Set Temperature Range on Honeywell Thermostat

In this post, we show how to set temperature range Honeywell Thermostat RTH9580WF.  Now why would you wish to change the upper and lower temp limits on a thermostat (t-stat)?  Perhaps you are a landloard wishing to control heating and fuel costs in your tenants’ dwelling. Or, you need to keep your kids from setting … Continue reading Set Temperature Range on Honeywell Thermostat