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Google Nest Learning Thermostat (4th gen) vs Sensi Smart thermostat

Full Smart Thermostats comparison in 2026

Updated October 2026
Data from Amazon and official Google and Sensi sites.
2026 verdict
The Google Nest Learning Thermostat (4th gen) is the smart thermostat to choose here, doing more than the Sensi Smart thermostat on almost every row except price and warranty.
Google Nest Learning Thermostat (4th gen)
Winner
Google Nest Learning Thermostat (4th gen)
$227.99$279.9919% OFF

Last recorded price

Buy on Amazon USA
It includes a temperature sensor, learns a schedule on its own, senses presence, occupancy and ambient light, sends temperature alerts, runs a System Health Monitor and connects on both Wi-Fi bands with Bluetooth. The Sensi Smart thermostat answers with the lower price, a three year warranty against two, full Home Assistant support where the Nest is partial, and a wide 5 inch monochrome display with physical buttons. Both work with Google Home, Alexa and SmartThings and measure temperature and humidity, and only the Nest reaches Apple Home, through Matter. Pick the Google Nest Learning Thermostat (4th gen) for multi-room comfort that runs itself, and the Sensi Smart thermostat for a simple, long-warranty unit that Home Assistant fully supports.
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FeatureGoogle Nest Learning Thermostat (4th gen)Sensi Smart thermostatWinner
Price$227.99$98.98Sensi Smart thermostat
Warranty2 years3 yearsSensi Smart thermostat
Included accessoriesTrim Plate, Temperature SensorNoneGoogle Nest Learning Thermostat (4th gen)
Connectivity2.4 GHz WiFi, 5 GHz WiFi, Bluetooth2.4 GHz WiFiGoogle Nest Learning Thermostat (4th gen)
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter, External Temperature SensorsGoogle Home, Alexa, Samsung SmartThings, Home AssistantGoogle Nest Learning Thermostat (4th gen)
SensorsProximity / Motion, Occupancy, Temperature, Humidity, Ambient LightTemperature, HumidityGoogle Nest Learning Thermostat (4th gen)
AlertsTemperature AlertsNoneGoogle Nest Learning Thermostat (4th gen)
System Health MonitorYESNOGoogle Nest Learning Thermostat (4th gen)
Rating4.44.4Tie
ScreenYESYESTie
Energy SavingsYESYESTie
Voice ControlYESYESTie

What the differences mean

Room sensor

The Google Nest Learning Thermostat (4th gen) includes a temperature sensor and can follow it at chosen times of day. The Sensi Smart thermostat supports no external sensors, so it always heats and cools to the reading at the wall.

Learning and presence

The Nest learns your routine, suggests schedule changes and uses proximity and occupancy sensors to notice an empty house. The Sensi Smart thermostat has manual and automatic scheduling but no presence sensing and no schedule suggestions.

Display and controls

The Google Nest Learning Thermostat (4th gen) has a 2.7 inch 600 x 600 colour display with a rotating ring that also shows the weather. The Sensi Smart thermostat has a larger 5 inch monochrome LED display with physical controls and no weather.

Platform support

The Google Nest Learning Thermostat (4th gen) supports Matter, which is how it joins Apple Home. The Sensi Smart thermostat has no Matter and no Apple Home, but full Home Assistant support, where the Nest is only partial.

Warranty

Sensi covers its thermostat for three years and Google covers the Google Nest Learning Thermostat (4th gen) for two.

Which one to buy if

Winner
Google

Google Nest Learning Thermostat (4th gen)

19% OFF
Prime exclusive deal
$227.99
$279.99

Last recorded price

Buy on Amazon USA
  • + Included accessories: Trim Plate, Temperature Sensor
  • + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter, External Temperature Sensors
  • - Price: $227.99 vs $98.98
  • - Warranty: 2 years vs 3 years
Sensi

Sensi Smart thermostat

24% OFF
Prime exclusive deal
$98.98
$129.99

Last recorded price

Buy on Amazon USA
  • + Price: $98.98
  • + Warranty: 3 years
  • - Included accessories: None vs Trim Plate, Temperature Sensor
  • - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth

What owners say

Google Nest Learning Thermostat (4th gen) owners come back to two things: learning that works out when they are home or away without a schedule to program, and a large animated colour display they see as a major step up from older Nests. They like pre-heating or pre-cooling from the app, the report-backed savings of presence-based away mode, and an included sensor that lets them favour the rooms they actually use. The warnings are about power and software: some units would not run without a dedicated C-wire, control is now limited to the Google Home app and it is built for North American HVAC. Sensi Smart thermostat owners describe a guided self-install, easy schedules and geofencing, but note the app's US and Canadian address requirement.

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.

  • Google Nest Learning Thermostat (4th gen)
  • Sensi Smart thermostat

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Frequently Asked Questions

Sensi vs Nest Learning Thermostat: which is better?

The Google Nest Learning Thermostat (4th gen), for its included room sensor, self-learning schedule, presence sensing, Matter support and System Health Monitor. The Sensi Smart thermostat is cheaper, carries a three year warranty and has full Home Assistant support.

What is the biggest difference between the Google Nest Learning Thermostat (4th gen) and the Sensi Smart thermostat?

The Google Nest Learning Thermostat (4th gen) is a sensor-rich thermostat that learns and balances rooms with an included sensor, while the Sensi Smart thermostat is a simpler thermostat with physical controls that works from the temperature at the wall.

Do the Google Nest Learning Thermostat (4th gen) and the Sensi Smart thermostat work with Apple Home?

Only the Google Nest Learning Thermostat (4th gen), which joins Apple Home through Matter. The Sensi Smart thermostat does not work with Apple Home. Both support Google Home, Alexa and SmartThings.

Which has the longer warranty, the Google Nest Learning Thermostat (4th gen) or the Sensi Smart thermostat?

The Sensi Smart thermostat, with three years against two for the Google Nest Learning Thermostat (4th gen).

Who should buy the Google Nest Learning Thermostat (4th gen)?

Google or Matter homes that want a thermostat that programs itself, balances rooms with a sensor and flags HVAC problems, and that have a C-wire ready.

Who should buy the Sensi Smart thermostat?

Buyers who want a straightforward thermostat with buttons, a large display, a three year warranty and full Home Assistant support, and who do not need room sensors.

Full comparison table

Compare all 23 Thermostats side by side

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  • 23 Thermostats
  • 51 specs compared
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