connecting another OpenTherm-compatible smart thermostat to the heat pump.”

Sorry, I just ran out spare smart thermostats :wink:

Haha just borrow one from a friend :joy:

It was a far stretch of course, but either way the data doesn’t come from the wireless eTwist, and likely never will as Remeha doesn’t seem to be actively adding functionality to their systems after shipping.

Friends ? I don’t have friends, just fellow-geeks :laughing:

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I have published a new test version of the app that should resolve some of the reported crashes. I have also added alarms for when the heating unit is offline or reports an error. Next on the development timeline is setting the hot water mode (requested by @Marcus_Bitterling).

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Awesome.
Will test it now.
Looking forward to other enhancements!
Thanks

Are you planning on creating a flow with for example the ‘offline’ event? Similar to ‘wateralarm’ in the screenshot.
My eTwist tends to go offline pretty often and a heads-up through Homey would be great.

Hallo,

to switch my floorheating pump it would be nice to read out the status of the status of the device. In the API i see that there is activeconfortdemand which is now saying producing heat. The app also says heating .


and when setting temperature down so the app says stand-by, the API says Idle:
image
If you can incorperate the status of the heatpump we can use this for other events, like switching on floor heating pumps.

Thanks for the great work already done :slight_smile:

Hi Marcus,

Very logical feature request, I’ll add it to the backlog!

Chris

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Hi @skullgoof,

Definitely a useful feature! It’s been requested before, the GitHub backlog item can be found here: Feature: current heating mode flow card · Issue #17 · ChrisTerBeke/homey-remeha · GitHub. Feel free to add additional information to it.

Chris

I’m all of a sudden getting some errors;

No waterpressure was to expected since my eTwist is wireless…
No idea what the errors are…

If the pressure in your CV is oké it must be a false report form the API

Also it’s funny to see that in your case the temperature of the CV water is reported as 36°
In the beginning this worked for me as well but a while ago it stopped.

@Chris somehow this API still seems to report the warm water temperature. Perhaps interesting to find out why?