Emmanuel digital thermostat series is a new generation of SEDNA products which, while maintaining beauty and harmony, also has economic and user advantages. Emanuel benefits from a very high quality of construction and offers a decent performance to the customer. With a beautiful screen and easy user interface, this product does not have the complexities of a modern thermostat, but it has the capabilities of an innovative product and it offers a wide range of features for the user. The design of the product with a small number of buttons has been done in such a way that the user will be able to easily manage the device and use various features. According to the user’s desired temperature, the Emmanuel thermostat changes the ambient temperature toward the desired temperature based on its control algorithms with the least loss and optimizes the energy consumption while maintaining the customer’s satisfaction and comfort.