Aqara Climate Sensor W100 vs Nest Temperature Sensor (2nd gen) comparison

Updated August 2026

Data from Amazon and official Aqara and Google sites.

2026 verdict

For most buyers in 2026, Aqara Climate Sensor W100 is the safer pick over Nest Temperature Sensor (2nd gen) because of connectivity, screen, and integrations. Its strongest advantages show up in connectivity, screen, and integrations, with sensors and alerts helping widen the gap. There is still a case for Nest Temperature Sensor (2nd gen), but mainly if price, rating, and battery life are what you value most. As a general recommendation, Aqara Climate Sensor W100 comes out on top.

Winner

Aqara

Aqara Climate Sensor W100

$39.99

Buy on Amazon USA Buy on Amazon Canada

Google

Nest Temperature Sensor (2nd gen)

$39.98

Buy on Amazon USA

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Feature	Aqara Climate Sensor W100	Nest Temperature Sensor (2nd gen)	Winner
Price	$39.99	$39.98	Nest Temperature Sensor (2nd gen)
Rating	3.8	4.4	Nest Temperature Sensor (2nd gen)
Battery Life	2.4 years	3 years	Nest Temperature Sensor (2nd gen)
Connectivity	Bluetooth, Zigbee, Thread Protocol	None	Aqara Climate Sensor W100
Screen	YES	NO	Aqara Climate Sensor W100
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Google Home	Aqara Climate Sensor W100
Sensors	Temperature, Humidity	Temperature	Aqara Climate Sensor W100
Alerts	Temperature Alerts, Humidity Alerts	None	Aqara Climate Sensor W100

Winner

Aqara

Aqara Climate Sensor W100

$39.99

Buy on Amazon USA Buy on Amazon Canada

+ Connectivity: Bluetooth, Zigbee, Thread Protocol
+ Screen: YES
+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- Price: $39.99 vs $39.98
- Rating: 3.8 vs 4.4

Google

Nest Temperature Sensor (2nd gen)

$39.98

Buy on Amazon USA

+ Price: $39.98
+ Rating: 4.4
+ Battery Life: 3 years
- Connectivity: None vs Bluetooth, Zigbee, Thread Protocol
- Screen: NO vs YES

Frequently Asked Questions

Which is better overall: Aqara Climate Sensor W100 or Nest Temperature Sensor (2nd gen)?

Aqara Climate Sensor W100 has the stronger overall profile in this comparison, especially for connectivity, screen, and integrations.

What is the biggest difference between Aqara Climate Sensor W100 and Nest Temperature Sensor (2nd gen)?

Price is one of the clearest differences: Aqara Climate Sensor W100 lists $39.99, while Nest Temperature Sensor (2nd gen) lists $39.98.

Which one looks better on price?

Aqara Climate Sensor W100 is listed at $39.99, while Nest Temperature Sensor (2nd gen) is listed at $39.98. Nest Temperature Sensor (2nd gen) (better spec).

Who should buy Aqara Climate Sensor W100?

Choose Aqara Climate Sensor W100 if your priority is connectivity and screen and that matters more than price.

Who should buy Nest Temperature Sensor (2nd gen)?

Choose Nest Temperature Sensor (2nd gen) if your priority is price and rating and that matters more than connectivity.

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