The FCU WIFI Smart Thermostat for HVAC Central Air Conditioning is a cutting-edge solution for both cooling and heating modes, catering to systems with 4 pipes. It's the first of its kind to receive ENERGY STAR certification, much like the Nest Learning Thermostat. This smart thermostat learns your preferred temperature settings and creates a customized schedule, offering significant energy savings. Independent studies have demonstrated that it can reduce heating bills by 10% to 12% and cooling bills by 15%, potentially paying for itself in under two years. Its intuitive design and efficiency make it an ideal choice for modern temperature control in your home.