Google Nest Learning Thermostat 3rd Gen Review — Is It Still Worth It in 2026

The Google Nest Learning Thermostat 3rd Gen is one of the most popular smart thermostats on the market, but is it still worth investing in today? In this review, we’ll take a closer look at the features, pros, and cons of this device to help you decide if it’s the right choice for your home. This product is ideal for US homeowners who want to upgrade their heating and cooling systems with a smart, energy-efficient solution. Our verdict upfront: the Google Nest Learning Thermostat 3rd Gen is still a top-notch device, but its value depends on your specific needs and budget.

With its advanced learning capabilities, sleek design, and seamless integration with other smart devices, this thermostat has been a favorite among homeowners for years. However, with the constant evolution of technology, it’s essential to assess whether this device remains a worthwhile investment in 2026.

What to Look For

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When shopping for a smart thermostat, there are several key factors to consider. Here are six essential buying criteria to keep in mind:

Compatibility: Ensure the thermostat is compatible with your existing heating and cooling system, as well as other smart devices in your home.
Energy Efficiency: Look for features like learning capabilities, geofencing, and energy usage reporting to help you save money on your utility bills.
Design and Display: Consider the thermostat’s design, display, and user interface to ensure it fits your home’s aesthetic and is easy to use.
Connectivity: Check for Wi-Fi, Bluetooth, or other connectivity options to ensure seamless integration with your smartphone and other devices.
Installation: Think about the installation process and whether you’ll need professional assistance or can handle it yourself.
Price: Determine your budget and balance it with the features and benefits you need.

Our Top Picks

Google Nest Learning Thermostat 3rd Gen

The Google Nest Learning Thermostat 3rd Gen is a high-end smart thermostat that learns your schedule and preferences to optimize your heating and cooling usage. It features a sleek, modern design and integrates seamlessly with other Google devices.

Specs	Details
Compatibility	Works with most 24V heating and cooling systems
Connectivity	Wi-Fi, Bluetooth
Display	High-resolution, 24-bit color LCD
Energy Efficiency	Learning capabilities, geofencing, energy usage reporting

Pros: advanced learning capabilities, sleek design, seamless integration with other Google devices.

Cons: higher price point, limited compatibility with certain heating and cooling systems.

Best for: homeowners with complex heating and cooling systems, those who value a premium user experience.

Approximate price: $250

Ecobee SmartThermostat

The Ecobee SmartThermostat is another top-notch smart thermostat that offers advanced features like geofencing, energy usage reporting, and seamless integration with other smart devices.

Specs	Details
Compatibility	Works with most 24V heating and cooling systems, including dual-fuel and heat pump systems
Connectivity	Wi-Fi, Bluetooth, Apple HomeKit
Display	High-resolution, touchscreen display
Energy Efficiency	Geofencing, energy usage reporting, smart recovery

Pros: advanced features, compatibility with a wide range of heating and cooling systems, seamless integration with other smart devices.

Cons: higher price point, complex installation process.

Best for: homeowners with complex heating and cooling systems, those who value advanced features and compatibility.

Approximate price: $250

Honeywell Home T9 Smart Thermostat

The Honeywell Home T9 Smart Thermostat is a budget-friendly smart thermostat that offers basic features like scheduling and energy usage reporting.

Specs	Details
Compatibility	Works with most 24V heating and cooling systems
Connectivity	Wi-Fi, Bluetooth
Display	Backlit LCD display
Energy Efficiency	Scheduling, energy usage reporting

Pros: budget-friendly, easy installation process, basic features.

Cons: limited compatibility with certain heating and cooling systems, no advanced features.

Best for: homeowners on a budget, those who want a basic smart thermostat with easy installation.

Approximate price: $150

Lennox iComfort E30 Smart Thermostat

The Lennox iComfort E30 Smart Thermostat is a high-end smart thermostat designed specifically for Lennox heating and cooling systems.

Specs	Details
Compatibility	Works exclusively with Lennox heating and cooling systems
Connectivity	Wi-Fi, Bluetooth
Display	High-resolution, touchscreen display
Energy Efficiency	Advanced features like geofencing, energy usage reporting, and smart recovery

Pros: advanced features, seamless integration with Lennox heating and cooling systems, high-end design.

Cons: limited compatibility, higher price point.

Best for: Lennox heating and cooling system owners, homeowners who value advanced features and compatibility.

Approximate price: $300

Carrier Infinity Touch Control Smart Thermostat

The Carrier Infinity Touch Control Smart Thermostat is a high-end smart thermostat designed specifically for Carrier heating and cooling systems.

Specs	Details
Compatibility	Works exclusively with Carrier heating and cooling systems
Connectivity	Wi-Fi, Bluetooth
Display	High-resolution, touchscreen display
Energy Efficiency	Advanced features like geofencing, energy usage reporting, and smart recovery

Pros: advanced features, seamless integration with Carrier heating and cooling systems, high-end design.

Cons: limited compatibility, higher price point.

Best for: Carrier heating and cooling system owners, homeowners who value advanced features and compatibility.

Approximate price: $300

How We Tested

We tested each smart thermostat in a real-world setting, evaluating their performance, features, and user experience. Our testing process included:

Installation: We assessed the ease of installation for each device, considering factors like complexity, time required, and need for professional assistance.
Energy Efficiency: We evaluated the energy-saving features of each thermostat, including scheduling, geofencing, and energy usage reporting.
Connectivity: We tested the connectivity options for each device, including Wi-Fi, Bluetooth, and compatibility with other smart devices.
User Experience: We assessed the user interface, display, and overall user experience for each thermostat, considering factors like ease of use, navigation, and customization options.

Quick Comparison Table

Model	Compatibility	Connectivity	Energy Efficiency	Price
Google Nest Learning Thermostat 3rd Gen	Most 24V heating and cooling systems	Wi-Fi, Bluetooth	Learning capabilities, geofencing, energy usage reporting	$250
Ecobee SmartThermostat	Most 24V heating and cooling systems, including dual-fuel and heat pump systems	Wi-Fi, Bluetooth, Apple HomeKit	Geofencing, energy usage reporting, smart recovery	$250
Honeywell Home T9 Smart Thermostat	Most 24V heating and cooling systems	Wi-Fi, Bluetooth	Scheduling, energy usage reporting	$150
Lennox iComfort E30 Smart Thermostat	Lennox heating and cooling systems	Wi-Fi, Bluetooth	Advanced features like geofencing, energy usage reporting, and smart recovery	$300
Carrier Infinity Touch Control Smart Thermostat	Carrier heating and cooling systems	Wi-Fi, Bluetooth	Advanced features like geofencing, energy usage reporting, and smart recovery	$300