1. A thermostat system comprising: a configuring device; and a plurality of thermostats for air management systems, respectively; and a thermostat of the plurality of thermostats can provide modulated control of an air management system and discrete control of the same air management system or another management system; and wherein: the configuring device may upload, store, modify and/or download one or more configurations of the plurality of thermostats; and each configuration may be modified by changing: parameter settings; schedules of parameter settings; and/or modulated controls for heating stages and cooling stages.