Skip to content
Free shipping on all domestic US Orders
Free shipping on all domestic US Orders

Google Nest Learning Thermostat (4th Gen) w/ 2 Temperature Sensor's | Obsidian (Renewed | Like New, Polished Silver)

by Google
Upto 50% off
Current price $150.56
from $150.56
Current price $150.56
Original price $299.99
Original price $299.99
Original price $299.99
Warranty Coverage for defects only. Excludes physical damage. Manufacturer warranty takes precedence if available.
Condition: Excellent - Renewed
Condition Notes: Truly Like-New Condition, no visible scratches and flawless performance. Professionally tested, sanitized, and includes a premium USB Cable.

Only 3 left in stock - Order soon !

Condition: Excellent - Renewed
Condition Notes: Truly Like-New Condition, no visible scratches and flawless performance. Professionally tested, sanitized, and includes a premium USB Cable.
Amazon Ebay Rating

At a glance

View all specifications
Add to compare In comparison
  • The most intelligent Nest thermostat yet—learns your habits, adjusts automatically, and helps reduce heating and cooling costs with smart energy-saving features.
  • Comes with 2 - 2nd Gen Nest Temperature Sensor to manage hot and cold spots; set custom room temperatures and schedules directly in the Google Home app.
  • Control from anywhere using your phone or voice via Alexa or Google Assistant; seamless integration into your smart home ecosystem with Matter compatibility.
  • Features a 60% larger display with enhanced brightness and visibility from across the room; view weather, time, or temperature at a glance.
  • Supports most 24V systems; C-wire not required for most homes—install it yourself in under 30 minutes.

Cellmigo offers all customers a 30-day return policy on New Products, which means you have 30 days after receiving your item to request a return. We have an Extended 90 Day return policy on Renewed (Used/Refurbished) Products. New Products may additionally have Warranty from the manufacturer. Check listing page for warranty information or contact the manufacturer. 

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

Tutorials for Common Issues for Devices we sell can be found here! Below you can find some troubleshooting steps for common issues you are having:

Reset your device before return:

FREE Prepaid US Return Labels (within 30 Days of Shipment):

Prepaid U.S. domestic return labels are available for free if you return your order within 30 days of the shipment date. Please use the following link to generate your repair return label. Note that clicking the incorrect link may result in an "order not found" error. For returns after 30 days, please contact us directly to obtain a manual return label.

Get a Prepaid US Return Label

Purchased on Marketplace

Order # Format

Cellmigo

CM12345

Amazon

123-123456-7891012

eBay

01-12345-78910

Walmart

200011234567890

Backmarket

7012345

International (Non-US) or

Past 30-Day Period

Contact Us

 

Enter your order number and the site will provide your a prepaid return label to return your order. If you are outside of policy, no return label will be provided.

If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. Renewed Items that are allowed to be returned with 90 Days, require a Manual label created by us. Please Contact us with your issue, and we will send you return label. 

You can contact us at Support@cellmigo.com. 

 

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.


Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on Digital items or gift cards.


Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. At Cellmigo, we tend to avoid exchanges as it leads to delays of processing returns. 


Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.


At Cellmigo, we strive to ensure your complete satisfaction with our products. To facilitate a smoother return process, we recommend resetting your device to its original factory settings. For detailed step-by-step reset instructions, kindly visit our blog section, where you can find valuable tutorials to assist you. Our dedicated support team is also available to guide you through this process. Your convenience and satisfaction are of utmost importance to us at Cellmigo.

Summary

Upgrade your smart home with the Google Nest Learning Thermostat (4th Gen, 2024), the most advanced and intuitive smart thermostat Google has ever designed. This elegant, voice-enabled device helps you reduce your energy use without compromising comfort. With cutting-edge features like adaptive eco, dynamic scheduling, and real-time weather awareness, the Nest Learning Thermostat adjusts to your lifestyle and automatically optimizes temperature settings to reduce energy consumption. Its beautiful large display is visible from across the room, and control is seamless using the Google Home App, Alexa, or your Nest smart speaker. Installation is DIY-friendly and works with most common 24V systems — no C wire required for most homes. The included Nest Temperature Sensor helps manage hot and cold spots throughout your space, allowing you to prioritize comfort room-by-room. The Nest Thermostat learns your preferences, improves system efficiency, and helps save an average of 12% on heating and 15% on cooling costs annually. It also integrates effortlessly with other smart home devices and is Matter compatible for future-proof performance. Whether you’re upgrading from a basic model or enhancing your current smart setup, this energy-saving thermostat is the perfect choice for comfort and control.

GENERAL Condition Excellent - Renewed
Condition Notes Truly Like-New Condition, no visible scratches and flawless performance. Professionally tested, sanitized, and includes a premium USB Cable.
Brand Google
Manufacturer Google
Model Nest Thermostat 4
Part Number / MPN G5AJK, GJQ8U
Manufacturer Color Polished Silver
Color Silver
Date Listed (YYYY-MM-DD) 2025-09-03
FCCID A4R-GJQ8U
Warranty (US Only) 1 Months
Warranty Info Renewed Devices will have 30 Day Returns. Additional warranty will be defined on listing if there is any.
Shipment Weight (Lbs) 1.5
NETWORK Carrier Status
SIM Card Not Applicable
PLATFORM Operating System (OS)
MEMORY Card slot
CAMERA Resolution
BATTERY Battery Capacity mAh