Can you hook up to one nest thermostat to , two separate system IE ( AC
unit has ducts , Oil fire furnace is baseboard radiators , To operate
thermostat wires to one nest thermostat ?
Two stat wires 18/2 from heat red to R , white to W on old stat Second
stat wire 18/4 coming from Air handler in attic Yellow to Y , Green to G
, Red to RC , White to W on old stat , There were two thermostats , one
for Heat and one for AC . So how w...
