8 Best Amazon Smart Thermostats 2025 in the United States

The Amazon Smart Thermostat is a modern and energy-efficient device designed to replace traditional thermostats. It's compatible with most 24V HVAC systems but requires a C-wire for operation, which might necessitate additional setup for some users. Installation is simplified with guided steps via the Alexa app, though it may require basic tools like a drill and level.

The thermostat integrates well with Alexa, allowing for voice control and automatic temperature adjustments based on your routines and preferences. However, it does not support 5GHz wifi networks, which could limit connectivity options for some homes. The device uses Honeywell technology, ensuring reliability backed by 130 years of experience.

It also supports temperature sensors through compatible Echo devices, helping to manage hot and cold spots effectively throughout your home. Users can control the thermostat remotely via the Alexa app, and it provides detailed energy reports, contributing to potential savings on energy bills. Its minimalist design includes three touch buttons for easy on-device control. The requirement for a C-wire and compatibility limitations should be considered before purchase. Additionally, while it offers a one-year warranty, some users might prefer longer warranty periods for greater peace of mind.

The Google Nest Learning Thermostat - 3rd Gen (2015) is a smart, programmable thermostat designed to optimize your home's temperature and save energy. One of its standout features is its ability to learn your schedule and preferences, automatically adjusting settings to ensure comfort and efficiency. This device is compatible with 95% of heating and cooling systems, making it highly versatile. Installation is also straightforward, as it typically takes 30 minutes or less with all necessary components included in the box.

Additionally, it offers remote access through your phone, laptop, or tablet, so you can control your home's temperature from anywhere. The Home/Away Assist feature is particularly useful, automatically switching to an Eco Temperature when you leave to avoid heating or cooling an empty home. Users can track their energy usage with the Energy History feature, accessible via phone or the thermostat's display, and receive alerts and reminders for HVAC maintenance.

The design is sleek and modern, with polished metal finishes and a high-resolution display that shows useful information like temperature, weather, or time when you walk into the room. The thermostat integrates seamlessly with various smart home systems, including Google Assistant and Amazon Alexa, providing extensive control options. While it performs well in many areas, the reliance on a steady Wi-Fi connection may be a drawback in homes with unstable internet. This thermostat is an excellent choice for those looking to balance comfort, convenience, and energy savings in their smart home setup.

The Honeywell Home RTH9600WF Smart Color Thermostat is a feature-rich, ENERGY STAR-certified device designed to help you save energy while offering customizable and convenient control over your home's heating and cooling. It is compatible with forced air, hot water, steam, and heat pump systems, but it's not suited for electric baseboard heat and requires a C-wire for proper installation. If your home lacks a C-wire, you might need a power adapter, which could complicate the setup process for some users.

With its intuitive touchscreen display, users can easily customize the screen color and access on-screen comfort information, including indoor and outdoor temperatures and humidity levels. The thermostat also provides daily weather forecasts, enhancing its utility. Its smart features include compatibility with major smart home systems like Amazon Alexa, Google Assistant, and Microsoft Cortana, allowing you to control the thermostat remotely via the mobile app or voice commands.

This remote access, combined with flexible programming options, makes managing your home's climate convenient. Moreover, the thermostat offers energy reports and personalized tips to help you track and reduce your energy usage, potentially saving you money over time. For those interested in further savings, it supports utility demand response programs. It is important to check compatibility with your home system beforehand, especially regarding the C-wire requirement.