10 Best Phone Controlled Thermostat 2025 in the United States

The Amazon Smart Thermostat offers a convenient way to upgrade from a traditional thermostat, with strong emphasis on energy-saving and smart home integration. In terms of compatibility, it works with most 24V HVAC systems but requires a C-wire, which might be a limitation for some homes. Its connectivity is limited to 2.4 GHz Wi-Fi, potentially a drawback for users with 5GHz networks.

The user interface is simple with basic touch controls, and the Alexa app provides guided installation and on-the-go control, making it user-friendly. Energy-saving features are robust, with EPA's ENERGY STAR certification, automatic temperature adjustments via Alexa, and potential rebate offers. Integration is seamless with Alexa and Ring, enabling voice control and smart home automation.

Installation is straightforward through the Alexa app, though some users may need additional tools like a power drill. This thermostat is ideal for users looking for an easy-to-use, energy-efficient smart home device, particularly those already invested in Amazon's ecosystem.

The ecobee Smart Thermostat Premium is a versatile and advanced thermostat that offers a range of impressive features. Its compatibility with most 24VAC HVAC systems, including furnaces, ACs, heat pumps, boilers, and more, makes it suitable for various home setups. The inclusion of a Power Extender Kit ensures it can be installed even in homes without a C-wire, simplifying the setup process.

With connectivity options including Wi-Fi and Bluetooth, it supports voice control through Siri, Amazon Alexa, and Google Assistant, making it highly convenient for users who prefer hands-free operation. The thermostat's user interface is praised for its large, vibrant display and intuitive design, making it easy to navigate and adjust settings. Additionally, the SmartSensor helps to eliminate hot or cold spots by adjusting the temperature in key rooms, contributing to energy savings of up to 26% per year.

The built-in air quality monitor is a unique feature that alerts users to poor air quality and offers tips for improvement, adding an extra layer of home comfort. On the downside, some users might find the subscription requirement for certain advanced security features to be an extra expense. The benefits, including the ability to integrate seamlessly with smart home systems like Apple HomeKit, Google Assistant, and Amazon Alexa, make the ecobee Smart Thermostat Premium a strong choice for those looking to upgrade their home climate control. Its sleek design and additional functionalities, such as a built-in speaker for music and alerts, further enhance its appeal. For users seeking an energy-efficient, smart home-compatible thermostat with comprehensive features, this model is well worth considering.

The Google Nest Learning Thermostat - 3rd Gen (2015) is a smart thermostat designed to make managing your home's temperature simple and efficient. It is compatible with Google Assistant and Amazon Alexa, allowing for voice control. Connectivity is robust, with support for Wi-Fi, Bluetooth Low Energy, and wireless interconnect, ensuring reliable remote access via the Nest app.

The user interface is intuitive, with Auto-Schedule learning from your behavior to program itself, and Home/Away Assist to adjust the temperature when you're not home. Energy-saving features are highlighted by the Nest Leaf, which guides you to energy-efficient choices, and the ability to review your energy history helps you monitor usage.

It integrates well with smart home systems, enhancing its functionality in homes with other smart devices. Installation is straightforward, but checking compatibility using the online Nest Compatibility Checker is recommended. While it offers advanced features and convenience, the initial cost might be a consideration for some users. It is a compelling choice for those looking to manage their home's temperature efficiently and integrate into a smart home ecosystem.