Updated September 2026
Data from Amazon and official Ecobee and YoLink sites.
2026 verdict
YoLink Smart Wireless Thermometer Hygrometer is the one to buy here unless you are shopping for an ecobee thermostat accessory, because it measures humidity and alerts you on its own.
It sends temperature and humidity alerts through the YoLink app, runs automations, keeps a history and reaches Alexa and Home Assistant, plus Apple Home, SmartThings and Matter through the YoLink Local Hub. The Ecobee SmartSensor does something else: it reports temperature and occupancy to an ecobee thermostat over its own radio, with a coin cell rated for 5 years and a 3-year warranty, and it measures no humidity. Pick the YoLink Smart Wireless Thermometer Hygrometer for a freezer, a crawlspace or an outbuilding, and the Ecobee SmartSensor only to balance rooms for an ecobee thermostat.
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Winner
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| Feature | Ecobee SmartSensor | YoLink Smart Wireless Thermometer Hygrometer | Winner |
|---|---|---|---|
| Price | $99.49 | $14.48 | YoLink Smart Wireless Thermometer Hygrometer |
| Rating | 4.6 | 4.7 | YoLink Smart Wireless Thermometer Hygrometer |
| Connectivity | None | Other | YoLink Smart Wireless Thermometer Hygrometer |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant | Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | YoLink Smart Wireless Thermometer Hygrometer |
| Alerts | Temperature Alerts | Temperature Alerts, Humidity Alerts | YoLink Smart Wireless Thermometer Hygrometer |
| Screen | NO | NO | Tie |
| Sensors | Temperature, Occupancy | Temperature, Humidity | Tie |
What the differences mean
Humidity
The YoLink Smart Wireless Thermometer Hygrometer measures humidity and alerts on it. The Ecobee SmartSensor measures temperature and occupancy only, so it cannot warn you about damp or dry air.
What each one reports to
The Ecobee SmartSensor only talks to an ecobee thermostat and exists to steer it. The YoLink Smart Wireless Thermometer Hygrometer reports to a YoLink hub and your phone, with alerts, history and automations of its own.
Occupancy
Only the Ecobee SmartSensor detects people, which lets the thermostat skip rooms nobody is in. The YoLink measures the climate, not presence.
Battery and warranty
The Ecobee SmartSensor runs on a CR2477 coin cell rated for 5 years and has a 3-year warranty. The YoLink Smart Wireless Thermometer Hygrometer takes an AA battery, and neither its battery life nor its warranty is documented.
Which one to buy if
- you want an alert when a freezer or a crawlspace gets too warm or cold
The YoLink Smart Wireless Thermometer Hygrometer sends temperature and humidity alerts by app, and owners use it exactly there.
- an ecobee thermostat keeps one bedroom too hot or too cold
The Ecobee SmartSensor gives the thermostat that room's temperature and whether anyone is in it.
- you need a humidity reading
The Ecobee SmartSensor has no humidity sensor.
- your home runs on Apple Home and you have no ecobee thermostat
The YoLink reaches Apple Home through the YoLink Local Hub, while the Ecobee sensor needs an ecobee thermostat to do anything.
- - Price: $99.49 vs $14.48
- - Rating: 4.6 vs 4.7
Winner
10% OFF
$14.48
$16.14
- + Price: $14.48
- + Rating: 4.7
- + Connectivity: Other
What owners say
Owners of both describe setup as quick once the base device is in place, a YoLink hub for one and an ecobee thermostat for the other. YoLink Smart Wireless Thermometer Hygrometer owners put it in freezers, fridges, greenhouses, beehives and crawlspaces and praise a signal that reaches through floors and detached buildings, with app, email and text alerts and no subscription; a minority report readings drifting from a reference instrument over time. Ecobee SmartSensor owners talk about comfort: the thermostat finally evens out a hot or cold room and stops conditioning empty ones thanks to occupancy, while they mention spotty range two floors away, an occasional unit that needed a second pairing attempt and a price that feels high for a small puck.
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Ecobee SmartSensor
- YoLink Smart Wireless Thermometer Hygrometer
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Frequently Asked Questions
Which is better overall: Ecobee SmartSensor or YoLink Smart Wireless Thermometer Hygrometer?
The YoLink Smart Wireless Thermometer Hygrometer as a standalone sensor: it measures temperature and humidity, sends its own alerts and runs automations. The Ecobee SmartSensor is only the better buy as an accessory for an ecobee thermostat.
Is the Ecobee SmartSensor a hygrometer?
No. The Ecobee SmartSensor measures temperature and occupancy, not humidity. The YoLink Smart Wireless Thermometer Hygrometer measures both temperature and humidity.
Does the YoLink Smart Wireless Thermometer Hygrometer measure air quality?
No. The YoLink Smart Wireless Thermometer Hygrometer reads temperature and humidity only, and neither it nor the Ecobee SmartSensor has an air quality sensor.
Do they need a hub?
Both need something. The YoLink Smart Wireless Thermometer Hygrometer needs a YoLink hub, and the YoLink Local Hub for Apple Home, SmartThings and Matter. The Ecobee SmartSensor needs an ecobee thermostat.
Who should buy the YoLink Smart Wireless Thermometer Hygrometer?
Anyone monitoring freezers, greenhouses, attics or outbuildings who wants alerts and history without a subscription, especially if they already run YoLink sensors.
Who should buy the Ecobee SmartSensor?
Owners of an ecobee thermostat whose home heats or cools unevenly and who want the thermostat to follow occupied rooms.
Full comparison table
Compare all 34Β Temperature & Humidity Sensors side by side
You are looking at two of them. The full table lines up all Temperature & Humidity Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 34 Temperature & Humidity Sensors
- 43 specs compared
- 39 filters
- YoLink
Smart Wireless Thermometer Hygrometer
10% OFF$16.14$14.48 
GoogleNest Temperature Sensor
10% OFF$39.00$34.99- Ecobee
SmartSensor
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SwitchBotMeter Pro
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SwitchBotMeter Plus
15% OFF$17.99$15.29
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$13.99
AeotecMultipurpose Sensor
$38.99
X-SenseSmart WiFi Indoor Thermometer
23% OFF$14.99$11.59
X-SenseSTH0B Smart Thermometer Hygrometer
6% OFF$12.34$11.59
GoogleNest Temperature Sensor (2nd gen)
$39.98
SonoffSNZB-02DR2 AirGuard TH
$14.90
SonoffSNZB-02WD
$19.90
ShellyBLU H&T ZB
$22.99
ShellyBLU H&T Display ZB
$25.99
SensiEmerson Room Sensor
$45.88
SonoffSNZB-02M AirGuard TH Pressure Sensor
$19.90
SwitchBotMeter
$13.99
SwitchBotIndoor/Outdoor Thermo-Hygrometer
15% OFF$14.99$12.74
AqaraTemperature and Humidity Sensor
$19.98
SonoffLCD Smart Temperature Humidity Sensor
$15.90
Air Quality MonitorsEcobeeSmart Thermostat Premium
4.5(856)27% OFF$204.97$149.63
CamerasEcobeeSmartCamera
4.0(1,324)9% OFF$99.99$90.67
DoorbellsEcobeeSmart Doorbell Camera
4.1(1,066)31% OFF$159.99$109.99
Door & Window SensorsEcobeeSmartSensor for Doors & Windows
4.2(1,282)$57.99- Temperature & Humidity SensorsEcobee
SmartSensor
4.6(8,747)$99.49 
ThermostatsEcobeeSmart Thermostat Enhanced
4.4(3,704)10% OFF$199.99$179.99
ThermostatsEcobeeSmart Thermostat Essential
4.2(1,886)$139.00
ThermostatsEcobeeSmart Thermostat Premium
4.5(856)27% OFF$204.97$149.63
CamerasYoLinkUno
4.2(135)$69.99
Door & Window SensorsYoLinkLoRa Smart Outdoor Contact Sensor
4.5(1,005)$24.99
Door & Window SensorsYoLinkSolar Outdoor Door Sensor
4.5(1,005)$31.99
HubsYoLinkHub
4.5(1,416)21% OFF$29.99$23.59
Motion SensorsYoLinkIndoor Motion Sensor RT
4.5(2,006)$27.99
Motion SensorsYoLinkLoRa 1/4 Mile Motion Sensor
4.5(2,006)$23.99
PlugsYoLinkMini Plug
4.6(702)$19.99
PlugsYoLinkSmart Outdoor Energy Plug
4.6(702)15% OFF$32.98$27.99
Smoke & CO DetectorsYoLinkPhotoelectric Smoke Alarm
5.0(12)$49.99- Temperature & Humidity SensorsYoLink
Smart Wireless Thermometer Hygrometer
4.7(863)10% OFF$16.14$14.48 
Water Leak SensorsYoLinkWater Leak Sensor 1
4.6(6,907)15% OFF$19.99$16.99
Water Leak SensorsYoLinkWater Leak Sensor 4
4.7(1,701)29% OFF$23.99$17.09
Water ValvesYoLinkSmart Sprinkler Timer
4.5(29)8% OFF$59.99$54.99