Isabelle R. Harada

Top Smart Thermostats 2025. The best smart thermostats allow you to control your atmosphere from a distance, conserve energy, and reduce your energy bill. Smart thermostats go far beyond relying on a simple schedule.

They set heating and cooling schedules and make hvac systems more efficient, usually leading to some extra cash. We’ve tested several smart thermostats from the biggest brands to help you find the best thermostat for your needs.