"Utility has alerted us to an upcoming brown-out in a region impacting 40 stores. Cool everything down a few extra degrees in preparation."
A phone call from the HVAC company and physical thermostat dial (in a locked cabinet to prevent incompetent/malicious employees tampering with it) seems a safer solution.
A phone call from the HVAC company and physical thermostat dial (in a locked cabinet to prevent incompetent/malicious employees tampering with it) seems a safer solution.