Return to your home's electrical panel. Locate the breaker that controls your HVAC system and switch it back to the 'on' position. This will restore power to the Nest thermostat, and it should begin its startup sequence.
Step 9 · Restore Power to HVAC System
Return to your home's electrical panel. Locate the breaker that controls your HVAC system and switch it back to the 'on' position. This will restore power to the Nest thermostat, and it should begin its startup sequence.
