dead band
n.β Β«At night, the nanostats are set to βdead band,β a term coined by the university that means that the temperature in the room must be held within a broadened range, reducing the amount of intense heating or cooling required.Β» ββUniversity studies energy-saving technology” by Kelley Hascall Daily Nebraskan (Lincoln) Oct. 12, 2005. (source: Double-Tongued Dictionary)