Smart thermostats are advanced devices that help manage home heating and cooling systems more efficiently. They can be programmed to adjust temperatures based on your schedule, preferences, and even the weather outside. Many models connect to the internet, allowing you to control them remotely using a smartphone app. These thermostats often learn your habits over time, automatically adjusting settings to save energy when you're not home. Some popular features include energy usage reports, alerts for maintenance, and compatibility with smart home systems. Overall, smart thermostats can lead to increased comfort and reduced energy bills.