The Slimline Platinum thermostat provides control of both temperature and humidity levels. It tracks heating and cooling runtime hours, and recalculates the start time of the morning period depending on environmental factors to reach the programmed setpoint quickly and efficiently. The unit has an auto changeover three-stage heat/two-stage cool program for use with gas/electric, heat pump, electric and hydronic heat systems. 818.812.9930. www.venstar.com.