Nest thermostat 2020, i have a dual fuel system with a heat pump, gas primary electric secondary. Why does it say electric is my primary and why can't i change it? What
I just installed a new honeywell rth8580wf and just wondering if something is wrong with the setup or wether there was
Dual Fuel Setup T9/T10 : r/thermostats
iO HVAC Controls iO-DFK Dual Fuel Kit with Outdoor Thermostat