General Alarm.com Smart Thermostats Information Last updated Save as PDF Data Sheets Installation Guides User Guides Factory reset an Alarm.com Smart Thermostat to its default settingsFind the serial number on an Alarm.com Smart ThermostatOperate the Alarm.com Smart Thermostat How-to Troubleshooting Guides Frequently Asked Questions Can humidity be controlled only when the HVAC unit is running on heat or cool?Can the Alarm.com Smart Thermostat control multiple zones of an HVAC system?Do Alarm.com Smart Thermostats qualify as ENERGY STAR® Connected Thermostats?How do Auxiliary Heat and Emergency Mode work with an Alarm.com Smart Thermostat?Is the Alarm.com Smart Thermostat compatible with dual fuel and hybrid HVAC systems?What are the differences between the ADC-T2000 and the ADC-T3000 Smart Thermostats?What does it mean when the thermostat reads HOT instead of the temperature?What happens when the Smart Thermostat is affected by a power outage?When does the Alarm.com Smart Thermostat act as a Z-Wave repeater?