What is the operating temperature range for the thermostat?

The operating ambient temperature range is 37°F to 102°F (2.8°C to 38.9°C). For heating, the setpoint range is 40°F to 90°F (4.5°C to 32°C), and for cooling, it is 50°F to 99°F (10.0°C to 37.0°C).