put a building to sleep
v. phr.β Β«Most of the savings come from smarter use of the districtβs heating, ventilation and air conditioning systems controlled by a new $2 million proprietary system called Automated Logic, said Larry Wilson, the districtβs director of operations. The system lets district officials program automatic temperature settings for schools, room by room, during occupied and unoccupied hours. “A lot of folks refer to it as “putting the building to sleep.” Weβre not turning the air conditioning offβwe raise the temperature setting,” Wilson said.Β» ββControl system to save schools $1 million on energy bill” by Jeremy Hsieh Beaufort Gazette (South Carolina) May 21, 2008. (source: Double-Tongued Dictionary)