Winsen
MH-Z19 CO2 sensor
Sensors · Security
Works
1 report: 1 says it works.
Reported with 1 integration: OpenGrowBox.
What people report
| Integration | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| OpenGrowBox | Works | Listed CO2 sensor in READMESaved copySupported devices: Any HA Device: Lights, sensors, switches, climate devices; FridgeGrow Integration: Native Plantalytix controller support; Modbus Devices: Industrial sensors and controllers; ESPHome Devices: Custom firmware for unlimited possibilities; Temperature/Humidity: DHT11/22, SHT30, BME280, industrial sensors; CO₂ Sensors: MH-Z19, SenseAir S8, industrial CO₂ monitors; Soil Sensors: Capacitive moisture, pH/EC probes, temperature; Light Sensors: PAR meters, lux sensors, spectrum analyzers; Climate Control: Heaters, coolers, humidifiers, dehumidifiers; Lighting: LED grow lights, … Excerpt saved from the README on 2026-10-23. | README |
Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.
In ReReHome
Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.
Identifiers
| Brand | Winsen |
|---|---|
| Model | MH-Z19 |
| Category | Sensors |
