Best HomeKit Temperature Sensors in 2020

Ecobee's SmartSensors are companions for the Ecobee thermostat that helps to regulate the temperature in rooms across your home. The SmartSensors are completely wireless, running on a single coin battery, and their compact size allows them to be placed just about anywhere. These sensors also include motion sensing, which allows them to work with every device in your HomeKit home, enabling automations such as turning on your lights when motion occurs.

The Eve Degree is a portable powerhouse as it can tag along with you indoors and out thanks to its IPX3 water resistance rating. This beautiful sensor has a clean industrial design, and an easy to read LCD display which can show you the current temperature, humidity, and air pressure of your surroundings. The Eve Degree uses a direct Bluetooth connection to HomeKit and can be set up in seconds with just a scan of its HomeKit code.

The Philips Hue Motion Sensor is our go-to accessory for turning on and off our lights automatically as we come and go. It also just happens to have a temperature sensor. Once your motion sensor is set up with HomeKit, the temperature sensor functions just like any other, allowing it to work with scenes or automations, and can report the status via Siri on demand. Zigbee connectivity to the Philips Hue Hub makes this sensor rock solid when it comes to reliability. Plus, it is lighting fast to respond and update the status of your home.

Aqara's Smart Home Temperature Sensor is an affordable option that has some surprising perks. This tiny sensor reports the temperature to the Home app, plus humidity and atmospheric pressure, all in a package you can put just about anywhere. Even though the sensor itself has a low price, you will need to have the Aqara Smart Home Hub to add it to HomeKit, which may pay for itself if you need lots of sensors for around the house.

If you are in the market for a temperature sensor for one of your kitchen, bathroom, or any other place that has the potential for water damage, then Fibaro's Flood Sensor may be your best bet. Simply place this completely wireless sensor anywhere in your home, and you will have access to temperature monitoring, as well as an alarm that can notify you the instant that water is detected. This sensor can last up to 2 years before needing a battery swap, and it also reports humidity.

Even though the Onvis SMS1's name includes just the motion sensor, this little guy also features temperature and humidity sensors that work with HomeKit. The SMS1 runs on 2 AAA batteries and lasts up to 15,000 hours, making this a set it and forget it type of device. This sensor is also one of the only accessories around that use Bluetooth 5 for connectivity, which allows it to have faster response times and greater range.