# \[APP\]\[Pro\] Itho Daalderop - Make ventilation smart with Homey and NRG.Watch

**URL:** <https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944>\
**Category:** Apps\
**Tags:** app, community-app\
**Created:** [September 14, 2025, 9:43am UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944 "2025-09-14T09:43:03Z")\
**Posts on this page:** 20\
**Page:** 2

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**Author:** ![ObelixNL](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/obelixnl/32/172250_2.png) [@ObelixNL](https://community.homey.app/u/ObelixNL)\
**Post date:** [September 24, 2025, 6:54pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/22 "2025-09-24T18:54:24Z")

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Do you have a CO2 sensor?

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**Author:** ![Mariomark1541](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/mariomark1541/32/178160_2.png) [@Mariomark1541](https://community.homey.app/u/Mariomark1541)\
**Post date:** [September 25, 2025, 7:25am UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/23 "2025-09-25T07:25:38Z")

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No

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**Author:** ![MaxJ](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/maxj/32/16541_2.png) [@MaxJ](https://community.homey.app/u/MaxJ)\
**Post date:** [September 25, 2025, 9:20am UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/24 "2025-09-25T09:20:52Z")

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I’m getting an error when trying to add the module.

 ![Screenshot 2025-09-25 at 11.12.24](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/c/9/c927ec78faac7a1bed1ff108e733a288bf37f52e.png)

No matter what options I select, on the last step I get the error. It has worked before (on an older version of the app) But I had to remove it and add it again because of some other issues, not related to your app.

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**Author:** ![Arnold\_vd\_Linden](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/arnold_vd_linden/32/19336_2.png) [@Arnold\_vd\_Linden](https://community.homey.app/u/Arnold_vd_Linden)\
**Post date:** [September 25, 2025, 6:08pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/25 "2025-09-25T18:08:55Z")

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My Itho is triggered via a flow to go to 100% because of the humidity in the badroom, but the sloder in the device stays at zero.

Is there a way to fix this?

 ![IMG_4337](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/d/c/dc93d8c52b1affd0eb2edfe12f45b34cb1f3848d.jpeg)

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**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\
**Post date:** [September 25, 2025, 6:27pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/26 "2025-09-25T18:27:13Z")

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Works as expected @ Pro 2019?

@ObelixNL Stèphan, I just discovered the slider values in the _Set fan speed_ flow card are a factor too big, in the screenshot it should be 50 - 60% ish:  
(Pro 2019)

 ![Screenshot_20250925_202333_Firefox](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/4/8/48f8b1db85cb303d37f06304bf18b0bb50d843d6.jpeg)

 ![Screenshot_20250925_202945_Firefox](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/a/6/a6b04a4f78761f3ff2944944857bfa93ede9543b.jpeg)

 ![Screenshot_20250925_203005_Firefox](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/c/c/ccccda0e0067ef6a10b8af60b65e468f571a27ea.jpeg)

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<div class="post-metadata">

**Author:** ![ObelixNL](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/obelixnl/32/172250_2.png) [@ObelixNL](https://community.homey.app/u/ObelixNL)\
**Post date:** [September 27, 2025, 8:47am UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/27 "2025-09-27T08:47:47Z")

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Fixed in 1.0.16

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<div class="post-metadata">

**Author:** ![Mariomark1541](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/mariomark1541/32/178160_2.png) [@Mariomark1541](https://community.homey.app/u/Mariomark1541)\
**Post date:** [September 29, 2025, 3:11pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/28 "2025-09-29T15:11:40Z")

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@ObelixNL

The slider also does not stay at the correct percentage.

When I lower it, it slides up again

The same applies when I do this with the virtual remote then it does not update the status of the slider

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<div class="post-metadata">

**Author:** ![ObelixNL](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/obelixnl/32/172250_2.png) [@ObelixNL](https://community.homey.app/u/ObelixNL)\
**Post date:** [September 29, 2025, 3:33pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/29 "2025-09-29T15:33:29Z")

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That’s correct , the slider in the NRG Watch portal is also on the same percentage.

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**Author:** ![Milco\_Lanckohr](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/milco_lanckohr/32/120744_2.png) [@Milco\_Lanckohr](https://community.homey.app/u/Milco_Lanckohr)\
**Post date:** [October 2, 2025, 11:35am UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/30 "2025-10-02T11:35:40Z")

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Hello, It looks like a great app. The problem I have is I can’t find my itho box.

If I enter the ip adress it can not find the box.

The webserver is available in the webbrowser.

What am I doing wrong?

Thank you.

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<div class="post-metadata">

**Author:** ![ObelixNL](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/obelixnl/32/172250_2.png) [@ObelixNL](https://community.homey.app/u/ObelixNL)\
**Post date:** [October 2, 2025, 12:02pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/31 "2025-10-02T12:02:23Z")

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Can you send me a DM with screenshots? also from de webbrowser

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<div class="post-metadata">

**Author:** ![ObelixNL](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/obelixnl/32/172250_2.png) [@ObelixNL](https://community.homey.app/u/ObelixNL)\
**Post date:** [October 2, 2025, 12:06pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/32 "2025-10-02T12:06:02Z")

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Unfortunately, the previous version of the app has been rejected by Homey due to an issue with its internal name. To continue using the Itho Daalderop integration, please install the updated version of the app via the following link:

🔗 [Itho Daalderop – New App on Homey](https://homey.app/nl-nl/app/nl.monkeysoft.nrgwatch/Itho-Daalderop/)

Once installed, kindly update your existing flows by replacing the old app with the new one to ensure everything continues to work smoothly.

Apologies for the inconvenience, and thank you for your understanding!

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<div class="post-metadata">

**Author:** ![Mariomark1541](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/mariomark1541/32/178160_2.png) [@Mariomark1541](https://community.homey.app/u/Mariomark1541)\
**Post date:** [October 2, 2025, 4:12pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/33 "2025-10-02T16:12:35Z")

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But don’t work for me the slider and with the new app I miss thismoption?

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**Author:** ![Milco\_Lanckohr](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/milco_lanckohr/32/120744_2.png) [@Milco\_Lanckohr](https://community.homey.app/u/Milco_Lanckohr)\
**Post date:** [October 3, 2025, 7:33am UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/34 "2025-10-03T07:33:52Z")

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![image0.png]() ![image1.png]() ![image2.png]() ![image3.png]() ![image4.png]() ![image5.png]()

This is what I get.  
The picture of the server I Will sent to you monday. I am not at home till monday.

Thank you

Milco

Vriendelijke groet Milco Lanckohr

> **(attachments)**
>
> ![image0.png](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/f/1/f1ea8e28e8a251e48cef4104f5fcd1aef2356706.png)  
> ![image1.png](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/b/b/bb808ca1e254cf754c3b4874d1a5fe522b0dc007.png)  
> ![image2.jpg](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/2/2/22ec9049605c1ca51b3c29840fa60daedb8a99af.jpeg)  
> ![image3.png](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/9/4/94a58a308040a4e289bd5f92dfbb065d828d8d2c.png)  
> ![image4.png](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/f/1/f1d9d640f1ede91d861dc4cc6cc34ddd71feff25.png)  
> ![image5.png](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/0/6/068775f3d49239446254bb9c55e50d9f03203d40.png)

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**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\
**Post date:** [October 3, 2025, 2:13pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/35 "2025-10-03T14:13:35Z")

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Hi Milco,

●Duplicate IP addresses in use maybe?  
●Is Homey’s IP address in the 192.168._ **68** _.x range?  
●Do you use VLAN’s / multiple subnets?  
●When you install a [Net Scan app](https://community.homey.app/t/app-pro-netscan-version-2-0-6-test-version-2-0-8/47454) “TCP port” device, IP `192.168.68.145` + port `80`, does it detect the nrg print?

If interested, a nice network check tool [here](https://play.google.com/store/apps/details?id=com.appsinception.networkinfo).

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<div class="post-metadata">

**Author:** ![ObelixNL](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/obelixnl/32/172250_2.png) [@ObelixNL](https://community.homey.app/u/ObelixNL)\
**Post date:** [October 6, 2025, 8:55am UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/36 "2025-10-06T08:55:06Z")

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Can you send me a DM?

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<div class="post-metadata">

**Author:** ![Davkam](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/davkam/32/17154_2.png) [@Davkam](https://community.homey.app/u/Davkam)\
**Post date:** [November 3, 2025, 7:14pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/37 "2025-11-03T19:14:29Z")

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Hallo, ik heb de module geïnstalleerd en de app op homey pro, als ik op een remote van de box druk dan zie ik in de app de status veranderen van bijvoorbeeld midden naar hoog, echter in de app kan ik niets aansturen, schiet elke keer weer terug, ook een flow aanmaken om naar een andere status te gaan doet ie niet, lijkt wel of de app alleen leest? wat doe ik niet goed?

alvast bedankt.

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**Author:** ![Martin\_Meerman](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/martin_meerman/32/123836_2.png) [@Martin\_Meerman](https://community.homey.app/u/Martin_Meerman)\
**Post date:** [November 6, 2025, 12:15pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/38 "2025-11-06T12:15:53Z")

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Same here ☹

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<div class="post-metadata">

**Author:** ![ObelixNL](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/obelixnl/32/172250_2.png) [@ObelixNL](https://community.homey.app/u/ObelixNL)\
**Post date:** [November 6, 2025, 5:56pm UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/39 "2025-11-06T17:56:52Z")

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We can speak Dutch in DM, this threat is English only sorry.

You have a CO2 sensor? Then you must configure virtual remote otherwise the sensor overwrite the settings.

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<div class="post-metadata">

**Author:** ![Davkam](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/davkam/32/17154_2.png) [@Davkam](https://community.homey.app/u/Davkam)\
**Post date:** [November 7, 2025, 9:11am UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/40 "2025-11-07T09:11:04Z")

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no, no co2 sensor

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<div class="post-metadata">

**Author:** ![ObelixNL](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/obelixnl/32/172250_2.png) [@ObelixNL](https://community.homey.app/u/ObelixNL)\
**Post date:** [November 7, 2025, 9:26am UTC](https://community.homey.app/t/app-pro-itho-daalderop-make-ventilation-smart-with-homey-and-nrg-watch/142944/41 "2025-11-07T09:26:54Z")

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Works the web interface and changing the mode from the web interface?

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