10 Best Home Thermostats 2025 in the United States

The Google Nest Learning Thermostat (4th Gen) is an impressive choice for those looking to enhance their home comfort while saving on energy bills. One of its standout features is its compatibility with a variety of heating and cooling systems, making it suitable for many households without the need for a C wire for installation. The included Nest Temperature Sensor adds value by allowing you to manage temperature variations in different rooms effectively.

This thermostat excels in programmability. It learns your temperature preferences and suggests adjustments to save energy, achieving an estimated 12% savings on heating bills and 15% on cooling bills. The Smart Schedule feature is particularly helpful for those who want a tailored heating and cooling experience without daily adjustments.

In terms of smart features, it integrates seamlessly with Alexa and Google Home, allowing for voice control, which is convenient for users who prefer hands-free operation. The user interface is user-friendly, with a large, borderless display that adjusts brightness based on the room's lighting, ensuring visibility from different angles.

There are a few drawbacks to consider. Although installation is generally straightforward, some users may still find it challenging if they're not comfortable with basic wiring. Additionally, while the thermostat is praised for energy savings, the initial investment can be higher than traditional thermostats, and some users might not experience the same level of savings depending on their specific usage patterns. The Google Nest Learning Thermostat's sleek design and high-quality materials make it an attractive addition to any home. It's ideal for tech-savvy individuals or families who prioritize comfort and efficiency. However, users who prefer simpler, non-smart devices or are on a tight budget might want to explore other options.

The Google Nest Thermostat is a well-rounded smart thermostat designed for home use. One of its significant strengths is its energy efficiency, as it is ENERGY STAR certified and includes features like automatic temperature adjustments when you're not home and the Savings Finder to help lower energy costs. The thermostat is compatible with most systems, although some systems require a C wire or other power accessory, which could complicate installation for some users. On the plus side, Google provides an online Nest Compatibility Checker to help you verify if it will work with your system before purchasing.

Another standout feature is its smart capabilities, allowing you to control it remotely using the Google Home app on your smartphone, laptop, or tablet. It also integrates well with Google Assistant and Amazon Alexa, enabling voice control. The user interface is intuitive, making it easy to program and adjust settings. Additionally, the Nest Thermostat offers HVAC monitoring to alert you to any issues with your heating and cooling systems, enhancing its reliability. However, it lacks a lock feature, which might be a drawback for users needing to restrict access.

The thermostat's compact design is modern and unobtrusive, fitting well in most home decors. The Google Nest Thermostat is an excellent choice for those looking to save energy and integrate smart home features, though installation may require extra steps for specific systems.

The Honeywell Home RTH9600WF is a smart thermostat designed for homeowners seeking to save energy and enjoy modern convenience. It supports a variety of heating and cooling systems including forced air, hot water, steam, and heat pumps with electric backup, but it is not compatible with electric baseboard heating, which is important to confirm before buying. The thermostat requires a C-wire for power, so if your current setup lacks this, you may need an adapter or professional help.

This thermostat offers programmable flexible scheduling to help reduce energy use, and features smart capabilities like Wi-Fi connectivity and compatibility with popular voice assistants such as Amazon Alexa, Google Assistant, and Microsoft Cortana. This allows you to control your home's temperature remotely via an app, making it convenient to adjust settings on the go. The colorful touchscreen display is customizable and easy to read, showing indoor and outdoor temperature, humidity, and the daily weather forecast right on the home screen, enhancing usability and visual appeal.

Energy efficiency is a strong aspect of this device, as it is ENERGY STAR certified. It tracks heating and cooling patterns and provides personalized tips for saving energy. Additionally, it supports utility demand response programs, which may offer financial rewards for adjusting your temperature during peak energy times. While the need for a C-wire and incompatibility with certain heating systems can limit its use in some homes, and installation might be challenging for those unfamiliar with wiring, this Honeywell thermostat is an excellent option for users with compatible HVAC systems who want a smart, energy-efficient, and visually customizable thermostat controlled through multiple smart home platforms.