7 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 Thermostat is a smart, programmable WiFi thermostat designed to help you save energy while ensuring home comfort. It's ENERGY STAR certified, indicating energy efficiency. Compatibility-wise, it works with most homes without a C wire but may require one for specific systems. Installation is relatively simple, with included mounting screws and a steel plate, though some systems might need additional accessories.

The thermostat learns your schedule through the Google Home app, allowing it to create an energy-efficient heating or cooling plan. Remote access is robust, letting you control the temperature from anywhere using a phone, laptop, or tablet. It also integrates well with smart home systems, particularly Google Assistant and Matter-certified voice assistants, enabling voice control. Additionally, it provides energy reports and suggestions for further savings via the Savings Finder feature. Its HVAC monitoring offers maintenance alerts, adding another layer of convenience.

The design is sleek and modern, with a charcoal finish and an LCD display that offers clear visibility. However, it requires two AA batteries, which some might find inconvenient. The lack of a lock feature might be a drawback for those needing extra security. The screen size is limited to 2 inches, which might be small for some users. In summary, the Google Nest Thermostat is a strong contender for those seeking a smart thermostat with good integration and remote control capabilities, though minor inconveniences like battery requirements and screen size may not appeal to everyone.

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.