The Nest Learning Thermostat (4th gen) is Google’s smartest, most advanced thermostat yet. It’s a brilliant way to save energy and keep your home comfortable. It learns the temperatures you like, when you like them, even as your routine changes.¹ It gets to know how outdoor temps naturally heat and cool your home to save energy.¹ And it helps make sure your heating and cooling systems run smoothly.²
Improved compatibility.
It works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant, and no C wire is required for installation in most homes.³
Better visibility into adjustments.
Smart Schedule learns the temps you like, and when you like them. It asks for permission to make schedule changes to help you save energy. You’ll receive notifications in the Google Home app, and you can view and accept changes with a tap.¹
Beautiful design.
With a 60% larger display⁴ and Dynamic Farsight, you can see info from across the room.¹ Choose the design – a clock, the temp, weather, and more. It automatically adjusts brightness for the best readability or you can adjust manually.
Easy control in the Google Home app.
Adjust the temperature on your phone from anywhere¹ or by using your voice.⁵ It’s easy to install yourself³ and it’s Matter compatible for simple integration into your smart home.⁶
Manage hot and cold spots.
The Nest Learning Thermostat (4th gen) comes with a Nest Temperature Sensor (2nd gen) and works with any Nest Temperature Sensor. Put a sensor in any room and use the Google Home app to set the temp it should reach at a certain time of day.
Savings you can count on.
The Nest Learning Thermostat (4th gen) can help save an average of 12% on heating bills and 15% on cooling bills.⁷
New natural heating and cooling.
Your thermostat learns how the temperature outside affects the temperature inside (for example, when the sun coming through the windows will heat the house naturally) and pauses your system to help you save.¹
New Adaptive Eco.
It uses the temperature outside to help find an energy-saving temperature when you’re away and returns to a comfortable temperature within an hour of your return.¹
Looks out for your heating and cooling system.
System Health Monitor helps catch many issues early. And if something needs attention, it can send an alert.⁸
Your HVAC heads-up.
When it’s time to change your air filter, you’ll get an alert based on actual use.⁸ And you’ll get seasonal maintenance reminders.
Smart is in the air.
To save energy, smart ventilation brings in fresh air when outdoor air quality is healthy and most efficient, like when temps are mildest.¹,⁹
Clean energy made simple.
Energy Shift from Nest Renew can automatically shift your energy use to cleaner or cheaper times.¹⁰
Specifications
Key Specs
- Color: Polished Silver
- App Compatible: Yes
- Compatible with 24V Cooling: Yes
- Compatible with 24V Heating: Yes
- Works With: Google Assistant, Amazon Alexa, Nest
- Voice Assistant Built-in: No
- Touch Screen: No
- Multi-Zone Control: Yes
- Auto-Away Mode: Yes
- Motion Sensing: Yes
- ENERGY STAR Certified: Yes
General
- Brand: Google
- Model Number: GA05551-US
- Product Name: Nest Learning Thermostat (4th gen) with Nest Temperature Sensor (2nd gen)
Dimensions
- Product Height: 1.14 inches
- Product Width: 3.85 inches
- Product Depth: 3.85 inches
- Product Weight: 0.35 pounds
Power
- Wire Configuration: C-wire, 3-Wire
- Power Source: Hard wired, Battery-powered
- Wire Terminals: W (heating), W2 (heating stage 2), Y (cooling), Y2 (cooling stage 2), Aux (auxiliary)
- Rechargeable Battery: Yes
- Battery Chemistry: Lithium
- Voltage Type: Low voltage
Compatibility
- Compatible Product(s): Heat pumps, Air conditioners, Radiators, Furnaces, Hot water systems
- Wireless Connectivity: Wi-Fi, Bluetooth
- Frequency Band: 2.4 GHz, 5.0 GHz
- Operating System Compatibility: Android, Apple iOS, Mac, Windows
Features
- Programmable Period: Learning
- 24-Hour Programming: Yes
- Backlit: Yes
- Date/Time Display: Yes
- Remote Sensor Capable: Yes
- Number of Remote Sensors Included: 1
- Outdoor Weather Sensor: Yes
- Detector Type: Temperature, Air quality, Humidity
- Energy Usage and History: Yes
- Furnace Filter Change Indicator: No
- Keypad Lock: No
Warranty
- Warranty – Parts: 2 Years
- Warranty – Labor: 2 Years
Specifications
- UPC: 193575038469
