0.1°F (default): Mechanical cooling will disable when the room temperature is 0.1°F above the cool set point and mechanical heating will be disabled when the room temperature is 0.1°F degrees below the heat set point.
0.0 °F: Mechanical cooling will disable when the room temperature is at the cool set point and mechanical heating will be disabled when the room temperature is at the heat set point.
0.2 °F to 0.5 °F: This increases the deviation from set point allowance for when the cooling or heating cycle will be disabled.