[App][Pro] Danfoss Ally

pendojoshua
Sun, 14 Dec 2025 21:26:01 +0000
Apps

If you’re like me and using Danfoss Ally products for managing the temperature in your home, you probably missed decent options to integrate these products in your automation flows. As far as I know the only option was to have them run via the Tuya app.

This app does what the Danfoss Ally app can do. It requires setting up a developer account at Danfoss (explained below) and uses their API to read and control the devices.

A big thanks goes to the developer(s) that made the HomeAssistant app. They did al the heavy lifting. All I did was instruct my AI Agent (Claude) to port the code. Honestly, I did some testing of course but that’s about it. You can buy MTrab a coffee via this link: https://www.buymeacoffee.com/mtrab.

Supported devices

I’m limited to the devices below, these are all I have. I’m willing to help out to get more device types connected but since I don’t own them that might be a little bit harder to accomplish. Just so you know.

Danfoss Icon2 Main Controller (no capabilities)

Danfoss Icon2 Room Thermostat with IR floor sensor

Danfoss Icon2 Room Thermostat

Danfoss Icon2 Room Sensor

Danfoss Ally Radiator Thermostat

Danfoss Ally Room Sensor

Danfoss Ally Gateway (no capabilities)

Danfoss Ally Zigbee module

Flow charts

All default thermostat and sensor flow charts are available to use. Read and react on temperature or humidity changes and set temperatures in your rooms.

Installation

After installing the app you must register and create an application at https://developer.danfoss.com. It’s as easy as signing up and creating the app via your user menu. Choose a name and make sure to select Danfoss API on the right side. After saving click on your app name where you’ll find the app id and secret codes.

Make sure both your Danfoss Ally app and the developer account use the same emailaddress!

In your Homey visit the apps page, open Danfoss Ally and add both codes to their respective fields in the settings. As soon as you’ve done that, you can add the devices, add them to the correct rooms and start automate the temperature settings or use temperature/humidity values in other flows.

I’ve created a little video how-to on what steps to take:

Roadmap

Right now there are no plans for new features, but feel free to request things you’re missing.

Changelog

Visible in the app store.

Homey Appstore

homey.app

Danfoss Ally | Homey

Automatiseer je Danfoss Ally thermostaten

Source code

I’ve open-source the source code of this app. It can be found in the Github repository below. Feel free to contribute.

github.com

GitHub - PendoNL/nl.pendo.danfoss-ally

Contribute to PendoNL/nl.pendo.danfoss-ally development by creating an account on GitHub.

53 posts - 8 participants