Quote:
Originally Posted by Ghostvette
The HVAC guys said that the NEST needs 7 wires, my system only had 4.  I don't know if that is correct or not.  |
He's an idiot (or got a commission for selling you that Honeywell - not uncommon). You can install a Nest thermostat with as few as 2 wires in some instances. Both of my Nest thermostats are hooked up with just 4 wires.