Google Nest Learning Thermostat (4th Gen) Review


Google’s Nest Learning Thermostat has long been a favorite in the smart home market. Known for its sleek design and ability to adapt to users’ habits, the Nest has maintained a stronghold in smart home technology since its launch in 2011. With the release of the fourth-generation Nest Learning Thermostat, Google has introduced not just a new look but also enhanced features to elevate the smart home experience.


A New Look for a Familiar Favorite

Nest Learning Thermostats have traditionally sported a circular design with a silver bezel, which became iconic over the years. This design choice was both functional and aesthetically pleasing, fitting well into a variety of home decors. However, the fourth-generation model takes this a step further with a major design overhaul.

Gone are the days of the thick silver bezels. Google has opted for a more refined and modern design, turning what used to be a smart gadget into something resembling a piece of art. The new model still retains the circular shape, but now it offers a sleeker, thinner frame and comes in three finishes that can suit a variety of home aesthetics.

A 3.9-inch screen dominates the front of the thermostat, larger than previous models, providing more clarity and ease of use when interacting with the device. Despite the larger screen, the base of the thermostat is actually smaller, leading to a more subtle footprint on your wall. It's clear Google is moving toward making their products as visually appealing as they are functional, and this iteration of the Nest Learning Thermostat hits the mark.

Setup: Streamlined Yet Still Demanding for Previous Users

Setting up the Nest Learning Thermostat remains a relatively straightforward process, though previous Nest users may find themselves doing a complete reinstall due to changes in the size of the thermostat base. Unlike its predecessor, the fourth-generation base is smaller and features tiny connector buttons for attaching wires. While this allows for a more minimalist design, it can make installation slightly more challenging, particularly for those with larger hands. A precision screwdriver is recommended to help with these smaller connectors.

For first-time users, Google has simplified the process even further. The Google Home app, which replaces the older Nest app for this model, guides you through the installation step-by-step. Instructions for removing an old thermostat, labeling wires, and connecting the new device are clear and easy to follow. On average, the installation takes about 10 to 20 minutes, depending on your experience with smart home devices.

One downside for previous Nest owners is the lack of backward compatibility with older models. The new thermostat cannot simply be swapped into place using the previous model's base, meaning even loyal Nest users will need to go through a complete reinstall. Despite this inconvenience, the installation process remains user-friendly and should not deter anyone from upgrading to the latest model.

Performance: Smarter and More Intuitive

Once installed, the fourth-generation Nest Learning Thermostat shines in terms of performance and ease of use. The larger screen provides more visibility, while the Google Home app offers a seamless experience for controlling and customizing the thermostat’s settings. The device retains the key feature that made it famous—learning your habits and adjusting the temperature based on your schedule—but introduces new features to further enhance functionality.

One standout feature is Smart Schedules, powered by artificial intelligence. Over time, the thermostat learns your preferences and automatically creates schedules for heating and cooling, eliminating the need for manual adjustments. This feature is particularly useful for households with predictable routines, as it optimizes energy use without compromising comfort. Users can also choose to manually approve schedule suggestions if they prefer more control.

Far Sight, another new feature, adds an interactive element to the thermostat. Utilizing Google’s Soli radar technology, the thermostat detects movement and displays helpful information when someone is nearby. You can choose from six different home screens, including clocks and weather updates, to be displayed when you approach the device. The screen brightness adjusts based on proximity, ensuring the display is always easy to read without being obtrusive.

Another highlight is the thermostat’s integration with Google’s broader ecosystem. Unlike previous models, this version operates solely through the Google Home app, which provides an intuitive interface for controlling not just the thermostat, but other Google smart home devices as well. The app’s presence-sensing technology also allows the thermostat to detect when someone is home and adjust the temperature accordingly, helping to conserve energy when the house is empty.

AI-Powered Smart Scheduling

The main appeal of any smart thermostat lies in its ability to take the guesswork out of climate control, and the fourth-generation Nest Learning Thermostat is no exception. Powered by artificial intelligence, the Smart Schedule feature automatically adjusts to your habits over time. Whether you're away from home or following a daily routine, the thermostat learns when to heat or cool your space most efficiently.

One of the best aspects of Smart Scheduling is its ability to automatically create schedules for different times of day. For instance, if you prefer a cooler home in the morning and a warmer home in the evening, the thermostat will learn this pattern and adjust without needing constant input. For users who prefer manual control, there's also the option to have these changes suggested by the app instead of implemented automatically.

This automation can lead to noticeable energy savings over time, especially when paired with the Eco Mode feature. Eco Mode allows the thermostat to keep the home within a specified temperature range while you're away, ensuring that your HVAC system isn’t working harder than necessary when nobody is home.

New Additions: System Health Monitoring and Smart Ventilation

Google has also introduced two new features that cater to the health and efficiency of your home environment: System Health Monitor and Smart Ventilation. These additions bring even more value to an already feature-rich product, making the thermostat a proactive part of your home maintenance routine.

The System Health Monitor keeps an eye on the overall performance of your heating and cooling system. By analyzing the time it takes for your system to heat or cool different rooms, it can detect inefficiencies or potential issues. If something seems off, you’ll receive an alert in the Google Home app. This early detection can help prevent costly repairs and keep your home comfortable without interruptions.

Smart Ventilation takes things a step further by monitoring outdoor air quality and humidity levels. If the outside air is conducive to ventilation, the system will activate to bring fresh air into your home. This feature is particularly beneficial in climates where outdoor air quality fluctuates due to factors like pollution or high pollen counts. Having a system that considers these environmental factors can improve indoor air quality and help you avoid running your HVAC system when it's unnecessary.

Smart Temperature Sensors for Whole-Home Comfort

Along with the thermostat itself, Google has included a Nest Temperature Sensor, a welcome addition to this generation of the Nest Learning Thermostat. This small sensor can be placed anywhere in your home and allows the thermostat to prioritize the temperature of that specific room. For instance, if you want to ensure your bedroom stays a certain temperature, you can place the sensor in that room and let the thermostat adjust accordingly.

This feature is especially useful for homes with uneven heating or cooling. By placing sensors in different areas, you can ensure that the most important spaces stay comfortable. The system can support up to six sensors, which can be purchased separately if you want to monitor multiple rooms. Each sensor connects wirelessly to the thermostat and integrates seamlessly with the Google Home app.

Energy Savings and Environmental Impact

Energy efficiency remains a key selling point for the Nest Learning Thermostat. By learning your daily habits and adjusting settings accordingly, the thermostat minimizes unnecessary energy usage, leading to lower utility bills. In fact, studies have shown that smart thermostats like the Nest can save homeowners between 10-12% on heating costs and up to 15% on cooling costs, making it a worthwhile investment in the long run.

Google’s focus on sustainability is evident in the design and features of the new Nest model. The thermostat is certified Matter-compatible, meaning it meets rigorous energy-efficiency standards and integrates with other smart home devices that prioritize sustainability. By connecting to Apple’s HomeKit and other ecosystems, users can further optimize their energy use across multiple platforms.

Is It Worth the Investment?

At $280, the fourth-generation Nest Learning Thermostat sits on the higher end of the smart thermostat market. Competitors like the Ecobee Smart Thermostat and the Honeywell T9 offer similar functionality at lower price points. However, the Nest’s combination of sleek design, AI-powered scheduling, and smart home integration make it a top contender.

For homeowners looking for a thermostat that not only performs well but also adds to the aesthetics of their living space, the Nest Learning Thermostat is hard to beat. The high-quality materials and finishes make it feel like a luxury item, while the new features ensure it remains ahead of the competition in terms of functionality.

That being said, if your thermostat is tucked away in an inconspicuous part of the house, you may be able to save money by opting for one of Google’s more affordable models or a competitor’s device. But for those who want a smart thermostat that delivers both style and substance, the fourth-generation Nest Learning Thermostat is a worthy investment.

Final Thoughts: A Balance of Beauty and Brains

Google’s latest Nest Learning Thermostat strikes the perfect balance between form and function. With a design that elevates it beyond the realm of traditional smart home gadgets and intelligent features that adapt to your lifestyle, this device stands out as a leader in the market. From the AI-powered Smart Scheduling to the convenience of smart sensors, Google has successfully created a product that not only makes your home more comfortable but also more efficient.

Whether you're upgrading from an older model or diving into the world of smart thermostats for the first time, the fourth-generation Nest Learning Thermostat offers the best of both worlds: cutting-edge technology wrapped in a design that complements any home.

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