Best HomeKit temperature sensors iMore 2021

It's summertime for half of the world, so you may be asking, "Is it hot in here?" quite often at home. If you are equipped with the best HomeKit temperature sensors, then you can take it a step further and automate a process with Siri and have your digital assistant check for you, without even lifting a finger. With a proper HomeKit temperature sensor, you'll get reports on what the current temperature of any given room is, at any time, either through an app or Siri itself. A few are on the market, but these are the best HomeKit temperature sensors that money can buy.

ecobee Smart Sensor on a white background.

The bees' knees: Ecobee SmartSensor - White 2-pack

Staff Favorite

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.

Eve Room Apple Homekit Smart Home Air Quality Temperature Monitor

Indoor temp check: Eve Room Indoor Air Quality Monitor

This monitor not only detects the room temperature, but you can get information about the air quality, humidity, and VOC levels too. The e-ink display makes it super easy to see all of the data quickly and easily. Plus, since it's HomeKit enabled, you can use this as a way to have your scenes automatically turn on once it reaches a certain temperature and more.

Philips Hue Indoor Motion Sensor

Motion +: Philips Hue Smart Motion Sensor (Installation-Free Exclusive for Philips Hue Lights), Hue Bridge Required

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 like any other, allowing it to work with scenes or automations. It can also report the status via Siri on demand. Zigbee connectivity to the Philips Hue Bridge 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 Temperature Sensor

Cost effective: Aqara Temperature and Humidity Sensor

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 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 around the house.

$19 at Amazon
Fibaro Flood Sensor with blue LED indicator light on a white background

Double duty: Fibaro FGBHFS-101 Flood, Water & Temperature Sensor

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.

Mijia Qingping Bluetooth Thermo Hygrometer Homekit Sensor Render

Simple, but effective: MIJIA QingPing Bluetooth Thermo-Hygrometer H Version

This simple little sensor will read and display the current temperature of the room on the display. You can see the data clearly with the 180-degree viewing angle, and you get two options of mounting it: either on a desktop or the wall. It also uses a single button battery, uses low power consumption, and can record data for up to 30 days.

$29 at Amazon
Fibaro Motion Temperature Sensor

Eye of Sauron: Fibaro Motion Sensor Z-Wave Plus Temperature Sensor

A totally unique look

The Fibaro Motion Sensor Z-Wave Plus Temperature Sensor looks like it came straight out of Mount Doom with the unique "Eye of Sauron" look. This sensor gives you quick motion alerts, real-time temperature readings, and even vibration notifications, all of which trigger your HomeKit accessories through automations, and all data is encrypted. You will need a hub, but this sensor is compatible with any open z-wave system like smart things, Vera, Nexia, and more.

$45 at Amazon
Philips Hue Bridge Clear Reco

Connect it: Philips - Hue Bridge 2nd Generation - White

If you want to use the Philps Hue Smart Motion Sensor that we just mentioned, you're going to need the Philips Hue Bridge to make it all work together. The Bridge acts as your central hub for all things automated, including compatible HomeKit products.

Aqara M1s Smart Hub

Connect all da Aqara!: Aqara M1S Smart Hub

If you want to make use of the Aqara Temperature and Humidity Sensor, then you're going to need the Aqara M1S Smart Hub on top of it. With this hub, you can connect various Aqara smart home products that are compatible with HomeKit. In fact, this hub allows you to connect up to 128 Aqara devices (Aqara Zigbee repeaters required), so go nuts!

$50 at Amazon

Stay comfy with the best HomeKit temperature sensors

HomeKit temperature sensors leverage the power of Apple's smart home ecosystem to do more than just tell you the current temperature in a room. These sensors can work in tandem with other great HomeKit accessories, which enable some truly magical automations. For example, you can turn on a smart plug with a fan when the temperature gets a little too hot. When you have the best HomeKit temperature sensors with you, then you won't even have to lift a finger to start up your automations. It makes life so much easier!

If you already have an Ecobee Thermostat, then the Ecobee SmartSensors are definitely the way to go. These compact sensors are completely wireless and report motion to HomeKit, making them available for automations and one of the best HomeKit temperature sensors around.

In the market for a sensor with a built-in display and doesn't require a hub or thermostat? Take a look at the Eve Room Indoor Air Quality Monitor. It not only tells you the temperature of the room that it is in, but you can get readings on the VOC levels from things like paint and even air quality and humidity. It's a great choice if you want something a little more than just temperature.

If you already have some Philips Hue gear in your home, then the Hue Motion Sensor may be the one for you. This sensor works with the Hue Bridge and offers the same rock-solid performance and reliability that the system is famous for.

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