Temperature differential is the difference between the turn-on and turn-off temperatures on a thermostat, whether heating or cooling. It ranges between one and three degrees on common t-stats. Indeed, many of today’s t-stats let you set this value. They offer this to account for differing home types and locales, types of furnaces. In this piece, … Continue reading Setting Temperature Differential on Honeywell RTH9580WF Thermostat