[APP][Pro] Homematic App - Connect Homematic with Homey

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Hello together, my name is Johann and I am new in this forum.

3 years ago I installed a smart home with homematic ip, using a CCU3. It works very well, but now I want to install some lights (matter /zigbee) and in some months I would like to add a viessmann heating (Vi Care). And in the future… Who knows…

At this point the decision to make is between Home Assistant and Homey pro, which I would prefer, because I am not a „Pro".

My questions are the following:

  1. When I integrate the CCU, will I be able to use all components, which had been connected with this CCU before ( Hmip SWDM W, Hmip WTH 2, Hmip Falmot C12, Hmip eTRV 2I9F, Hmip SWSD 2, Hmip PS 2, Hmip SMO A2, Hmip RC 8).
  2. In case the system will not work properly using the Homey- Homematic app: will it be posssible to return to homematic app and CCU3 without connecting all items piece by piece?

Generally what would you think: should I try the (easier) way using a Homey Pro or the Home Assistant the more suitable solution.

I read a lot in this forum, but please forgive me, if I have overlooked appropriate answers.

359

  1. Currently, only the devices listed in the Homey App Store are supported: Homematic | Homey
    :white_check_mark: Supported: HmIP-FALMOT-C12, HmIP-RC8
    :cross_mark: Not supported: HmIP-SWDM-2, HmIP-WTH-2, HmIP-eTRV-2I9F, HmIP-SWSD-2, HmIP-PS-2, HmIP-SMO-A2

  2. The Homematic devices remain connected to the CCU3; Homey simply uses the CCU3 to control these devices. This means you can control the devices simultaneously using both the original Homematic app and the Homey smartphone app.

360

Thanks for your reply. I think I will order a Homey Pro and try it. If it does not work as

expected, it will return. Anyway, I will keep you updated.

361

Honestly, if your starting point is Homematic IP, like mine, since the majority of my smart home is built around it, there’s currently no real alternative to Home Assistant. Homey would also be my platform of choice, but at the moment there is no Homematic IP app for it outside of the CCU ecosystem and it is not longer actively maintained. The HCU and the Homematic IP Access Point are clearly the devices eQ-3 is focusing on and I would most likely prioritize in the event of an official Homey integration.

The old CCU-supported Homey app will probably still work with the components that were already supported back then. Personally, however, I would not rely on an app that is no longer being maintained and has not seen active development for years. In contrast, the Home Assistant integration is being actively developed for the CCU, the Access Point, and now also the HCU.

Of course, it also depends on which Homematic components you have and whether the old, no-longer-maintained Homey app already supports them. If it does, I might lean toward Homey. But in your case, that does not seem to be the case.

I wish it were the other way around as well, but for now, it simply seems logical to start with Home Assistant, at least until eQ-3 officially supports Homey via a certified plugin. And even if that happens, it will most likely only support the HCU, since it is the only device that supports plugins.

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PS: I even tried integrating the Homematic devices (that were already connected to Home Assistant via a fairly stable integration) into Homey using one of the Home Assistant apps for Homey. Even though it works, it’s still a makeshift solution

363

Thanks a lot for this detailed reply, which answers my questions. I cancelled my order for a Homeey Pro and will try it with a raspberry.

You grow with your tasks​:joy:

364

In my opinion, it’s simply more honest to answer this way and not let you run into frustration, even though I really think Homey is great. However, in a Homematic setup like your smart home, it just doesn’t make sense yet. That doesn’t mean you shouldn’t check back here later, though. Maybe something will change on eQ3’s side, and Abe did mention that they’re working on an app, although that would only be for the HCU, if the app ever gets released.

The Homematic HCU isn’t exactly cheap either, so for now your money is probably better spent on a HCU to at least have a chance of using a Homey app in the future. There’s also Homey Self-Hosted solution, which could become interesting for you down the line if things develop further, as it wouldn’t require additional hardware.

But for now, we’ll just have to wait.