Smart Thermostats are typically self-learning and Wi-Fi-enabled to optimizes heating and cooling of homes and businesses to conserve energy. They use machine learning algorithms based on reference data gathered during the first few weeks. They are then able to learn people's schedules, which temperatures they like, and can adjust the temperatures based on whether or not people are in the room.
Facts about smart thermostats.
"What new technology does is create new opportunities to do a job that customers want done."