# GE Cync Smart Thermostat

*GE Cync / CTHMCAPPEKB1-1*

> The Cync Smart Thermostat is an ENERGY STAR certified Wi-Fi thermostat. It is a Cync app device. It has no Matter support. It suits Google Home and Alexa users, with native support through the maker's cloud.

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

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [GE Cync](https://smarthomecanon.com/brands/cync) |
| Category | Thermostat |
| Model numbers | CTHMCAPPEKB1-1 |
| Status | Current[^1][^2] |
| Connection | Cync app only[^2] |
| Matter | No[^2] |
| HomeKit | unknown |
| Radios | Wi-Fi, Bluetooth[^2] |
| Type | Thermostat[^2] |

## Integration paths

**How the GE Cync Smart Thermostat connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | 2.4 GHz Wi-Fi network, Cync app[^2] | unknown | unknown |

**Platform support for the GE Cync Smart Thermostat**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^2] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^2] |  |

## Related pages

- [Cync remotes, sensors and thermostat](https://smarthomecanon.com/lines/cync-remotes-and-sensors) (line)
- [GE Cync](https://smarthomecanon.com/brands/cync) (brand)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)

## Sources

[^1]: GE Lighting: Cync smart home products. https://www.gelighting.com/smart-home (manufacturer, checked 2026-10-16)
[^2]: GE Cync Smart Thermostat, ENERGY STAR Certified Programmable WiFi Thermostat, Works with Alexa and Google Home - GE Lighting. https://www.gelighting.com/led-lights/bulbs/ge-cync-smart-thermostat-energy-star-certified-programmable-wifi-thermostat-works (manufacturer, checked 2026-10-16)