# Eve Thermostat (underfloor heating)

*Eve / 20ECT1701, 10ECT1751*

> The Thermostat for underfloor heating is a wall-mounted Thread thermostat for water-based underfloor heating, with Matter support. It works with HomeKit, Google Home, Alexa, Home Assistant and SmartThings. It needs a Matter controller and a Thread border router. It suits HomeKit, Google Home, Alexa, SmartThings and Home Assistant users, with native support through Matter over Thread.

- Canonical page: https://smarthomecanon.com/devices/eve-thermostat-underfloor
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Eve](https://smarthomecanon.com/brands/eve) |
| Category | Thermostat |
| Model numbers | 20ECT1701, 10ECT1751 |
| Status | Current[^1] |
| Type | Wall thermostat for underfloor heating[^2] |
| Radio | Thread, plus Bluetooth LE[^2] |
| Matter | Matter over Thread[^2][^3] |
| Power | 100-240 V AC mains[^2] |
| Thread role | unknown |
| Region | Europe (first sales in Germany, Austria and Switzerland)[^3] |
| Released | Announced 2025-12; due 2026-Q1[^3] |

## Integration paths

**How the Eve Thermostat (underfloor heating) connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter / Thread](https://smarthomecanon.com/protocols/matter-thread) | Matter controller, Thread border router[^2] | unknown | unknown |

**Platform support for the Eve Thermostat (underfloor heating)**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter / Thread | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^2] |  |
| Matter / Thread | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^2] |  |
| Matter / Thread | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^2] |  |
| Matter / Thread | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | Native[^2] |  |
| Matter / Thread | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Native[^2] |  |

## Releases

**Eve Thermostat (underfloor heating) release events**

| Date | Event | Detail |
| --- | --- | --- |
| 2025-12-09[^3] | Announced | Announced for Germany, Austria and Switzerland. |
| 2026-Q1[^3] | Expected | Due in Q1 2026 in Germany, Austria and Switzerland. |

## Related pages

- [Eve thermostats and radiator valves](https://smarthomecanon.com/lines/eve-thermostats-and-valves) (line)
- [Eve](https://smarthomecanon.com/brands/eve) (brand)
- [Matter over Thread](https://smarthomecanon.com/protocols/matter-thread) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)

## Sources

[^1]: Eve Store (US): product list. https://www.evehome.com/en-us/store (manufacturer, checked 2026-10-20)
[^2]: Eve: Eve Thermostat. https://www.evehome.com/en-us/eve-thermostat (manufacturer, checked 2026-10-20)
[^3]: Eve press release, 2025-12-09: Eve Thermo 5th generation and Eve Thermostat. https://www.evehome.com/en/news/eve-thermo-5th-generation (manufacturer, checked 2026-10-13)