Do you have an app for Heatmiser Edge? November 13, 2019 05:54 Follow No, we have no app for Edge The Edge series is designed to be integrated into 3rd party systems via Modbus. Related articles Which Edge model should i select? Where can I download the Modbus register table for the Heatmiser Edge? How can I change the frost protection temperature in the Edge? My thermostat is showing as OFFLINE in my app Can I use Edge with the UH4 / UH6 or UH8?